Pressure-induced isostructural phase transition and correlation of FeAs coordination with the superconducting properties of 111-Type Na 1-xFeAs

Qingqing Liu; Xiaohui Yu; Xiancheng Wang; Zheng Deng; Yuxi Lv; Jinlong Zhu; Sijia Zhang; Haozhe Liu; Wenge Yang; Lin Wang; Hokwang Mao; Guoyin Shen; Zhong-Yi Lu; Yang Ren; Zhiqiang Chen; Zhijun Lin; Yusheng Zhao; Changqing Jin

doi:10.1021/ja2009949

Pressure-induced isostructural phase transition and correlation of FeAs coordination with the superconducting properties of 111-Type Na _1-xFeAs

Qingqing Liu
, Xiaohui Yu
, Xiancheng Wang
, Zheng Deng
, Yuxi Lv
, Jinlong Zhu
, Sijia Zhang
, Haozhe Liu
, Wenge Yang
, Lin Wang
, Hokwang Mao
, Guoyin Shen
, Zhong-Yi Lu
, Yang Ren
, Zhiqiang Chen
, Zhijun Lin
, Yusheng Zhao
, Changqing Jin

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

62 Citations (Scopus)

Abstract

The effect of pressure on the crystalline structure and superconducting transition temperature (T_c) of the 111-type Na_1-xFeAs system using in situ high-pressure synchrotron X-ray powder diffraction and diamond anvil cell techniques is studied. A pressure-induced tetragonal to tetragonal isostructural phase transition was found. The systematic evolution of the FeAs₄ tetrahedron as a function of pressure based on Rietveld refinements on the powder X-ray diffraction patterns was obtained. The nonmonotonic T_c(P) behavior of Na_1-xFeAs is found to correlate with the anomalies of the distance between the anion (As) and the iron layer as well as the bond angle of As-Fe-As for the two tetragonal phases. This behavior provides the key structural information in understanding the origin of the pressure dependence of T_c for 111-type iron pnictide superconductors. A pressure-induced structural phase transition is also observed at 20 GPa. © 2011 American Chemical Society.

Original language	English
Pages (from-to)	7892-7896
Journal	Journal of the American Chemical Society
Volume	133
Issue number	20
DOIs	https://doi.org/10.1021/ja2009949
Publication status	Published - 25 May 2011
Externally published	Yes

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Liu, Q., Yu, X., Wang, X., Deng, Z., Lv, Y., Zhu, J., Zhang, S., Liu, H., Yang, W., Wang, L., Mao, H., Shen, G., Lu, Z.-Y., Ren, Y., Chen, Z., Lin, Z., Zhao, Y., & Jin, C. (2011). Pressure-induced isostructural phase transition and correlation of FeAs coordination with the superconducting properties of 111-Type Na _1-xFeAs. Journal of the American Chemical Society, 133(20), 7892-7896. https://doi.org/10.1021/ja2009949

@article{164734148cb6492a93e66039246054d9,

title = "Pressure-induced isostructural phase transition and correlation of FeAs coordination with the superconducting properties of 111-Type Na 1-xFeAs",

abstract = "The effect of pressure on the crystalline structure and superconducting transition temperature (Tc) of the 111-type Na1-xFeAs system using in situ high-pressure synchrotron X-ray powder diffraction and diamond anvil cell techniques is studied. A pressure-induced tetragonal to tetragonal isostructural phase transition was found. The systematic evolution of the FeAs4 tetrahedron as a function of pressure based on Rietveld refinements on the powder X-ray diffraction patterns was obtained. The nonmonotonic Tc(P) behavior of Na1-xFeAs is found to correlate with the anomalies of the distance between the anion (As) and the iron layer as well as the bond angle of As-Fe-As for the two tetragonal phases. This behavior provides the key structural information in understanding the origin of the pressure dependence of Tc for 111-type iron pnictide superconductors. A pressure-induced structural phase transition is also observed at 20 GPa. {\textcopyright} 2011 American Chemical Society.",

author = "Qingqing Liu and Xiaohui Yu and Xiancheng Wang and Zheng Deng and Yuxi Lv and Jinlong Zhu and Sijia Zhang and Haozhe Liu and Wenge Yang and Lin Wang and Hokwang Mao and Guoyin Shen and Zhong-Yi Lu and Yang Ren and Zhiqiang Chen and Zhijun Lin and Yusheng Zhao and Changqing Jin",

