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Abstract
The interest in nitride coatings based on high-entropy alloys (HEAs) has increased rapidly in the last decade. According to a number of papers, such high-entropy nitride (HEN) coatings have a single-phase structure and properties that significantly exceed those of simpler nitride systems. These properties include high hardness, wear resistance, oxidation resistance and thermal stability. It is believed that these distinctive properties are due to the high entropy of mixing, which increases with an increase in the number of elements in the composition. However, comparison with various binary and ternary systems shows that better properties are not typical of each HEA-based coating, and the effect of the number of elements competes with other factors that can make even more pronounced contributions to the structure and properties of the coating. Because of fragmentation of data on the structure and properties of high-entropy coatings, a unified concept of alloying is needed. This review compares the methods for obtaining HEN coatings, describes their structural features and analyzes the main properties, such as hardness, wear resistance and oxidation resistance, in order to establish an understanding of the influence of the number of elements and their role in the composition of coatings.
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Lu W, Hao K, Liu S, Lv J, Zhou M, Gao P. Pressure-stabilized high-energy-density material YN 10. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2022; 34:135403. [PMID: 34991087 DOI: 10.1088/1361-648x/ac48c0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Accepted: 01/06/2022] [Indexed: 06/14/2023]
Abstract
Polynitrogen compounds have been intensively studied for potential applications as high energy density materials, especially in energy and military fields. Here, using the swarm intelligence algorithm in combination with first-principles calculations, we systematically explored the variable stoichiometries of yttrium-nitrogen compounds on the nitrogen-rich regime at high pressure, where a new stable phase of YN10adoptingI4/msymmetry was discovered at the pressure of 35 GPa and showed metallic character from the analysis of electronic properties. In YN10, all the nitrogen atoms weresp2-hybridized in the form of N5ring. Furthermore, the gravimetric and volumetric energy densities were estimated to be 3.05 kJ g-1and 9.27 kJ cm-1respectively. Particularly, the calculated detonation velocity and pressure of YN10(12.0 km s-1, 82.7 GPa) was higher than that of TNT (6.9 km s-1, 19.0 GPa) and HMX (9.1 km s-1, 39.3 GPa), making it a potential candidate as a high-energy-density material.
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Affiliation(s)
- Wencheng Lu
- State Key Laboratory of Superhard Materials & Innovation Center for Computational Physics Methods and Software, College of Physics, Jilin University, Changchun 130012, People's Republic of China
| | - Kun Hao
- State Key Laboratory of Superhard Materials & Innovation Center for Computational Physics Methods and Software, College of Physics, Jilin University, Changchun 130012, People's Republic of China
| | - Siyu Liu
- State Key Laboratory of Superhard Materials & Innovation Center for Computational Physics Methods and Software, College of Physics, Jilin University, Changchun 130012, People's Republic of China
| | - Jian Lv
- State Key Laboratory of Superhard Materials & Innovation Center for Computational Physics Methods and Software, College of Physics, Jilin University, Changchun 130012, People's Republic of China
| | - Mi Zhou
- State Key Laboratory of Superhard Materials & Innovation Center for Computational Physics Methods and Software, College of Physics, Jilin University, Changchun 130012, People's Republic of China
| | - Pengyue Gao
- State Key Laboratory of Superhard Materials & Innovation Center for Computational Physics Methods and Software, College of Physics, Jilin University, Changchun 130012, People's Republic of China
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3
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Wen Y, Zuzhen S, Junru J, Hongyang Z, Xinmei H, Zhijun H, Jian Z, Qiliang C. High-Pressure Studies of Trimethylsilane Azide by Raman Scattering and Synchrotron X-ray Diffraction. J Phys Chem B 2021; 125:12042-12046. [PMID: 34704437 DOI: 10.1021/acs.jpcb.1c08492] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We have reported the high-pressure behavior of energetic material trimethylsilane azide ((CH3)3SiN3, TMSiN3) by in situ Raman scattering and synchrotron angle-dispersive X-ray diffraction (ADXRD) measurements in diamond anvil cells with a pressure up to ∼40 GPa at ambient temperature. The analyses of Raman spectra showed two liquid-liquid phase transitions at 0.13 and 7.9 GPa. The XRD results verified that TMSiN3 remained in a liquid state throughout the phase transitions. In the pressure range of 0.13-2.6 GPa, the distortion of the Si-C3 bond and the shortening of the bond between azide group and silicon atom lead to the first phase transition. The second transition is ascribed to the rotation of methyl group at 7.9 GPa. With further compression, the azide groups become increasingly asymmetric, and completely amorphous at 33.8 GPa. This paper is useful to understand the behavior of azide group and the molecular structural evolution of organic azide under high pressure. The unique high-pressure behavior of the azide group in TMSiN3 may be useful for improving in the formation of the polynitrogen compound with azides.
