Metastable superconductivity below Tc2 in single-crystal HoMo6S8

Y. Koike; T. Fukase; N. Kobayashi; S. Hosoya; H. Takei

doi:10.1016/0378-4363(87)90170-7

Metastable superconductivity below T_c2 in single-crystal HoMo₆S₈

Y. Koike, T. Fukase, N. Kobayashi, S. Hosoya, H. Takei

ENG - Applied Physics

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

The ac susceptibility and electrical resistivity of single-crystal HoMo₆S₈ have been measured to study the metastable superconductivity quenched by rapid cooling down to a low temperature below T_c2. Time development of the ac susceptibility from the quenched superconducting state to the normal ferromagnetic state is explained by the nucleation and growth model at first-order phase transitions. Its relaxation time is approximately proportional to T^-6.7 exp(-H/H₀) in low magnetic fields at low temperatures. The quenched superconductivity is also destroyed anisotropically by magnetic field. Hysteresis in the resistivity in the magnetic field sweep and magnetic-field-induced zero-resistance state are discussed, considering dynamics of ferromagnetic domains.

Original language	English
Pages (from-to)	106-112
Number of pages	7
Journal	Physica B+C
Volume	148
Issue number	1-3
DOIs	https://doi.org/10.1016/0378-4363(87)90170-7
Publication status	Published - 1987 Dec

ASJC Scopus subject areas

Engineering(all)

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title = "Metastable superconductivity below Tc2 in single-crystal HoMo6S8",

abstract = "The ac susceptibility and electrical resistivity of single-crystal HoMo6S8 have been measured to study the metastable superconductivity quenched by rapid cooling down to a low temperature below Tc2. Time development of the ac susceptibility from the quenched superconducting state to the normal ferromagnetic state is explained by the nucleation and growth model at first-order phase transitions. Its relaxation time is approximately proportional to T-6.7 exp(-H/H0) in low magnetic fields at low temperatures. The quenched superconductivity is also destroyed anisotropically by magnetic field. Hysteresis in the resistivity in the magnetic field sweep and magnetic-field-induced zero-resistance state are discussed, considering dynamics of ferromagnetic domains.",

author = "Y. Koike and T. Fukase and N. Kobayashi and S. Hosoya and H. Takei",

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T1 - Metastable superconductivity below Tc2 in single-crystal HoMo6S8

AU - Koike, Y.

AU - Fukase, T.

AU - Kobayashi, N.

AU - Hosoya, S.

AU - Takei, H.

PY - 1987/12

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N2 - The ac susceptibility and electrical resistivity of single-crystal HoMo6S8 have been measured to study the metastable superconductivity quenched by rapid cooling down to a low temperature below Tc2. Time development of the ac susceptibility from the quenched superconducting state to the normal ferromagnetic state is explained by the nucleation and growth model at first-order phase transitions. Its relaxation time is approximately proportional to T-6.7 exp(-H/H0) in low magnetic fields at low temperatures. The quenched superconductivity is also destroyed anisotropically by magnetic field. Hysteresis in the resistivity in the magnetic field sweep and magnetic-field-induced zero-resistance state are discussed, considering dynamics of ferromagnetic domains.

AB - The ac susceptibility and electrical resistivity of single-crystal HoMo6S8 have been measured to study the metastable superconductivity quenched by rapid cooling down to a low temperature below Tc2. Time development of the ac susceptibility from the quenched superconducting state to the normal ferromagnetic state is explained by the nucleation and growth model at first-order phase transitions. Its relaxation time is approximately proportional to T-6.7 exp(-H/H0) in low magnetic fields at low temperatures. The quenched superconductivity is also destroyed anisotropically by magnetic field. Hysteresis in the resistivity in the magnetic field sweep and magnetic-field-induced zero-resistance state are discussed, considering dynamics of ferromagnetic domains.

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