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Viennois R, Debord R, Moll A, Legrand V, Beaudhuin M, Fréty N, Pailhès S. Stability and Physical Properties of Metastable Ba-Si Clathrates. Inorg Chem 2024; 63:5541-5551. [PMID: 38475716 DOI: 10.1021/acs.inorgchem.3c04520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2024]
Abstract
In the present study, we have investigated the stability of different Ba-Si clathrates with pressure and temperature using DFT calculations and studied the stability of type I Ba8Si46 and type IX Ba24Si100 clathrates using high pressure─high temperature synthesis technique, calorimetry, and diffraction experiments. When increasing pressure, the type I Ba8Si46 clathrate and BaSi6 become more stable. In good qualitative agreement with experiments, the type IX Ba24Si100 clathrate becomes stable at a pressure of 1-2 GPa thanks to the pressure and thermal effect of both electronic and vibrational contributions. One can notice that the presence of Ba in the cages of type IX clathrate increases significantly the stability and the mechanical properties of type IX clathrate. We have determined the P-T existence domain of type IX Ba24Si100 clathrate from ex situ experiments, which was confirmed by in situ synchrotron X-ray experiments. At room pressure and under an oxidizing atmosphere, the type I Ba8Si46 and the type IX Ba24Si100 clathrates are stable up to about 560 °C and up to about 600 °C, respectively. The thermoelectric properties of type IX Ba24Si100 are also reported.
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Affiliation(s)
- Romain Viennois
- ICGM, Univ Montpellier, CNRS, ENSCM, 34095 Montpellier, France
| | - Régis Debord
- Institut Lumière Matière, UMR5306 Université Lyon 1-CNRS, Université de Lyon, 69622 Villeurbanne Cedex, France
| | - Adrien Moll
- ICGM, Univ Montpellier, CNRS, ENSCM, 34095 Montpellier, France
| | - Vincent Legrand
- ICGM, Univ Montpellier, CNRS, ENSCM, 34095 Montpellier, France
| | | | - Nicole Fréty
- ICGM, Univ Montpellier, CNRS, ENSCM, 34095 Montpellier, France
| | - Stéphane Pailhès
- Institut Lumière Matière, UMR5306 Université Lyon 1-CNRS, Université de Lyon, 69622 Villeurbanne Cedex, France
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2
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Geng N, Hilleke KP, Zhu L, Wang X, Strobel TA, Zurek E. Conventional High-Temperature Superconductivity in Metallic, Covalently Bonded, Binary-Guest C-B Clathrates. J Am Chem Soc 2023; 145:1696-1706. [PMID: 36622785 DOI: 10.1021/jacs.2c10089] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Inspired by the synthesis of XB3C3 (X = Sr, La) compounds in the bipartite sodalite clathrate structure, density functional theory (DFT) calculations are performed on members of this family containing up to two different metal atoms. A DFT-chemical pressure analysis on systems with X = Mg, Ca, Sr, Ba reveals that the size of the metal cation, which can be tuned to stabilize the B-C framework, is key for their ambient-pressure dynamic stability. High-throughput density functional theory calculations on 105 Pm3̅ symmetry XYB6C6 binary-guest compounds (where X, Y are electropositive metal atoms) find 22 that are dynamically stable at 1 atm, expanding the number of potentially synthesizable phases by 19 (18 metals and 1 insulator). The density of states at the Fermi level and superconducting critical temperature, Tc, can be tuned by changing the average oxidation state of the metal atoms, with Tc being highest for an average valence of +1.5. KPbB6C6, with an ambient-pressure Eliashberg Tc of 88 K, is predicted to possess the highest Tc among the studied Pm3̅n XB3C3 or Pm3̅ XYB6C6 phases, and calculations suggest it may be synthesized using high-pressure high-temperature techniques and then quenched to ambient conditions.