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Affiliation(s)
- Yang Wen
- School of Science, University of Science and Technology, Liaoning, Anshan 114051, China
| | - Shang Zuzhen
- School of Materials and Metallurgy, University of Science and Technology, Liaoning, Anshan 114051, China
| | - Jiang Junru
- School of Science, University of Science and Technology, Liaoning, Anshan 114051, China
| | - Zhu Hongyang
- School of Physics and Electronic Engineering, Linyi University, Linyi 276005, China
| | - Hou Xinmei
- School of Materials and Metallurgy, University of Science and Technology, Liaoning, Anshan 114051, China
| | - He Zhijun
- School of Materials and Metallurgy, University of Science and Technology, Liaoning, Anshan 114051, China
| | - Zhang Jian
- State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, China
| | - Cui Qiliang
- State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, China
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4
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Zhou Y, Jiang X, Zheng Y, Xie SY, Feng Y, Chen K. Predicted stable high-pressure phases of copper-nitrogen compounds. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2021; 34:025401. [PMID: 34638113 DOI: 10.1088/1361-648x/ac2f10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 10/12/2021] [Indexed: 06/13/2023]
Abstract
The nitrogen-rich compounds are promising candidates for high-energy-density applications, owing to the large difference in the bonding energy between triple and single/double nitrogen bonds. The exploration of stable copper-nitrogen (Cu-N) compounds with high-energy-density has been challenging for a long time. Recently, through a combination of high temperatures and pressures, a new copper diazenide compound (P63/mmc-CuN2) has been synthesized (Binnset al2019J. Phys. Chem. Lett.101109-1114). But the pressure-composition phase diagram of Cu-N compounds at different temperatures is still highly unclear. Here, by combining first-principles calculations with crystal structure prediction method, the Cu-N compounds with different stoichiometric ratios were searched within the pressure range of 0-150 GPa. Four Cu-N compounds are predicted to be thermodynamically stable at high pressures,Pnnm-CuN2, two CuN3compounds with theP-1 space group (named as I-CuN3and II-CuN3) andP21/m-CuN5containing cyclo-N5-. Finite temperature effects (vibrational energies) play a key role in stabilizing experimentally synthesizedP63/mmc-CuN2at ∼55 GPa, compared to our predictedPnnm-CuN2. These new Cu-N compounds show great promise for potential applications as high-energy-density materials with the energy densities of 1.57-2.74 kJ g-1.
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Affiliation(s)
- Yuting Zhou
- Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics & Devices, School of Physics and Electronics, Hunan University, Changsha 410082, People's Republic of China
| | - Xingxing Jiang
- Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics & Devices, School of Physics and Electronics, Hunan University, Changsha 410082, People's Republic of China
| | - Yueshao Zheng
- Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics & Devices, School of Physics and Electronics, Hunan University, Changsha 410082, People's Republic of China
| | - Sheng-Yi Xie
- Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics & Devices, School of Physics and Electronics, Hunan University, Changsha 410082, People's Republic of China
| | - Yexin Feng
- Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics & Devices, School of Physics and Electronics, Hunan University, Changsha 410082, People's Republic of China
| | - Keqiu Chen
- Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics & Devices, School of Physics and Electronics, Hunan University, Changsha 410082, People's Republic of China
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5
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Li L, Zhao X, Bao K, Duan D, Cui T. Pressure-Induced Transition from Spin to Superconducting States in Novel MnN 2. ACS OMEGA 2021; 6:21830-21836. [PMID: 34471785 PMCID: PMC8388077 DOI: 10.1021/acsomega.1c03583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Accepted: 08/09/2021] [Indexed: 06/13/2023]
Abstract
The connection between magnetism and superconductivity has long been discussed since the discovery of Fe-based superconductors. Here, we report the discovery of a pressure-induced transition from a spin to a superconducting state in novel MnN2 based on ab initio calculations. The superconducting state can be obtained in two ways: the first is the pressure-induced transition from an AFM-P21/m to an NM-I4/mmm phase at 30 GPa, while the other is the pressure-induced transition from an FM-I4/mmm phase to magnetic vanishing at 14 GPa, which leads to a structural transition with the distortion of octahedrons to tetragonal pyramids. NM-I4/mmm-MnN2 is superconductive with T c ≈ 17.6 K at 0 GPa. In the second way, electronic structure calculations indicate that the system transforms from a high-spin state to a low-spin state due to increasing crystal-field splitting, causing disappearance of magnetism; more electron occupancy around the Fermi level drives the emergence of superconductivity. Remarkably, I4/mmm-MnN2 can achieve mutual spin-to-superconducting state transformation by pressure. Moreover, the AFM-P21/m-MnN2 phase is extremely incompressible with the hardness above 20 GPa. Our results provide a reasonable and systematic interpretation for the connection between magnetism and superconductivity and give clues for achieving spin-to-superconducting switching materials with certain crystal features.
