Mechanical properties of FeSex superconductor
In the present work hardness and elastic modulus of FeSex superconductor are reported. Two different groups of polycrystalline samples were produced by a conventional solid-state reaction. One group presented superconductor behavior with TC<8K while another showed semiconducting behavior. Hardnes...
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Published in | Physica. C, Superconductivity Vol. 470; no. SUP1; pp. S411 - S412 |
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Main Authors | , , , , |
Format | Journal Article Conference Proceeding |
Language | English |
Published |
Amsterdam
Elsevier B.V
01.12.2010
Elsevier |
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Abstract | In the present work hardness and elastic modulus of FeSex superconductor are reported. Two different groups of polycrystalline samples were produced by a conventional solid-state reaction. One group presented superconductor behavior with TC<8K while another showed semiconducting behavior. Hardness and elastic modulus were 1.3GPa and 42GPa, respectively, for both groups. Also, no cracking was produced by indentations. This does not exclude this material have low fracture toughness as observed in other intermetallic compounds. |
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AbstractList | In the present work hardness and elastic modulus of FeSex superconductor are reported. Two different groups of polycrystalline samples were produced by a conventional solid-state reaction. One group presented superconductor behavior with TC<8K while another showed semiconducting behavior. Hardness and elastic modulus were 1.3GPa and 42GPa, respectively, for both groups. Also, no cracking was produced by indentations. This does not exclude this material have low fracture toughness as observed in other intermetallic compounds. |
Author | Jurelo, Alcione Roberto Júnior, Pedro Rodrigues Pimentel, Jorge Luiz Foerster, Carlos Eugênio Costa, Rosângela Menegotto |
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Keywords | FeSe Elastic modulus Polycrystalline Instrumented indentation Hardness Iron-based superconductor Superconducting transitions Polycrystals Mechanical properties Iron selenides Indentation Fracture toughness Superconductors Solid state reaction Semiconductivity |
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References | Oliver, Pharr (bib5) 1992; 7 Lee, Pardo, Pickett (bib3) 2008; 78 Bergmann, Vehoff (bib6) 1995; A192/193 Wu, Zhang, Zhang, Li, Ju, Lu, Li, Shen (bib2) 2008; 103 Z. Gao, L. Wang, Y. Qi, D. Wang, X. Zhang, Y. Ma, H. Yang, H. Wen, 2008. Preprint at . Hsu, Luo, Yeh, Chen, Huang, Wu, Lee, Huang, Chu, Yan, Wu (bib1) 2008; 105 |
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SubjectTerms | Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Elastic modulus Elasticity, elastic constants Exact sciences and technology FeSe Hardness Instrumented indentation Iron-based superconductor Mechanical and acoustical properties of condensed matter Mechanical and acoustical properties, elasticity, and ultrasonic attenuation Mechanical properties of solids Physics Polycrystalline Properties of type I and type II superconductors Superconductivity Tribology and hardness |
Title | Mechanical properties of FeSex superconductor |
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