The retention at ambient of the high-pressure-induced metastable superconducting phases in antimony single crystals

Z. Wu; L. Z. Deng; M. Gooch; S. Huyan; C. W. Chu

doi:10.1016/j.mtphys.2020.100291

The retention at ambient of the high-pressure-induced metastable superconducting phases in antimony single crystals

Z. Wu, L. Z. Deng, M. Gooch, S. Huyan, C. W. Chu

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Abstract

We have investigated, resistively, non-superconducting single-crystalline antimony and detected several structural transitions under pressures up to 63 GPa. Superconductivity associated with the m-HGL phase with a superconducting transition temperature (T_c) of 3.4 K above ~ 9 GPa and the bcc phase with a T_c of 4.0 K above ~ 30 GPa have been successfully retained up to 135 K and 110 K, respectively, upon the complete and rapid removal of pressure at 77 K. The observations offer a possible path to retain at ambient the pressure-induced metastable superconducting phase in HgBa₂Ca₂Cu₃O_8+δ with a T_c of 164 K under ~31 GPa and in LaH₁₀ with a T_c of ~260 K under ~200 GPa, which would make their applications practical by removing the serious high-pressure constraint. The same is also true for superconducting topological devices using antimony.

Original language	English
Article number	100291
Journal	Materials Today Physics
Volume	15
DOIs	https://doi.org/10.1016/j.mtphys.2020.100291
Publication status	Published - 2020 Dec

All Science Journal Classification (ASJC) codes

General Materials Science
Energy (miscellaneous)
Physics and Astronomy (miscellaneous)

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title = "The retention at ambient of the high-pressure-induced metastable superconducting phases in antimony single crystals",

abstract = "We have investigated, resistively, non-superconducting single-crystalline antimony and detected several structural transitions under pressures up to 63 GPa. Superconductivity associated with the m-HGL phase with a superconducting transition temperature (Tc) of 3.4 K above ~ 9 GPa and the bcc phase with a Tc of 4.0 K above ~ 30 GPa have been successfully retained up to 135 K and 110 K, respectively, upon the complete and rapid removal of pressure at 77 K. The observations offer a possible path to retain at ambient the pressure-induced metastable superconducting phase in HgBa2Ca2Cu3O8+δ with a Tc of 164 K under ~31 GPa and in LaH10 with a Tc of ~260 K under ~200 GPa, which would make their applications practical by removing the serious high-pressure constraint. The same is also true for superconducting topological devices using antimony.",

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T1 - The retention at ambient of the high-pressure-induced metastable superconducting phases in antimony single crystals

AU - Wu, Z.

AU - Deng, L. Z.

AU - Gooch, M.

AU - Huyan, S.

AU - Chu, C. W.

PY - 2020/12

Y1 - 2020/12

N2 - We have investigated, resistively, non-superconducting single-crystalline antimony and detected several structural transitions under pressures up to 63 GPa. Superconductivity associated with the m-HGL phase with a superconducting transition temperature (Tc) of 3.4 K above ~ 9 GPa and the bcc phase with a Tc of 4.0 K above ~ 30 GPa have been successfully retained up to 135 K and 110 K, respectively, upon the complete and rapid removal of pressure at 77 K. The observations offer a possible path to retain at ambient the pressure-induced metastable superconducting phase in HgBa2Ca2Cu3O8+δ with a Tc of 164 K under ~31 GPa and in LaH10 with a Tc of ~260 K under ~200 GPa, which would make their applications practical by removing the serious high-pressure constraint. The same is also true for superconducting topological devices using antimony.

AB - We have investigated, resistively, non-superconducting single-crystalline antimony and detected several structural transitions under pressures up to 63 GPa. Superconductivity associated with the m-HGL phase with a superconducting transition temperature (Tc) of 3.4 K above ~ 9 GPa and the bcc phase with a Tc of 4.0 K above ~ 30 GPa have been successfully retained up to 135 K and 110 K, respectively, upon the complete and rapid removal of pressure at 77 K. The observations offer a possible path to retain at ambient the pressure-induced metastable superconducting phase in HgBa2Ca2Cu3O8+δ with a Tc of 164 K under ~31 GPa and in LaH10 with a Tc of ~260 K under ~200 GPa, which would make their applications practical by removing the serious high-pressure constraint. The same is also true for superconducting topological devices using antimony.

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The retention at ambient of the high-pressure-induced metastable superconducting phases in antimony single crystals

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