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Affiliation(s)
- Li Li
- State
Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun 130012, China
| | - Xingbin Zhao
- State
Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun 130012, China
| | - Kuo Bao
- State
Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun 130012, China
| | - Defang Duan
- State
Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun 130012, China
| | - Tian Cui
- State
Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun 130012, China
- Institute
of High Pressure Physics, School of Physical Science and Technology, Ningbo University, Ningbo 315211, China
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6
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Bykov M, Bykova E, Ponomareva AV, Tasnádi F, Chariton S, Prakapenka VB, Glazyrin K, Smith JS, Mahmood MF, Abrikosov IA, Goncharov AF. Realization of an Ideal Cairo Tessellation in Nickel Diazenide NiN 2: High-Pressure Route to Pentagonal 2D Materials. ACS NANO 2021; 15:13539-13546. [PMID: 34355559 DOI: 10.1021/acsnano.1c04325] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Most of the studied two-dimensional (2D) materials are based on highly symmetric hexagonal structural motifs. In contrast, lower-symmetry structures may have exciting anisotropic properties leading to various applications in nanoelectronics. In this work we report the synthesis of nickel diazenide NiN2 which possesses atomic-thick layers comprised of Ni2N3 pentagons forming Cairo-type tessellation. The layers of NiN2 are weakly bonded with the calculated exfoliation energy of 0.72 J/m2, which is just slightly larger than that of graphene. The compound crystallizes in the space group of the ideal Cairo tiling (P4/mbm) and possesses significant anisotropy of elastic properties. The single-layer NiN2 is a direct-band-gap semiconductor, while the bulk material is metallic. This indicates the promise of NiN2 to be a precursor of a pentagonal 2D material with a tunable direct band gap.
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Affiliation(s)
- Maxim Bykov
- College of Arts and Science, Howard University, Washington, D.C. 20059, United States
- The Earth and Planets Laboratory, Carnegie Institution for Science, Washington, D.C. 20015, United States
| | - Elena Bykova
- College of Arts and Science, Howard University, Washington, D.C. 20059, United States
| | - Alena V Ponomareva
- Materials Modeling and Development Laboratory, National University of Science and Technology "MISIS", 119049 Moscow, Russia
| | - Ferenc Tasnádi
- Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-58183 Linköping, Sweden
| | - Stella Chariton
- Center for Advanced Radiation Sources, University of Chicago, Chicago, Illinois 60637, United States
| | - Vitali B Prakapenka
- Center for Advanced Radiation Sources, University of Chicago, Chicago, Illinois 60637, United States
| | - Konstantin Glazyrin
- Photon Sciences, Deutsches Electronen Synchrotron (DESY), D-22607 Hamburg, Germany
| | - Jesse S Smith
- HPCAT, X-ray Science Division, Argonne National Laboratory, Argonne, Illinois 60439, United States
| | - Mohammad F Mahmood
- College of Arts and Science, Howard University, Washington, D.C. 20059, United States
| | - Igor A Abrikosov
- Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-58183 Linköping, Sweden
| | - Alexander F Goncharov
- The Earth and Planets Laboratory, Carnegie Institution for Science, Washington, D.C. 20015, United States
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7
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Du X, Yao Y, Wang J, Yang Q, Yang G. IrN 4 and IrN 7 as potential high-energy-density materials. J Chem Phys 2021; 154:054706. [PMID: 33557531 DOI: 10.1063/5.0036832] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Transition metal nitrides have attracted great interest due to their unique crystal structures and applications. Here, we predict two N-rich iridium nitrides (IrN4 and IrN7) under moderate pressure through first-principles swarm-intelligence structural searches. The two new compounds are composed of stable IrN6 octahedrons and interlinked with high energy polynitrogens (planar N4 or cyclo-N5). Balanced structural robustness and energy content result in IrN4 and IrN7 being dynamically stable under ambient conditions and potentially as high energy density materials. The calculated energy densities for IrN4 and IrN7 are 1.3 kJ/g and 1.4 kJ/g, respectively, comparable to other transition metal nitrides. In addition, IrN4 is predicted to have good tensile (40.2 GPa) and shear strengths (33.2 GPa), as well as adequate hardness (20 GPa). Moderate pressure for synthesis and ambient pressure recoverability encourage experimental realization of these two compounds in near future.