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Affiliation(s)
- Nisha Geng
- Department of Chemistry, State University of New York at Buffalo, Buffalo, New York 14260-3000, United States
| | - Katerina P Hilleke
- Department of Chemistry, State University of New York at Buffalo, Buffalo, New York 14260-3000, United States
| | - Li Zhu
- Department of Physics, Rutgers University, Newark, New Jersey 07102, United States
| | - Xiaoyu Wang
- Department of Chemistry, State University of New York at Buffalo, Buffalo, New York 14260-3000, United States
| | - Timothy A Strobel
- Earth and Planets Laboratory, Carnegie Institution for Science, Washington, DC 20015, United States
| | - Eva Zurek
- Department of Chemistry, State University of New York at Buffalo, Buffalo, New York 14260-3000, United States
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3
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Iwasaki S, Morito H, Komine T, Morita K, Shibuya T, Nishii J, Fujioka M. A Novel Technique for Controlling Anisotropic Ion Diffusion: Bulk Single-Crystalline Metallic Silicon Clathrate. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2106754. [PMID: 34958686 DOI: 10.1002/adma.202106754] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 11/29/2021] [Indexed: 06/14/2023]
Abstract
Na-free Si clathrates consisting only of Si cages are an allotrope of diamond-structured Si. This material is promising for various device applications, such as next-generation photovoltaics. The probable technique for synthesizing Na-free Si clathrates is to extract Na+ from the Si cages of Na24 Si136 . Vacuum annealing is presently a well-known conventional and effective approach for extracting Na. However, this study demonstrates that Na+ cannot be extracted from the surface of a single-crystalline type-II metallic Si clathrate (Na24 Si136 ) in areas deeper than 150 µm. Therefore, a novel method is developed to control anisotropic ion diffusion: this is effective for various compounds with a large difference in the bonding strength between their constituent elements, such as Na24 Si136 composed of covalent Si cages and weakly trapped Na+ . By skillfully exploiting the difference in the chemical potentials as a driving force, Na+ is homogeneously extracted regardless of the size of the single crystal while maintaining high crystallinity. Additionally, the proposed point defect model is evaluated via density functional theory, and the migration of Na+ between the Si cages is explained. It is expected that the developed experimental and computational techniques would significantly advance material design for synthesizing thermodynamically metastable materials.
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Affiliation(s)
- Suguru Iwasaki
- Research Institute for Electronic Science, Hokkaido University, Kita 20, Nishi 10, Kita-ku, Sapporo, 001-0020, Japan
| | - Haruhiko Morito
- Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, 980-8577, Japan
| | - Takashi Komine
- Graduate School of Science and Engineering, Ibaraki University, 4-12-1 Nakanarusawa, Hitachi, Ibaraki, 316-8511, Japan
| | - Kazuki Morita
- Department of Materials, Imperial College London, London, SW7 2AZ, United Kingdom
| | - Taizo Shibuya
- System Platform Research Laboratories, NEC Corporation, 1753 Shimonumabe, Nakahara, Kawasaki, 211-8666, Japan
| | - Junji Nishii
- Research Institute for Electronic Science, Hokkaido University, Kita 20, Nishi 10, Kita-ku, Sapporo, 001-0020, Japan
| | - Masaya Fujioka
- Research Institute for Electronic Science, Hokkaido University, Kita 20, Nishi 10, Kita-ku, Sapporo, 001-0020, Japan
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Feng X, Bobnar M, Lerch S, Biller H, Schmidt M, Baitinger M, Strassner T, Grin Y, Böhme B. Type-II Clathrate Na 24-δ Ge 136 from a Redox-Preparation Route. Chemistry 2021; 27:12776-12787. [PMID: 34270132 PMCID: PMC8518416 DOI: 10.1002/chem.202102082] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Indexed: 11/17/2022]
Abstract
The metastable type-II clathrate Na24-δ Ge136 was obtained from Na12 Ge17 by applying a two-step procedure. At first, Na12 Ge17 was reacted at 70 °C with a solution of benzophenone in the ionic liquid (IL) 1,3-dibutyl-2-methylimidazolium-bis(trifluoromethylsulfonyl) azanide. The IL was inert towards Na12 Ge17 , but capable of dissolving the sodium salts formed in the redox reaction. By annealing at 340 °C under an argon atmosphere, the X-ray amorphous intermediate product was transformed to crystalline Na24-δ Ge136 (δ≈2) and α-Ge in an about 1 : 1 mass ratio. The product was characterized by X-ray powder diffraction, chemical analysis, and 23 Na solid-state NMR spectroscopy. Metallic properties of Na24-δ Ge136 were revealed by a significant Knight shift of the 23 Na NMR signals and by a Pauli-paramagnetic contribution to the magnetic susceptibility. At room temperature, Na24-δ Ge136 slowly ages, with a tendency to volume decrease and sodium loss.