note = "Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected]. ",

year = "2011",

month = may,

day = "25",

doi = "10.1021/ja2009949",

language = "English",

volume = "133",

pages = "7892--7896",

journal = "Journal of the American Chemical Society",

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Liu, Q, Yu, X, Wang, X, Deng, Z, Lv, Y, Zhu, J, Zhang, S, Liu, H, Yang, W, Wang, L, Mao, H, Shen, G, Lu, Z-Y, Ren, Y, Chen, Z, Lin, Z, Zhao, Y & Jin, C 2011, 'Pressure-induced isostructural phase transition and correlation of FeAs coordination with the superconducting properties of 111-Type Na _1-xFeAs', Journal of the American Chemical Society, vol. 133, no. 20, pp. 7892-7896. https://doi.org/10.1021/ja2009949

Pressure-induced isostructural phase transition and correlation of FeAs coordination with the superconducting properties of 111-Type Na _1-xFeAs. / Liu, Qingqing; Yu, Xiaohui; Wang, Xiancheng et al.
In: Journal of the American Chemical Society, Vol. 133, No. 20, 25.05.2011, p. 7892-7896.

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

TY - JOUR

T1 - Pressure-induced isostructural phase transition and correlation of FeAs coordination with the superconducting properties of 111-Type Na 1-xFeAs

AU - Liu, Qingqing

AU - Yu, Xiaohui

AU - Wang, Xiancheng

AU - Deng, Zheng

AU - Lv, Yuxi

AU - Zhu, Jinlong

AU - Zhang, Sijia

AU - Liu, Haozhe

AU - Yang, Wenge

AU - Wang, Lin

AU - Mao, Hokwang

AU - Shen, Guoyin

AU - Lu, Zhong-Yi

AU - Ren, Yang

AU - Chen, Zhiqiang

AU - Lin, Zhijun

AU - Zhao, Yusheng

AU - Jin, Changqing

N1 - Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

PY - 2011/5/25

Y1 - 2011/5/25

N2 - The effect of pressure on the crystalline structure and superconducting transition temperature (Tc) of the 111-type Na1-xFeAs system using in situ high-pressure synchrotron X-ray powder diffraction and diamond anvil cell techniques is studied. A pressure-induced tetragonal to tetragonal isostructural phase transition was found. The systematic evolution of the FeAs4 tetrahedron as a function of pressure based on Rietveld refinements on the powder X-ray diffraction patterns was obtained. The nonmonotonic Tc(P) behavior of Na1-xFeAs is found to correlate with the anomalies of the distance between the anion (As) and the iron layer as well as the bond angle of As-Fe-As for the two tetragonal phases. This behavior provides the key structural information in understanding the origin of the pressure dependence of Tc for 111-type iron pnictide superconductors. A pressure-induced structural phase transition is also observed at 20 GPa. © 2011 American Chemical Society.

AB - The effect of pressure on the crystalline structure and superconducting transition temperature (Tc) of the 111-type Na1-xFeAs system using in situ high-pressure synchrotron X-ray powder diffraction and diamond anvil cell techniques is studied. A pressure-induced tetragonal to tetragonal isostructural phase transition was found. The systematic evolution of the FeAs4 tetrahedron as a function of pressure based on Rietveld refinements on the powder X-ray diffraction patterns was obtained. The nonmonotonic Tc(P) behavior of Na1-xFeAs is found to correlate with the anomalies of the distance between the anion (As) and the iron layer as well as the bond angle of As-Fe-As for the two tetragonal phases. This behavior provides the key structural information in understanding the origin of the pressure dependence of Tc for 111-type iron pnictide superconductors. A pressure-induced structural phase transition is also observed at 20 GPa. © 2011 American Chemical Society.

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U2 - 10.1021/ja2009949

DO - 10.1021/ja2009949

M3 - RGC 21 - Publication in refereed journal

SN - 0002-7863

VL - 133

SP - 7892

EP - 7896

JO - Journal of the American Chemical Society

JF - Journal of the American Chemical Society

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