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Affiliation(s)
- Xin Du
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao 066004, China
| | - Yansun Yao
- Department of Physics and Engineering Physics, University of Saskatchewan, Saskatoon, Saskatchewan S7N 5E2, Canada
| | - Jing Wang
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao 066004, China
| | - Qiuping Yang
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao 066004, China
| | - Guochun Yang
- State Key Laboratory of Metastable Materials Science & Technology and Key Laboratory for Microstructural Material Physics of Hebei Province, School of Science, Yanshan University, Qinhuangdao 066004, China
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8
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Preparation of iron(IV) nitridoferrate Ca 4FeN 4 through azide-mediated oxidation under high-pressure conditions. Nat Commun 2021; 12:571. [PMID: 33495442 PMCID: PMC7835361 DOI: 10.1038/s41467-020-20881-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 12/28/2020] [Indexed: 11/09/2022] Open
Abstract
Transition metal nitrides are an important class of materials with applications as abrasives, semiconductors, superconductors, Li-ion conductors, and thermoelectrics. However, high oxidation states are difficult to attain as the oxidative potential of dinitrogen is limited by its high thermodynamic stability and chemical inertness. Here we present a versatile synthesis route using azide-mediated oxidation under pressure that is used to prepare the highly oxidised ternary nitride Ca4FeN4 containing Fe4+ ions. This nitridometallate features trigonal-planar [FeN3]5− anions with low-spin Fe4+ and antiferromagnetic ordering below a Neel temperature of 25 K, which are characterised by neutron diffraction, 57Fe-Mössbauer and magnetisation measurements. Azide-mediated high-pressure synthesis opens a way to the discovery of highly oxidised nitrides. High-valent metal nitrides are difficult to stabilise due to the high thermodynamic stability and chemical inertness of N2. Here, the authors employ a large volume press to prepare an iron(IV) nitridoferrate Ca4FeIVN4 from Fe2N and Ca3N2 via azide-mediated oxidation under high pressure conditions.