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Affiliation(s)
- Xian‐Juan Feng
- Max-Planck-Institut für Chemische Physik fester StoffeAbteilung Chemische MetallkundeNöthnitzer Straße 4001187DresdenGermany
| | - Matej Bobnar
- Max-Planck-Institut für Chemische Physik fester StoffeAbteilung Chemische MetallkundeNöthnitzer Straße 4001187DresdenGermany
- Jožef Stefan InstituteJamova 391000LjubljanaSlovenia
| | - Swantje Lerch
- Technische Universität DresdenFachrichtung Chemie und Lebensmittelchemie Professur für Physikalische Organische Chemie01062DresdenGermany
| | - Harry Biller
- Technische Universität DresdenFachrichtung Chemie und Lebensmittelchemie Professur für Physikalische Organische Chemie01062DresdenGermany
| | - Marcus Schmidt
- Max-Planck-Institut für Chemische Physik fester StoffeAbteilung Chemische MetallkundeNöthnitzer Straße 4001187DresdenGermany
| | - Michael Baitinger
- Max-Planck-Institut für Chemische Physik fester StoffeAbteilung Chemische MetallkundeNöthnitzer Straße 4001187DresdenGermany
| | - Thomas Strassner
- Technische Universität DresdenFachrichtung Chemie und Lebensmittelchemie Professur für Physikalische Organische Chemie01062DresdenGermany
| | - Yuri Grin
- Max-Planck-Institut für Chemische Physik fester StoffeAbteilung Chemische MetallkundeNöthnitzer Straße 4001187DresdenGermany
| | - Bodo Böhme
- Max-Planck-Institut für Chemische Physik fester StoffeAbteilung Chemische MetallkundeNöthnitzer Straße 4001187DresdenGermany
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Hübner JM, Jung W, Schmidt M, Bobnar M, Koželj P, Böhme B, Baitinger M, Etter M, Grin Y, Schwarz U. Cage Adaption by High-Pressure Synthesis: The Clathrate-I Borosilicide Rb 8B 8Si 38. Inorg Chem 2021; 60:2160-2167. [PMID: 33104343 PMCID: PMC7887739 DOI: 10.1021/acs.inorgchem.0c02357] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Rb8B8Si38 forms under high-pressure, high-temperature conditions at p = 8 GPa and T = 1273 K. The new compound (space group Pm3̅n, a = 9.9583(1) Å) is the second example for a clathrate-I borosilicide. The phase is inert against strong acids and bases and thermally stable up to 1300 K at ambient pressure. (Rb+)8(B-)8(Si0)38 is electronically balanced, diamagnetic, and shows semiconducting behavior with moderate Seebeck coefficient below 300 K. Chemical bonding analysis by the electron localizability approach confirms the description of Rb8B8Si38 as Zintl phase.
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Affiliation(s)
- Julia-Maria Hübner
- Department of Chemical Metals Science, Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Straße 40, Dresden 01187, Germany
| | - Walter Jung
- Department of Chemical Metals Science, Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Straße 40, Dresden 01187, Germany
| | - Marcus Schmidt
- Department of Chemical Metals Science, Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Straße 40, Dresden 01187, Germany
| | - Matej Bobnar
- Department of Chemical Metals Science, Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Straße 40, Dresden 01187, Germany
| | - Primož Koželj
- Department of Chemical Metals Science, Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Straße 40, Dresden 01187, Germany
| | - Bodo Böhme
- Department of Chemical Metals Science, Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Straße 40, Dresden 01187, Germany
| | - Michael Baitinger
- Department of Chemical Metals Science, Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Straße 40, Dresden 01187, Germany
| | - Martin Etter
- Department of Chemical Metals Science, Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Straße 40, Dresden 01187, Germany
| | - Yuri Grin
- Department of Chemical Metals Science, Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Straße 40, Dresden 01187, Germany
| | - Ulrich Schwarz
- Department of Chemical Metals Science, Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Straße 40, Dresden 01187, Germany
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6
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Jung W, Böhme B, Hübner JM, Burkhardt U, Borrmann H, Bobnar M, Nguyen HD, Pantenburg I, Etter M, Schwarz U, Grin Y, Baitinger M. The impact of boron atoms on clathrate-I silicides: composition range of the borosilicide K 8-xB ySi 46-y. Dalton Trans 2021; 50:1274-1282. [PMID: 33393534 DOI: 10.1039/d0dt03339a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The clathrate-I borosilicide K8-xBySi46-y (0.8 ≤x≤ 1.2 and 6.4 ≤y≤ 7.2; space group Pm3[combining macron]n) was prepared in sealed tantalum ampoules between 900 °C and 1000 °C. By high-pressure preparation at 8 GPa and 1000 °C, a higher boron content is achieved (x = 0.2, y = 7.8). Crystal structure and composition were established from X-ray diffraction data, chemical analysis, WDX spectroscopy, and confirmed by 11B and 29Si NMR, and magnetic susceptibility measurements. The compositions are electron-balanced according to the Zintl rule within one estimated standard deviation. The lattice parameter varies with composition from a = 9.905 Å for K7.85(2)B7.8(1)Si38.2(1) to a = 9.968(1) Å for K6.80(2)B6.4(5)Si39.6(5).
