CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Anomalous anisotropic compression behavior of superconducting CrAs under high pressure
Yu, ZH; Wu, W; Hu, QY; Zhao, JG; Li, CY; Yang, K; Cheng, JG; Luo, JL; Wang, L; Mao, HK; Wang, L (reprint author), Ctr High Pressure Sci & Technol Adv Res, Shanghai 201203, Peoples R China.
2015
Source PublicationPROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
ISSN0027-8424
Volume112Issue:48Pages:14766—14770
Subtype期刊文献
AbstractCrAs was observed to possess the bulk superconductivity under high-pressure conditions. To understand the superconducting mechanism and explore the correlation between the structure and superconductivity, the high-pressure structural evolution of CrAs was investigated using the angle-dispersive X-ray diffraction (XRD) method. The structure of CrAs remains stable up to 1.8 GPa, whereas the lattice parameters exhibit anomalous compression behaviors. With increasing pressure, the lattice parameters a and c both demonstrate a nonmonotonic change, and the lattice parameter b undergoes a rapid contraction at similar to 0.18-0.35 GPa, which suggests that a pressure-induced isostructural phase transition occurs in CrAs. Above the phase transition pressure, the axial compressibilities of CrAs present remarkable anisotropy. A schematic band model was used to address the anomalous compression behavior of CrAs. The present results shed light on the structural and related electronic responses to high pressure, which play a key role toward understanding the superconductivity of CrAs.
KeywordPhase-transition Magnetic-properties 43 k Pnictide Crystal Feas Mnas
Indexed BySCI
Language英语
WOS IDWOS:000365988900030
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/24865
Collection中科院上海应用物理研究所2011-2019年
Corresponding AuthorWang, L (reprint author), Ctr High Pressure Sci & Technol Adv Res, Shanghai 201203, Peoples R China.
Recommended Citation
GB/T 7714
Yu, ZH,Wu, W,Hu, QY,et al. Anomalous anisotropic compression behavior of superconducting CrAs under high pressure[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,2015,112(48):14766—14770.
APA Yu, ZH.,Wu, W.,Hu, QY.,Zhao, JG.,Li, CY.,...&Wang, L .(2015).Anomalous anisotropic compression behavior of superconducting CrAs under high pressure.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,112(48),14766—14770.
MLA Yu, ZH,et al."Anomalous anisotropic compression behavior of superconducting CrAs under high pressure".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 112.48(2015):14766—14770.
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