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9
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Bykov M, Tasca KR, Batyrev IG, Smith D, Glazyrin K, Chariton S, Mahmood M, Goncharov AF. Dinitrogen as a Universal Electron Acceptor in Solid-State Chemistry: An Example of Uncommon Metallic Compounds Na3(N2)4 and NaN2. Inorg Chem 2020; 59:14819-14826. [DOI: 10.1021/acs.inorgchem.0c01863] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Maxim Bykov
- Department of Mathematics, Howard University, Washington, DC 20059, United States
- The Earth and Planets Laboratory, Carnegie Institution for Science, Washington, DC 20015, United States
| | - Kelin R. Tasca
- Department of Mathematics, Howard University, Washington, DC 20059, United States
- The Earth and Planets Laboratory, Carnegie Institution for Science, Washington, DC 20015, United States
| | - Iskander G. Batyrev
- U.S. Army Research Laboratory, RDRL-WML-B, Aberdeen Proving Ground, Maryland 21005, United States
| | - Dean Smith
- HPCAT, X-ray Science Division, Argonne National Laboratory, Argonne, Illinois 60439, United States
| | | | - Stella Chariton
- Center for Advanced Radiation Sources, University of Chicago, Lemont, Illinois 60437, United States
| | - Mohammad Mahmood
- Department of Mathematics, Howard University, Washington, DC 20059, United States
| | - Alexander F. Goncharov
- The Earth and Planets Laboratory, Carnegie Institution for Science, Washington, DC 20015, United States
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10
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Ma C, Lin J, Yang G. Prediction of new thermodynamically stable ZnN 2O 3 at high pressure. Phys Chem Chem Phys 2020; 22:10941-10948. [PMID: 32374306 DOI: 10.1039/d0cp00813c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Pressure has become a useful parameter to prepare novel functional materials. Considering the excellent performance of ZnO and Zn3N2 and the formation of strong Zn-O, Zn-N, and N-O bonds in the known compounds, we explored potential Zn-N-O ternary compounds with interesting properties. With the aid of first-principles swarm-intelligence search calculations, we identified a hitherto unknown ZnN2O3 ternary compound with a symmetry of P21. Its remarkable feature is that N pairs interconnect the distorted Zn-centered decahedrons, in which the Zn atom forms bonds with one N and six O atoms. The compression of ZnO + NO2 + N2 might be an easy way to synthesize ZnN2O3. Electronic property calculations disclose that ZnN2O3 is a wide band gap semiconductor with a gap value of 3.48 eV, which is larger than those of ZnO and Zn3N2. Moreover, the high-pressure phase diagram of Zn-N binary compounds was explored with a wide range of chemical compositions. Two metallic N-rich zinc nitrides (e.g., ZnN2 and ZnN4) are proposed, containing intriguing N2 dimers and zigzag N chains. ZnN2 exhibits superconducting properties, and becomes the first example of superconductor in zinc nitrides. Our current results unravel the unusual stoichiometry of Zn-N-O compounds and provide further insight into the diverse electronic properties of zinc nitrides under high pressure.
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Affiliation(s)
- Chunhong Ma
- Department of Chemistry, Jilin Normal University, Jilin 136000, China
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11
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Bykov M, Chariton S, Bykova E, Khandarkhaeva S, Fedotenko T, Ponomareva AV, Tidholm J, Tasnádi F, Abrikosov IA, Sedmak P, Prakapenka V, Hanfland M, Liermann H, Mahmood M, Goncharov AF, Dubrovinskaia N, Dubrovinsky L. High‐Pressure Synthesis of Metal–Inorganic Frameworks Hf
4
N
20
⋅N
2
, WN
8
⋅N
2
, and Os
5
N
28
⋅3 N
2
with Polymeric Nitrogen Linkers. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202002487] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Maxim Bykov
