Stress-induced metal-to-nonmetal transition in the quasi-one-dimensional superconductor Tl2Mo6Se6
G. X. Tessema, Y. T. Tseng, M. J. Skove, E. P. Stillwell, R. Brusetti, P. Monceau, M. Potel, P. Gougeon
DOI 10.1103/PhysRevB.43.3434 · Physical Review B
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Abstract
We report a study of the effect of uniaxial stress on the electrical properties of Tl2Mo6Se6. Stress suppresses the superconducting transition temperature and induces a metal-to-nonmetal phase transition. Nonlinear I-V characteristics and broadband noise measurements in the semiconducting phase suggest that the transition may be due to the formation of a charge-density or spin-density wave. A transition temperature Tp=15±3 K and energy gap Eg=57 K are deduced from resistance measurements in the nonmetallic state.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Tl2Mo6Se6 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 3 | Pressure not reported | onset |
| Tl2Mo6Se6 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 7 | Pressure not reported | onset |
| Tl2Mo6Se6 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 7 | Pressure not reported | onset |
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