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Affiliation(s)
- Walter Jung
- Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Straße 40, 01187 Dresden, Germany.
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8
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Baitinger M, Böhme B, Wagner FR, Schwarz U. Zintl Defects in Intermetallic Clathrates. Z Anorg Allg Chem 2020. [DOI: 10.1002/zaac.202000107] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Michael Baitinger
- Max‐Planck‐Institut für Chemische Physik fester Stoffe Nöthnitzer Straße 40 01187 Dresden Germany
| | - Bodo Böhme
- Max‐Planck‐Institut für Chemische Physik fester Stoffe Nöthnitzer Straße 40 01187 Dresden Germany
| | - Frank R. Wagner
- Max‐Planck‐Institut für Chemische Physik fester Stoffe Nöthnitzer Straße 40 01187 Dresden Germany
| | - Ulrich Schwarz
- Max‐Planck‐Institut für Chemische Physik fester Stoffe Nöthnitzer Straße 40 01187 Dresden Germany
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9
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Urushiyama H, Morito H, Yamane H. Single crystal growth and structure analysis of type-I (Na/Sr)-(Ga/Si) quaternary clathrates. RSC Adv 2019; 9:14586-14591. [PMID: 35516297 PMCID: PMC9064156 DOI: 10.1039/c9ra01489f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 04/29/2019] [Indexed: 12/03/2022] Open
Abstract
Single crystals of (Na/Sr)-(Ga/Si) quaternary type-I clathrates, Na8-y Sr y Ga x Si46-x , were synthesized by evaporating Na from a mixture of Na-Sr-Ga-Si-Sn in a 6 : 0.5 : 1 : 2 : 1 molar ratio at 773 K for 12 h in an Ar atmosphere. Electron-probe microanalysis and single-crystal X-ray diffraction revealed that three crystals from the same product were Na8-y Sr y Ga x Si46-x with x and y values of 7.6, 2.96; 8.4, 3.80; and 9.1, 4.08. It was also shown that increasing the Sr and Ga contents increased the electrical resistivity of the crystal from 0.34 to 1.05 mΩ cm at 300 K.
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Affiliation(s)
- Hironao Urushiyama
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University 2-1-1 Katahira, Aoba-ku Sendai 980-8577 Japan
- Department of Metallurgy, Materials Science and Materials Processing, Graduate School of Engineering, Tohoku University 6-6-04 Aramaki Aza Aoba, Aoba-ku Sendai 980-8579 Japan
| | - Haruhiko Morito
- Institute for Materials Research, Tohoku University 2-1-1 Katahira, Aoba-ku Sendai 980-8577 Japan
| | - Hisanori Yamane
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University 2-1-1 Katahira, Aoba-ku Sendai 980-8577 Japan
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10
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Urushiyama H, Morito H, Yamane H, Terauchi M. Na-Ga-Si type-I clathrate single crystals grown via Na evaporation using Na-Ga and Na-Ga-Sn fluxes. RSC Adv 2018; 8:40505-40510. [PMID: 35557917 PMCID: PMC9091382 DOI: 10.1039/c8ra07971d] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 11/29/2018] [Indexed: 11/21/2022] Open
Abstract
Single crystals of a Na–Ga–Si clathrate, Na8Ga5.70Si40.30, of size 2.9 mm were grown via the evaporation of Na from a Na–Ga–Si melt with the molar ratio of Na : Ga : Si = 4 : 1 : 2 at 773 K for 21 h under an Ar atmosphere. The crystal structure was analyzed using X-ray diffraction with the model of the type-I clathrate (cubic, a = 10.3266(2) Å, space group Pm3̄n, no. 223). By adding Sn to a Na–Ga–Si melt (Na : Ga : Si : Sn = 6 : 1 : 2 : 1), single crystals of Na8GaxSi46−x (x = 4.94–5.52, a = 10.3020(2)–10.3210(3) Å), with the maximum size of 3.7 mm, were obtained via Na evaporation at 723–873 K. The electrical resistivities of Na8Ga5.70Si40.30 and Na8Ga4.94Si41.06 were 1.40 and 0.72 mΩ cm, respectively, at 300 K, and metallic temperature dependences of the resistivities were observed. In the Si L2,3 soft X-ray emission spectrum of Na8Ga5.70Si40.30, a weak peak originating from the lowest conduction band in the undoped Si46 was observed at an emission energy of 98 eV. Single crystals of a Na–Ga–Si clathrate, Na8Ga4.94Si41.06, of size 3.7 mm were grown via the evaporation of Na from a Na–Ga–Si–Sn melt with the molar ratio of Na : Ga : Si : Sn = 6 : 1 : 2 : 1 at 873 K for 3 h under an Ar atmosphere.![]()