- Department of Mathematics Howard University 2400 Sixth Street NW Washington DC 20059 USA
- Bayerisches Geoinstitut University of Bayreuth Universitätstrasse 30 95440 Bayreuth Germany
- The Earth and Planets Laboratory Carnegie Institution for Science 5241 Broad Branch Road, NW Washington DC 20015 USA
| | - Stella Chariton
- Center for Advanced Radiation Sources University of Chicago 9700 South Cass Avenue Lemont IL 60437 USA
| | - Elena Bykova
- The Earth and Planets Laboratory Carnegie Institution for Science 5241 Broad Branch Road, NW Washington DC 20015 USA
| | - Saiana Khandarkhaeva
- Bayerisches Geoinstitut University of Bayreuth Universitätstrasse 30 95440 Bayreuth Germany
| | - Timofey Fedotenko
- Material Physics and Technology at Extreme Conditions Laboratory of Crystallography University of Bayreuth Universitätstrasse 30 95440 Bayreuth Germany
| | - Alena V. Ponomareva
- Materials Modeling and Development Laboratory National University of Science and Technology “MISIS” 119049 Moscow Russia
| | - Johan Tidholm
- Department of Physics, Chemistry and Biology (IFM) Linköping University 58183 Linköping Sweden
| | - Ferenc Tasnádi
- Department of Physics, Chemistry and Biology (IFM) Linköping University 58183 Linköping Sweden
| | - Igor A. Abrikosov
- Department of Physics, Chemistry and Biology (IFM) Linköping University 58183 Linköping Sweden
| | - Pavel Sedmak
- European Synchrotron Radiation Facility BP 220 38043 Grenoble Cedex France
| | - Vitali Prakapenka
- Center for Advanced Radiation Sources University of Chicago 9700 South Cass Avenue Lemont IL 60437 USA
| | - Michael Hanfland
- European Synchrotron Radiation Facility BP 220 38043 Grenoble Cedex France
| | - Hanns‐Peter Liermann
- Photon Science, Deutsches Elektronen-Synchrotron Notkestrasse 85 22607 Hamburg Germany
| | - Mohammad Mahmood
- Department of Mathematics Howard University 2400 Sixth Street NW Washington DC 20059 USA
| | - Alexander F. Goncharov
- The Earth and Planets Laboratory Carnegie Institution for Science 5241 Broad Branch Road, NW Washington DC 20015 USA
| | - Natalia Dubrovinskaia
- Material Physics and Technology at Extreme Conditions Laboratory of Crystallography University of Bayreuth Universitätstrasse 30 95440 Bayreuth Germany
- Department of Physics, Chemistry and Biology (IFM) Linköping University 58183 Linköping Sweden
| | - Leonid Dubrovinsky
- Bayerisches Geoinstitut University of Bayreuth Universitätstrasse 30 95440 Bayreuth Germany
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12
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Bykov M, Chariton S, Bykova E, Khandarkhaeva S, Fedotenko T, Ponomareva AV, Tidholm J, Tasnádi F, Abrikosov IA, Sedmak P, Prakapenka V, Hanfland M, Liermann HP, Mahmood M, Goncharov AF, Dubrovinskaia N, Dubrovinsky L. High-Pressure Synthesis of Metal-Inorganic Frameworks Hf 4 N 20 ⋅N 2 , WN 8 ⋅N 2 , and Os 5 N 28 ⋅3 N 2 with Polymeric Nitrogen Linkers. Angew Chem Int Ed Engl 2020; 59:10321-10326. [PMID: 32212190 PMCID: PMC7317814 DOI: 10.1002/anie.202002487] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 03/19/2020] [Indexed: 11/15/2022]
Abstract
Polynitrides are intrinsically thermodynamically unstable at ambient conditions and require peculiar synthetic approaches. Now, a one‐step synthesis of metal–inorganic frameworks Hf4N20⋅N2, WN8⋅N2, and Os5N28⋅3 N2 via direct reactions between elements in a diamond anvil cell at pressures exceeding 100 GPa is reported. The porous frameworks (Hf4N20, WN8, and Os5N28) are built from transition‐metal atoms linked either by polymeric polydiazenediyl (polyacetylene‐like) nitrogen chains or through dinitrogen units. Triply bound dinitrogen molecules occupy channels of these frameworks. Owing to conjugated polydiazenediyl chains, these compounds exhibit metallic properties. The high‐pressure reaction between Hf and N2 also leads to a non‐centrosymmetric polynitride Hf2N11 that features double‐helix catena‐poly[tetraz‐1‐ene‐1,4‐diyl] nitrogen chains [−N−N−N=N−]∞.
