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Cardoso-Gil R, Zelenina I, Stahl QE, Bobnar M, Koželj P, Krnel M, Burkhardt U, Veremchuk I, Simon P, Carrillo-Cabrera W, Boström M, Grin Y. The Intermetallic Semiconductor ht-IrGa 3: a Material in the in-Transformation State. ACS Mater Au 2021; 2:45-54. [PMID: 36855699 PMCID: PMC9928196 DOI: 10.1021/acsmaterialsau.1c00025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The compound IrGa3 was synthesized by direct reaction of the elements. It is formed as a high-temperature phase in the Ir-Ga system. Single-crystal X-ray diffraction analysis confirms the tetragonal symmetry (space group P42 /mnm, No. 136) with a = 6.4623(1) Å and c = 6.5688(2) Å and reveals strong disorder in the crystal structure, reflected in the huge values and anisotropy of the atomic displacement parameters. A model for the real crystal structure of ht-IrGa3 is derived by the split-position approach from the single-crystal X-ray diffraction data and confirmed by an atomic-resolution transmission electron microscopy study. Temperature-dependent electrical resistivity measurements evidence semiconductor behavior with a band gap of 30 meV. A thermoelectric characterization was performed for ht-IrGa3 and for the solid solution IrGa3-x Zn x .
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Affiliation(s)
- Raúl Cardoso-Gil
- Max-Planck-Institut
für Chemische Physik fester Stoffe, Nöthnitzer Straße 40, 01187 Dresden, Germany,E-mail for R.C-G.:
| | - Iryna Zelenina
- Max-Planck-Institut
für Chemische Physik fester Stoffe, Nöthnitzer Straße 40, 01187 Dresden, Germany
| | - Quirin E. Stahl
- Institut
für Festkörper- und Materialphysik, TU Dresden, 01062 Dresden, Germany
| | - Matej Bobnar
- Max-Planck-Institut
für Chemische Physik fester Stoffe, Nöthnitzer Straße 40, 01187 Dresden, Germany
| | - Primož Koželj
- Max-Planck-Institut
für Chemische Physik fester Stoffe, Nöthnitzer Straße 40, 01187 Dresden, Germany
| | - Mitja Krnel
- 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
| | - Igor Veremchuk
- Max-Planck-Institut
für Chemische Physik fester Stoffe, Nöthnitzer Straße 40, 01187 Dresden, Germany
| | - Paul Simon
- Max-Planck-Institut
für Chemische Physik fester Stoffe, Nöthnitzer Straße 40, 01187 Dresden, Germany
| | - Wilder Carrillo-Cabrera
- Max-Planck-Institut
für Chemische Physik fester Stoffe, Nöthnitzer Straße 40, 01187 Dresden, Germany
| | - Magnus Boström
- Max-Planck-Institut
für Chemische Physik fester Stoffe, Nöthnitzer Straße 40, 01187 Dresden, Germany
| | - Yuri Grin
- Max-Planck-Institut
für Chemische Physik fester Stoffe, Nöthnitzer Straße 40, 01187 Dresden, Germany,E-mail for Yu.G.:
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2
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Khim S, Landaeta JF, Banda J, Bannor N, Brando M, Brydon PMR, Hafner D, Küchler R, Cardoso-Gil R, Stockert U, Mackenzie AP, Agterberg DF, Geibel C, Hassinger E. Field-induced transition within the superconducting state of CeRh 2As 2. Science 2021; 373:1012-1016. [PMID: 34446602 DOI: 10.1126/science.abe7518] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Accepted: 07/23/2021] [Indexed: 11/02/2022]
Abstract
Materials with multiple superconducting phases are rare. Here, we report the discovery of two-phase unconventional superconductivity in CeRh2As2 Using thermodynamic probes, we establish that the superconducting critical field of its high-field phase is as high as 14 tesla, even though the transition temperature is only 0.26 kelvin. Furthermore, a transition between two different superconducting phases is observed in a c axis magnetic field. Local inversion-symmetry breaking at the cerium sites enables Rashba spin-orbit coupling alternating between the cerium sublayers. The staggered Rashba coupling introduces a layer degree of freedom to which the field-induced transition and high critical field seen in experiment are likely related.
