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Superconductivity Discovered in Niobium Polyhydride at High Pressures

Fuente: arXiv

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Détails bibliographiques
Auteurs principaux:	He, X., Zhang, C. L., Li, Z. W., Lu, K., Zhang, S. J., Min, B. S., Zhang, J., Shi, L. C., Feng, S. M., Liu, Q. Q., Song, J., Wang, X. C., Peng, Y., Wang, L. H., Prakapenka, V. B., Chariton, S., Liu, H. Z., Jin, C. Q.
Format:	Preprint
Publié:	2024
Sujets:	Superconductivity Materials Science Strongly Correlated Electrons
Accès en ligne:	Acceder al recurso
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_version_	1866913491871334400
author	He, X. Zhang, C. L. Li, Z. W. Lu, K. Zhang, S. J. Min, B. S. Zhang, J. Shi, L. C. Feng, S. M. Liu, Q. Q. Song, J. Wang, X. C. Peng, Y. Wang, L. H. Prakapenka, V. B. Chariton, S. Liu, H. Z. Jin, C. Q.
author_facet	He, X. Zhang, C. L. Li, Z. W. Lu, K. Zhang, S. J. Min, B. S. Zhang, J. Shi, L. C. Feng, S. M. Liu, Q. Q. Song, J. Wang, X. C. Peng, Y. Wang, L. H. Prakapenka, V. B. Chariton, S. Liu, H. Z. Jin, C. Q.
contents	Niobium polyhydride was synthesized at high pressure and high temperature conditions by using diamond anvil cell combined with in situ high pressure laser heating techniques. High pressure electric transport experiments demonstrate that superconducting transition occurs with critical temperature(Tc) 42 K at 187 GPa. The shift of Tc as function of external applied magnetic field is in consistent to the nature of superconductivity while the upper critical field at zero temperature Hc2(0) is estimated to~16.8 Tesla while the GL coherent length ~57 angstrom is estimated. The structure investigation using synchrotron radiation implies that the observed superconductivity may come from Fm-3m phase of NbH3.
format	Preprint
id	arxiv_https___arxiv_org_abs_2408_05726
institution	arXiv
publishDate	2024
record_format	arxiv
spellingShingle	Superconductivity Discovered in Niobium Polyhydride at High Pressures He, X. Zhang, C. L. Li, Z. W. Lu, K. Zhang, S. J. Min, B. S. Zhang, J. Shi, L. C. Feng, S. M. Liu, Q. Q. Song, J. Wang, X. C. Peng, Y. Wang, L. H. Prakapenka, V. B. Chariton, S. Liu, H. Z. Jin, C. Q. Superconductivity Materials Science Strongly Correlated Electrons Niobium polyhydride was synthesized at high pressure and high temperature conditions by using diamond anvil cell combined with in situ high pressure laser heating techniques. High pressure electric transport experiments demonstrate that superconducting transition occurs with critical temperature(Tc) 42 K at 187 GPa. The shift of Tc as function of external applied magnetic field is in consistent to the nature of superconductivity while the upper critical field at zero temperature Hc2(0) is estimated to~16.8 Tesla while the GL coherent length ~57 angstrom is estimated. The structure investigation using synchrotron radiation implies that the observed superconductivity may come from Fm-3m phase of NbH3.
title	Superconductivity Discovered in Niobium Polyhydride at High Pressures
topic	Superconductivity Materials Science Strongly Correlated Electrons
url	https://arxiv.org/abs/2408.05726