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Affiliation(s)
- Maxim Bykov
- Department of Mathematics, Howard University, 2400 Sixth Street NW, Washington, DC, 20059, USA.,Bayerisches Geoinstitut, University of Bayreuth, Universitätstrasse 30, 95440, Bayreuth, Germany.,The Earth and Planets Laboratory, Carnegie Institution for Science, 5241 Broad Branch Road, NW, Washington, DC, 20015, USA
| | - Stella Chariton
- Center for Advanced Radiation Sources, University of Chicago, 9700 South Cass Avenue, Lemont, IL, 60437, USA
| | - Elena Bykova
- The Earth and Planets Laboratory, Carnegie Institution for Science, 5241 Broad Branch Road, NW, Washington, DC, 20015, USA
| | - Saiana Khandarkhaeva
- Bayerisches Geoinstitut, University of Bayreuth, Universitätstrasse 30, 95440, Bayreuth, Germany
| | - Timofey Fedotenko
- Material Physics and Technology at Extreme Conditions, Laboratory of Crystallography, University of Bayreuth, Universitätstrasse 30, 95440, Bayreuth, Germany
| | - Alena V Ponomareva
- Materials Modeling and Development Laboratory, National University of Science and Technology "MISIS", 119049, Moscow, Russia
| | - Johan Tidholm
- Department of Physics, Chemistry and Biology (IFM), Linköping University, 58183, Linköping, Sweden
| | - Ferenc Tasnádi
- Department of Physics, Chemistry and Biology (IFM), Linköping University, 58183, Linköping, Sweden
| | - Igor A Abrikosov
- Department of Physics, Chemistry and Biology (IFM), Linköping University, 58183, Linköping, Sweden
| | - Pavel Sedmak
- European Synchrotron Radiation Facility, BP 220, 38043, Grenoble Cedex, France
| | - Vitali Prakapenka
- Center for Advanced Radiation Sources, University of Chicago, 9700 South Cass Avenue, Lemont, IL, 60437, USA
| | - Michael Hanfland
- European Synchrotron Radiation Facility, BP 220, 38043, Grenoble Cedex, France
| | - Hanns-Peter Liermann
- Photon Science, Deutsches Elektronen-Synchrotron, Notkestrasse 85, 22607, Hamburg, Germany
| | - Mohammad Mahmood
- Department of Mathematics, Howard University, 2400 Sixth Street NW, Washington, DC, 20059, USA
| | - Alexander F Goncharov
- The Earth and Planets Laboratory, Carnegie Institution for Science, 5241 Broad Branch Road, NW, Washington, DC, 20015, USA
| | - Natalia Dubrovinskaia
- Material Physics and Technology at Extreme Conditions, Laboratory of Crystallography, University of Bayreuth, Universitätstrasse 30, 95440, Bayreuth, Germany.,Department of Physics, Chemistry and Biology (IFM), Linköping University, 58183, Linköping, Sweden
| | - Leonid Dubrovinsky
- Bayerisches Geoinstitut, University of Bayreuth, Universitätstrasse 30, 95440, Bayreuth, Germany
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13
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Xu Y, Zhang W, Zhang T, Guo W, Lü Y. Amorphous polymerization of nitrogen in compressed cupric azide. J Comput Chem 2020; 41:1026-1033. [PMID: 31970817 DOI: 10.1002/jcc.26150] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Accepted: 01/03/2020] [Indexed: 01/07/2023]
Abstract
Metal azides have attracted increasing attention as precursors for synthesizing polymeric nitrogen. In this article, we report the amorphous polymerization of nitrogen by compressing cupric azide. The ab initio molecular dynamics simulations show that crystalline cupric azide transforms into a disordered network composed of singly bonded nitrogen at a hydrostatic pressure of 40 GPa and room temperature. The transformation manifests the formation of a π delocalization along the disordered Cu-N network, thus resulting in a semiconductor-metal transition. The estimated heat of formation of the amorphous polymeric nitrogen system is comparable to conventional high-energy-density materials. The amorphization provides an alternative route to the polymerization of nitrogen under moderate conditions.
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Affiliation(s)
- Yujia Xu
- School of Physics, Beijing Institute of Technology, Beijing, People's Republic of China
| | - Weijing Zhang
- State Key Laboratory of Explosion Science and Technology, School of Mechatronical Engineering, Beijing Institute of Technology, Beijing, People's Republic of China
| | - Tonglai Zhang
- State Key Laboratory of Explosion Science and Technology, School of Mechatronical Engineering, Beijing Institute of Technology, Beijing, People's Republic of China
| | - Wei Guo
- School of Physics, Beijing Institute of Technology, Beijing, People's Republic of China
| | - Yongjun Lü
- School of Physics, Beijing Institute of Technology, Beijing, People's Republic of China
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14
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Niwa K, Fukui R, Terabe T, Kawada T, Kato D, Sasaki T, Soda K, Hasegawa M. High-Pressure Synthesis and Phase Stability of Nickel Pernitride. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201900489] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Ken Niwa