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Affiliation(s)
- Hironao Urushiyama
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University 2-1-1 Katahira, Aoba-ku Sendai 980-8577 Japan
| | - Haruhiko Morito
- Institute for Materials Research, Tohoku University 2-1-1 Katahira, Aoba-ku Sendai 980-8577 Japan
| | - Hisanori Yamane
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University 2-1-1 Katahira, Aoba-ku Sendai 980-8577 Japan
| | - Masami Terauchi
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University 2-1-1 Katahira, Aoba-ku Sendai 980-8577 Japan
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Wei K, Khabibullin AR, Hobbis D, Wong-Ng W, Chang T, Wang SG, Levin I, Chen YS, Woods LM, Nolas GS. Synthesis, Structure, and Electrical Properties of the Single Crystal Ba8Cu16As30. Inorg Chem 2018; 57:9327-9334. [DOI: 10.1021/acs.inorgchem.8b01314] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Kaya Wei
- Department of Physics, University of South Florida, Tampa, Florida 33620, United States
| | - Artem R. Khabibullin
- Department of Physics, University of South Florida, Tampa, Florida 33620, United States
| | - Dean Hobbis
- Department of Physics, University of South Florida, Tampa, Florida 33620, United States
| | - Winnie Wong-Ng
- Materials Measurement Science Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Tieyan Chang
- ChemMatCARS, University of Chicago, Argonne, Illinois 60439, United States
| | - SuYin G. Wang
- ChemMatCARS, University of Chicago, Argonne, Illinois 60439, United States
| | - Igor Levin
- Materials Measurement Science Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Yu-Sheng Chen
- ChemMatCARS, University of Chicago, Argonne, Illinois 60439, United States
| | - Lilia M. Woods
- Department of Physics, University of South Florida, Tampa, Florida 33620, United States
| | - George S. Nolas
- Department of Physics, University of South Florida, Tampa, Florida 33620, United States
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12
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Böhme B, Wei K, Bobnar M, Prots Y, Burkhardt U, Baitinger M, Nolas GS, Grin Y. A type-II clathrate with a Li-Ge framework. Z KRIST-CRYST MATER 2017. [DOI: 10.1515/zkri-2017-2046] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractNa
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13
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Böhme B, Bobnar M, Ormeci A, Peters S, Schnelle W, Baitinger M, Grin Y. Type-I silicon clathrates containing lithium. Z KRIST-CRYST MATER 2017. [DOI: 10.1515/zkri-2016-1983] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractThe intermetallic phase [Li
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14
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Binary Alkali-Metal Silicon Clathrates by Spark Plasma Sintering: Preparation and Characterization. MATERIALS 2016; 9:ma9070593. [PMID: 28773710 PMCID: PMC5456916 DOI: 10.3390/ma9070593] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Revised: 07/12/2016] [Accepted: 07/13/2016] [Indexed: 11/26/2022]
Abstract
The binary intermetallic clathrates K8-xSi46 (x = 0.4; 1.2), Rb6.2Si46, Rb11.5Si136 and Cs7.8Si136 were prepared from M4Si4 (M = K, Rb, Cs) precursors by spark-plasma route (SPS) and structurally characterized by Rietveld refinement of PXRD data. The clathrate-II phase Rb11.5Si136 was synthesized for the first time. Partial crystallographic site occupancy of the alkali metals, particularly for the smaller Si20 dodecahedra, was found in all compounds. SPS preparation of Na24Si136 with different SPS current polarities and tooling were performed in order to investigate the role of the electric field on clathrate formation. The electrical and thermal transport properties of K7.6Si46 and K6.8Si46 in the temperature range 4–700 K were investigated. Our findings demonstrate that SPS is a novel tool for the synthesis of intermetallic clathrate phases that are not easily accessible by conventional synthesis techniques.