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Affiliation(s)
- S Khim
- Department of Physics, University of Wisconsin-Milwaukee, Milwaukee, WI 53201, USA. .,Max Planck Institute for Chemical Physics of Solids, 01187 Dresden, Germany
| | - J F Landaeta
- Max Planck Institute for Chemical Physics of Solids, 01187 Dresden, Germany
| | - J Banda
- Scottish Universities Physics Alliance, School of Physics and Astronomy, University of St Andrews, St Andrews KY16 9SS, UK.,Max Planck Institute for Chemical Physics of Solids, 01187 Dresden, Germany
| | - N Bannor
- Max Planck Institute for Chemical Physics of Solids, 01187 Dresden, Germany
| | - M Brando
- Max Planck Institute for Chemical Physics of Solids, 01187 Dresden, Germany
| | - P M R Brydon
- Department of Physics and MacDiarmid Institute for Advanced Materials and Nanotechnology, University of Otago, Dunedin 9054, New Zealand.,Department of Physics and MacDiarmid Institute for Advanced Materials and Nanotechnology, University of Otago, Dunedin 9054, New Zealand
| | - D Hafner
- Max Planck Institute for Chemical Physics of Solids, 01187 Dresden, Germany
| | - R Küchler
- Max Planck Institute for Chemical Physics of Solids, 01187 Dresden, Germany
| | - R Cardoso-Gil
- Department of Physics, University of Wisconsin-Milwaukee, Milwaukee, WI 53201, USA.,Scottish Universities Physics Alliance, School of Physics and Astronomy, University of St Andrews, St Andrews KY16 9SS, UK.,Max Planck Institute for Chemical Physics of Solids, 01187 Dresden, Germany
| | - U Stockert
- Department of Physics, University of Wisconsin-Milwaukee, Milwaukee, WI 53201, USA.,Max Planck Institute for Chemical Physics of Solids, 01187 Dresden, Germany
| | - A P Mackenzie
- Department of Physics, University of Wisconsin-Milwaukee, Milwaukee, WI 53201, USA.,Department of Physics and MacDiarmid Institute for Advanced Materials and Nanotechnology, University of Otago, Dunedin 9054, New Zealand.,Max Planck Institute for Chemical Physics of Solids, 01187 Dresden, Germany.,Scottish Universities Physics Alliance, School of Physics and Astronomy, University of St Andrews, St Andrews KY16 9SS, UK
| | - D F Agterberg
- Max Planck Institute for Chemical Physics of Solids, 01187 Dresden, Germany.,Department of Physics, University of Wisconsin-Milwaukee, Milwaukee, WI 53201, USA
| | - C Geibel
- Max Planck Institute for Chemical Physics of Solids, 01187 Dresden, Germany
| | - E Hassinger
- Physik Department, Technische Universität München, 85748 Garching, Germany. .,Max Planck Institute for Chemical Physics of Solids, 01187 Dresden, Germany.,Physik Department, Technische Universität München, 85748 Garching, Germany
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Zuñiga-Puelles E, Cardoso-Gil R, Bobnar M, Veremchuk I, Himcinschi C, Hennig C, Kortus J, Heide G, Gumeniuk R. Structural stability and thermoelectric performance of high quality synthetic and natural pyrites (FeS2). Dalton Trans 2019; 48:10703-10713. [DOI: 10.1039/c9dt01902b] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Single crystalline pyrite of high quality reveals good thermal- and bad electrical conductivities resulting in poor thermoelectric performance.