- Department of Materials Physics; Nagoya University; Furo-cho, Chikusa-ku Nagoya, Aichi 464-8603 Japan
| | - Riku Fukui
- Department of Materials Physics; Nagoya University; Furo-cho, Chikusa-ku Nagoya, Aichi 464-8603 Japan
| | - Toshiki Terabe
- Department of Crystalline Materials Science; Nagoya University; Furo-cho, Chikusa-ku Nagoya, Aichi 464-8603 Japan
| | - Takuya Kawada
- Department of Materials Physics; Nagoya University; Furo-cho, Chikusa-ku Nagoya, Aichi 464-8603 Japan
| | - Daiki Kato
- Department of Quantum Engineering; Nagoya University; Furo-cho, Chikusa-ku Nagoya, Aichi 464-8603 Japan
| | - Takuya Sasaki
- Department of Materials Physics; Nagoya University; Furo-cho, Chikusa-ku Nagoya, Aichi 464-8603 Japan
| | - Kazuo Soda
- Department of Materials Physics; Nagoya University; Furo-cho, Chikusa-ku Nagoya, Aichi 464-8603 Japan
- Synchrotron Radiation Research Center; Nagoya University; Furo-cho, Chikusa-ku Nagoya, Aichi 464-8603 Japan
| | - Masashi Hasegawa
- Department of Materials Physics; Nagoya University; Furo-cho, Chikusa-ku Nagoya, Aichi 464-8603 Japan
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15
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Bykov M, Yusenko KV, Bykova E, Pakhomova A, Kraus W, Dubrovinskaia N, Dubrovinsky L. Synthesis of Arsenopyrite‐Type Rhodium Pernitride RhN
2
from a Single‐Source Azide Precursor. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201900488] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Maxim Bykov
- Bayerisches Geoinstitut University of Bayreuth Universitätstraße 30 95440 Bayreuth Germany
- Chair of Inorganic Solid‐State Chemistry Department of Chemistry University of Munich (LMU) Butenandtstr. 5‐13 (D) 81377 Munich Germany
| | - Kirill V. Yusenko
- BAM Federal Institute of Materials Research and Testing Richard‐Willstätter Str. 11 12489 Berlin Germany
| | - Elena Bykova
- Bayerisches Geoinstitut University of Bayreuth Universitätstraße 30 95440 Bayreuth Germany
| | | | - Werner Kraus
- BAM Federal Institute of Materials Research and Testing Richard‐Willstätter Str. 11 12489 Berlin Germany
| | - Natalia Dubrovinskaia
- Material Physics and Technology at Extreme Conditions Laboratory of Crystallography University of Bayreuth Universitätstraße 30 95440 Bayreuth Germany
| | - Leonid Dubrovinsky
- Bayerisches Geoinstitut University of Bayreuth Universitätstraße 30 95440 Bayreuth Germany
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16
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Liu Z, Li D, Liu Y, Cui T, Tian F, Duan D. Metallic and anti-metallic properties of strongly covalently bonded energetic AlN 5 nitrides. Phys Chem Chem Phys 2019; 21:12029-12035. [PMID: 31135804 DOI: 10.1039/c9cp01723b] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
High pressure can stimulate numerous novel physical effects which are not observed under ambient conditions, such as the electronic redistribution and delocalization phenomenon in strongly covalently bonded nitrides. Through first principles simulations, we report a new N-rich aluminum nitride AlN5, which crystallizes with the space group P1[combining macron] at 20 GPa and then transforms into the I4[combining macron]2d phase at 60 GPa. We have identified and proved the delocalization effects of π electrons in the strongly covalent Lewis poly-nitrogen structure via the one-dimensional particle in a box mechanism, which contributes to the metallization and stability of the system. This implies that not all strongly covalently bonded systems with highly localized electrons exhibit nonmetallic properties in III-V main group nitrides. Furthermore, pressure results in the hybridization configuration mutation from sp2 in the P1[combining macron] phase to a mixture of sp2 and sp3 hybridization in the I4[combining macron]2d phase, which leads to phase transition from metal to insulator. With increasing pressure, the band gap increases abnormally, exhibiting anti-metallization induced by the strong hybridization. Interestingly, the P1[combining macron] and I4[combining macron]2d structures are simultaneously accompanied by a high energy density and hardness, which enable them to have a greater ability to resist elasticity, plastic deformation and external force destruction in potential applications. Their energy density and hardness are up to 3.29 kJ g-1 and 15.2 GPa in the P1[combining macron] phase but especially 6.14 kJ g-1 and 31.7 GPa in the I4[combining macron]2d phase.
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Affiliation(s)
- Zhao Liu
- State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun, 130012, People's Republic of China.
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