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Zeng T, Hoffmann R, Nesper R, Ashcroft NW, Strobel TA, Proserpio DM. Li-Filled, B-Substituted Carbon Clathrates. J Am Chem Soc 2015; 137:12639-52. [DOI: 10.1021/jacs.5b07883] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Tao Zeng
- Baker
Laboratory, Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
- Department
of Chemistry, Carleton University, Ottawa, Ontario K1S5B6, Canada
| | - Roald Hoffmann
- Baker
Laboratory, Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Reinhard Nesper
- Laboratory
of Inorganic Chemistry, ETH Zürich, Vladimir-Prelog-Weg 1, CH-8093 Zürich, Switzerland
| | - N. W. Ashcroft
- Laboratory
of Atomic and Solid Physics, Cornell University, Ithaca, New York 14853, United States
| | - Timothy A. Strobel
- Geophysical
Laboratory, Carnegie Institution of Washington, 5251 Broad Branch Road NW, Washington, D.C. 20015, United States
| | - Davide M. Proserpio
- Dipartimento
di Chimica, Università degli Studi di Milano, 20133 Milano, Italy
- Samara
Center for Theoretical Materials Science (SCTMS), Samara State University, Samara 443011 Russia
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16
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Solid State Chemistry of Clathrate Phases: Crystal Structure, Chemical Bonding and Preparation Routes. THE PHYSICS AND CHEMISTRY OF INORGANIC CLATHRATES 2014. [DOI: 10.1007/978-94-017-9127-4_2] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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17
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Liang Y, Böhme B, Ormeci A, Borrmann H, Pecher O, Haarmann F, Schnelle W, Baitinger M, Grin Y. A Clathrate-I Phase with Li-Ge Framework. Chemistry 2012; 18:9818-22. [DOI: 10.1002/chem.201202069] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2012] [Indexed: 11/11/2022]
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Shestopalov MA, Ledneva AY, Cordier S, Hernandez O, Potel M, Roisnel T, Naumov NG, Perrin C. Tetrahedral Mo4 Clusters as Building Blocks for the Design of Clathrate-Related Giant Frameworks. Angew Chem Int Ed Engl 2011. [DOI: 10.1002/ange.201101986] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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19
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Veremchuk I, Wosylus A, Böhme B, Baitinger M, Borrmann H, Prots Y, Burkhardt U, Schwarz U, Grin Y. Preparation and Crystal Structure of the Clathrate-I Cs8-xGe44+y□2-y. Z Anorg Allg Chem 2011. [DOI: 10.1002/zaac.201100187] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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20
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Shestopalov MA, Ledneva AY, Cordier S, Hernandez O, Potel M, Roisnel T, Naumov NG, Perrin C. Tetrahedral Mo4 Clusters as Building Blocks for the Design of Clathrate-Related Giant Frameworks. Angew Chem Int Ed Engl 2011; 50:7300-3. [DOI: 10.1002/anie.201101986] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2011] [Indexed: 11/11/2022]
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21
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Simon P, Tang Z, Carrillo-Cabrera W, Chiong K, Böhme B, Baitinger M, Lichte H, Grin Y, Guloy AM. Synthesis and Electron Holography Studies of Single Crystalline Nanostructures of Clathrate-II Phases KxGe136 and NaxSi136. J Am Chem Soc 2011; 133:7596-601. [DOI: 10.1021/ja201728v] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Paul Simon
- Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Strasse 40, 01187 Dresden, Germany
| | - Zhongjia Tang
- Department of Chemistry and the Texas Center for Superconductivity, University of Houston, Houston, Texas 77204-5003, United States
| | - Wilder Carrillo-Cabrera
- Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Strasse 40, 01187 Dresden, Germany
| | - Katherine Chiong
- Department of Chemistry and the Texas Center for Superconductivity, University of Houston, Houston, Texas 77204-5003, United States
| | - Bodo Böhme
- Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Strasse 40, 01187 Dresden, Germany
| | - Michael Baitinger
- Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Strasse 40, 01187 Dresden, Germany
| | - Hannes Lichte
- Institute of Structure Physics, Triebenberg Laboratory for High-Resolution Electron Microscopy and Holography, Technical University of Dresden, Zum Triebenberg 50, 01328 Dresden Zaschendorf, Germany
| | - Yuri Grin
- Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Strasse 40, 01187 Dresden, Germany
| | - Arnold M. Guloy
- Department of Chemistry and the Texas Center for Superconductivity, University of Houston, Houston, Texas 77204-5003, United States
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22
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Fukuoka H, Suekuni K, Onimaru T, Inumaru K. High-Pressure Synthesis and Superconductivity of a New Binary Lanthanum Germanide LaGe3 with Triangular Ge3 Cluster Units. Inorg Chem 2011; 50:3901-6. [DOI: 10.1021/ic102077k] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hiroshi Fukuoka
- Department of Applied Chemistry, Faculty of Engineering, Hiroshima University, Higashi-Hiroshima 739-8527, Japan.
