Superconductivity in titanium probed by AC magnetic susceptibility to 120 GPa

We used a highly sensitive AC magnetic susceptibility technique to probe superconductivity in elemental titanium (Ti) under extreme pressures to 120 GPa in a diamond anvil cell (DAC). The measurements reveal that the critical temperature ( T c ) of Ti rises monotonically with increasing pressure, re...

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Bibliographic Details
Published inChinese physics B Vol. 34; no. 4; pp. 47403 - 47405
Main Authors Song, Jing, Liu, Hongyu, Wang, Xiancheng, Jin, Changqing
Format Journal Article
LanguageEnglish
Published Chinese Physical Society and IOP Publishing Ltd 01.03.2025
Subjects
high pressure
superconductivity
susceptibility
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ISSN1674-1056
2058-3834
DOI10.1088/1674-1056/adb26e

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Summary:We used a highly sensitive AC magnetic susceptibility technique to probe superconductivity in elemental titanium (Ti) under extreme pressures to 120 GPa in a diamond anvil cell (DAC). The measurements reveal that the critical temperature ( T c ) of Ti rises monotonically with increasing pressure, reaching 6.1 K at 120 GPa. Our results confirm the bulk nature of the superconductivity in Ti, as evidenced by a robust diamagnetic response in the AC magnetic susceptibility. Our work provides a routine technique to probe Meissner effect of elemental superconductors at megabar pressures.
ISSN:1674-1056
2058-3834
DOI:10.1088/1674-1056/adb26e