Fast cycle, wide temperature range a.c. susceptometer

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An a.c. susceptometer of simple design, operating from 4 K to room temperature is described. The sample can be easily replaced and cooled to 4 K in less than 1 h with low helium boil-off. Measuring coils are immersed in the cryogenic bath, so that a serious source of thermal drift voltage is avoided...

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Detalles Bibliográficos
Autores principales: Ferrari, H., Codner, G., Melgarejo, D.R., Levy, P., Acha, C., Bekeris, V.
Formato: JOUR
Materias:
a.c. susceptibility
cryostats
design considerations
Cooling
Cryostats
Dewars
Electric coils
Electric conductivity
Helium
Magnetic fields
Magnetic variables measurement
Superconducting magnets
Alternating current susceptibility
Alternating current susceptometer
Cryogenic bath
Helium boil off
Measuring coils
Mutual inductance
Thermal drift voltage
Magnetic measuring instruments
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00112275_v33_n11_p1037_Ferrari
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
Descripción
Sumario:An a.c. susceptometer of simple design, operating from 4 K to room temperature is described. The sample can be easily replaced and cooled to 4 K in less than 1 h with low helium boil-off. Measuring coils are immersed in the cryogenic bath, so that a serious source of thermal drift voltage is avoided. © 1993.

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