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23
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Zhang H, Borrmann H, Oeschler N, Candolfi C, Schnelle W, Schmidt M, Burkhardt U, Baitinger M, Zhao JT, Grin Y. Atomic Interactions in the p-Type Clathrate I Ba8Au5.3Ge40.7. Inorg Chem 2011; 50:1250-7. [DOI: 10.1021/ic1016559] [Citation(s) in RCA: 135] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Hui Zhang
- Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Strasse 40, 01187 Dresden, Germany
- Key Laboratory of Transparent Opto-Functional Inorganic Materials, Chinese Academy of Sciences (Shanghai Institute of Ceramics), 1295 Dingxi Road, 200050 Shanghai, China
| | - Horst Borrmann
- Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Strasse 40, 01187 Dresden, Germany
| | - Niels Oeschler
- Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Strasse 40, 01187 Dresden, Germany
| | - Christophe Candolfi
- Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Strasse 40, 01187 Dresden, Germany
| | - Walter Schnelle
- Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Strasse 40, 01187 Dresden, Germany
| | - Marcus Schmidt
- Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Strasse 40, 01187 Dresden, Germany
| | - Ulrich Burkhardt
- Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Strasse 40, 01187 Dresden, Germany
| | - Michael Baitinger
- Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Strasse 40, 01187 Dresden, Germany
| | - Jing-Tai Zhao
- Key Laboratory of Transparent Opto-Functional Inorganic Materials, Chinese Academy of Sciences (Shanghai Institute of Ceramics), 1295 Dingxi Road, 200050 Shanghai, China
| | - Yuri Grin
- Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Strasse 40, 01187 Dresden, Germany
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24
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Kars M, Roisnel T, Dorcet V, Rebbah A, Otero-Diáz LC. I(8)Sb(10)Ge(36). Acta Crystallogr Sect E Struct Rep Online 2010; 66:i47. [PMID: 21579265 PMCID: PMC2979373 DOI: 10.1107/s1600536810017496] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2010] [Accepted: 05/12/2010] [Indexed: 11/30/2022]
Abstract
Single crystals of the title compound, octaiodide decaantimonate hexatriacontagermanide, were grown by chemical transport reactions. The structure is isotypic with the analogous clathrates-I. In this structure, the (Ge,Sb)46 framework consists of statistically occupied Ge and Sb sites that atoms form bonds in a distorted tetrahedral arrangement. They form polyhedra that are covalently bonded to each other by shared faces. There are two polyhedra of different sizes, viz. a (Ge,Sb)20 dodecahedron and a (Ge,Sb)24 tetracosahedron in a 1:3 ratio. The guest atom (iodine) resides inside these polyhedra with symmetry m3 (Wyckoff position 2a) and 2m (Wyckoff position 2d), respectively.
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25
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Aydemir U, Candolfi C, Borrmann H, Baitinger M, Ormeci A, Carrillo-Cabrera W, Chubilleau C, Lenoir B, Dauscher A, Oeschler N, Steglich F, Grin Y. Crystal structure and transport properties of Ba8Ge43□3. Dalton Trans 2010; 39:1078-88. [DOI: 10.1039/b919726e] [Citation(s) in RCA: 74] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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