Thermal nucleation of the normal state in superheated superconducting tin grains | Zendy

H. Dubos | Zendy; T. A. Girard | Zendy; G. Waysand | Zendy; P. Perrier | Zendy; V. Jeudy | Zendy; D. Limagne | Zendy; Joao Seco | Zendy; J. I. Collar | Zendy

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Thermal nucleation of the normal state in superheated superconducting tin grains

Author(s) -

H. Dubos,

T. A. Girard,

G. Waysand,

P. Perrier,

V. Jeudy,

D. Limagne,

Joao Seco,

J. I. Collar

Publication year - 1998

Publication title -

physical review. b, condensed matter

Language(s) - English

Resource type - Journals

eISSN - 1095-3795

pISSN - 0163-1829

DOI - 10.1103/physrevb.58.6468

Subject(s) - superheating , condensed matter physics , superconductivity , nucleation , quasiparticle , materials science , phonon , tin , electron , relaxation (psychology) , diffusion , thermal , thermodynamics , physics , nuclear physics , metallurgy , psychology , social psychology

Suspensions of superheated type-I superconducting Sn microspheres of 16–25 and 10–25 mm diameters were irradiated at temperatures below 1 K and above 2 K by decay electrons from C and S, respectively. Measurements of the radiation-induced gaps in the superheating transition curves indicate a full heating of the smallest grain volume of each suspension, contrary to a partial heating model based on the difference between quasiparticle relaxation and diffusion rates in Sn. The phonons are in thermal equilibrium with the quasiparticles when the normal state is nucleated. @S0163-1829~98!05834-2#

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