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Affiliation(s)
- E. Zuñiga-Puelles
- Institut für Experimentelle Physik
- TU Bergakademie Freiberg
- 09599 Freiberg
- Germany
- Max-Planck-Institut für Chemische Physik fester Stoffe
| | - R. Cardoso-Gil
- Max-Planck-Institut für Chemische Physik fester Stoffe
- 01187 Dresden
- Germany
| | - M. Bobnar
- Max-Planck-Institut für Chemische Physik fester Stoffe
- 01187 Dresden
- Germany
| | - I. Veremchuk
- Max-Planck-Institut für Chemische Physik fester Stoffe
- 01187 Dresden
- Germany
| | - C. Himcinschi
- Institut für Theoretische Physik
- TU Bergakademie Freiberg
- 09599 Freiberg
- Germany
| | - C. Hennig
- Helmholtz-Zentrum Dresden-Rossendorf
- Institute of Resource Ecology
- 01328 Dresden
- Germany
| | - J. Kortus
- Institut für Theoretische Physik
- TU Bergakademie Freiberg
- 09599 Freiberg
- Germany
| | - G. Heide
- Institut für Mineralogie
- TU Bergakademie Freiberg
- 09599 Freiberg
- Germany
| | - R. Gumeniuk
- Institut für Experimentelle Physik
- TU Bergakademie Freiberg
- 09599 Freiberg
- Germany
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Wirth S, Ernst S, Cardoso-Gil R, Borrmann H, Seiro S, Krellner C, Geibel C, Kirchner S, Burkhardt U, Grin Y, Steglich F. Structural investigations on YbRh2Si2: from the atomic to the macroscopic length scale. J Phys Condens Matter 2012; 24:294203. [PMID: 22773338 DOI: 10.1088/0953-8984/24/29/294203] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
YbRh2Si2 has advanced to a prototype material for investigating physics related to the Kondo effect. An optimization of the synthesis resulted in single crystals of extraordinary crystalline quality. At the atomic scale, we utilize scanning tunneling microscopy to study the topography of cleaved single crystals. A structural and chemical analysis was conducted by highly accurate x-ray diffraction and wavelength dispersive x-ray spectroscopy measurements. The latter indicate a homogeneity range of the YbRh2Si2 phase between approximately 40.0–40.2 at.% Rh. For our high-quality samples the number of defects found on the atomic scale (of the order of 0.3% of the visible lattice sites) is in quantitative agreement with a very small off-stoichiometry within this homogeneity range. Comparing our results for these samples allows an assignment of the structural defects observed at the cleaved surfaces to Rh occupying Si sites and, even less numerous Si in Rh sites. Such an analysis is hampered for samples of lesser quality, but there seem to be numerous empty Si-sites. Based on these observations the results of scanning tunneling spectroscopy can be analyzed in further detail and provide insight into the Kondo physics.
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Affiliation(s)
- S Wirth
- Max Planck Institute for Chemical Physics of Solids, N¨othnitzer Straße 40, 01187 Dresden, Germany.
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Mujica C, Prado M, Cardoso-Gil R. Pb(ReO4)2(C2H6O2)1.5: A New Contribution to the Crystal Chemistry of Perrhenates. Z Anorg Allg Chem 2011. [DOI: 10.1002/zaac.201100013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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6
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Spodine E, Valencia-Gálvez P, Fuentealba P, Manzur J, Ruiz D, Venegas-Yazigi D, Paredes-García V, Cardoso-Gil R, Schnelle W, Kniep R. Magnetic behavior of MnPS3 phases intercalated by [Zn2L]2+ (LH2: macrocyclic ligand obtained by condensation of 2-hydroxy-5-methyl-1,3-benzenedicarbaldehyde and 1,2-diaminobenzene). J SOLID STATE CHEM 2011. [DOI: 10.1016/j.jssc.2011.03.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Venegas-Yazigi D, Muñoz-Becerra K, Spodine E, Brown K, Aliaga C, Paredes-García V, Aguirre P, Vega A, Cardoso-Gil R, Schnelle W, Kniep R. Magnetic and catalytic properties of the 2D copper(II) functionalized VPO hybrid system [{Cu(bpy)}2(VO)3(PO4)2(HPO4)2]·2H2O. Polyhedron 2010. [DOI: 10.1016/j.poly.2010.05.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Sichevych O, Kohout M, Schnelle W, Borrmann H, Cardoso-Gil R, Schmidt M, Burkhardt U, Grin Y. EuTM2Ga8 (TM = Co, Rh, Ir) — A Contribution to the Chemistry of the CeFe2Al8-type Compounds. Inorg Chem 2009; 48:6261-70. [DOI: 10.1021/ic900573w] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- O. Sichevych
- Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Str. 40, 01187 Dresden, Germany
- Department of Chemistry, National University of Forestry and Wood Technology of Ukraine, General Chuprynka Str. 103, 79013 Lviv, Ukraine
| | - M. Kohout
- Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Str. 40, 01187 Dresden, Germany
| | - W. Schnelle
- Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Str. 40, 01187 Dresden, Germany
| | - H. Borrmann
- Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Str. 40, 01187 Dresden, Germany
| | - R. Cardoso-Gil
- Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Str. 40, 01187 Dresden, Germany
| | - M. Schmidt
- Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Str. 40, 01187 Dresden, Germany
| | - U. Burkhardt
- Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Str. 40, 01187 Dresden, Germany
| | - Yu. Grin
- Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Str. 40, 01187 Dresden, Germany
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9
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Mujica C, Jimenez D, Cardoso-Gil R. Crystal structure of tetraaquatris(perrhenate)cerium(III), Ce(ReO4)3(H2O)4. Z KRIST-NEW CRYST ST 2009. [DOI: 10.1524/ncrs.2009.224.14.387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Leithe-Jasper A, Cardoso-Gil R, Ramlau R, Burkhardt U. Crystal structure of tetraytterbium septarhodium hexaantimony, Yb4Rh7Sb6. Z KRIST-NEW CRYST ST 2006. [DOI: 10.1524/ncrs.2006.0062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Abstract Rh7Sb6Yb4, Im3̅m (no. 229), a = 8.6524(2) Å, V = 647.8 Å3, Z = 2, Rgt(F) = 0.011, wRref(F2) = 0.019, T = 293 K.
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Affiliation(s)
- A. Leithe-Jasper
- 1Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Str. 40, 01187 Dresden, Germany
| | - R. Cardoso-Gil
- 1Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Str. 40, 01187 Dresden, Germany
| | - R. Ramlau
- 1Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Str. 40, 01187 Dresden, Germany
| | - U. Burkhardt
- 1Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Str. 40, 01187 Dresden, Germany
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Abstract
Abstract EuGa2, orthorhombic, Imma (no. 74), a = 4.6459(3) Å, b = 7.6255(5) Å, c = 7.6379(3) Å, V = 270.6 Å3, Z = 4, Rgt(F) = 0.017, wRref(F) = 0.023, T = 293 K.
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Affiliation(s)
- O. Sichevych
- 1Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Str. 40, 01187 Dresden, Germany
- 2National University of Forestry and Wood Technology of Ukraine, General Chuprynky Street 105, 79013 Lviv, Ukraine
| | - R. Cardoso-Gil
- 1Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Str. 40, 01187 Dresden, Germany
| | - Yu. Grin
- 1Max-Planck-Institut für Chemische Physik fester Stoffe, Nöthnitzer Str. 40, 01187 Dresden, Germany
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12
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Leithe-Jasper A, Cardoso-Gil R, Ramlau R, Burkhardt U. Crystal structure of tetraytterbium septarhodium hexaantimony, Yb4Rh7Sb6. Z KRIST-NEW CRYST ST 2006. [DOI: 10.1524/ncrs.2006.221.14.255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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13
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Schmidt M, Ewald B, Prots Y, Cardoso-Gil R, Armbrüster M, Loa I, Zhang L, Huang YX, Schwarz U, Kniep R. Growth and Characterization of BPO4 Single Crystals. Z Anorg Allg Chem 2004. [DOI: 10.1002/zaac.200400002] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Cardoso-Gil R, Niewa R, Schmidt M, Armbrüster M, Hanfland M, Klementiev K, Schwarz U. Pressure-induced Changes of the Crystal Structure of Eu4P3. Z Anorg Allg Chem 2003. [DOI: 10.1002/zaac.200390074] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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