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Variable temperature insert for a.c. susceptibility measurements at a.c. field amplitudes up to 0.1 T

✍ Scribed by F. Gömöry; P. Lobotka; K. Fröhlich

Publisher: Elsevier Science
Year: 1994
Tongue: English
Weight: 170 KB
Volume: 34
Category: Article
ISSN: 0011-2275
DOI: 10.1016/0011-2275(94)90070-1

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✦ Synopsis

An insert for a.c. susceptibility measurements on high Tc superconductors was constructed which, in the temperature interval 80-115K allows one to set sample temperature by combining rapid response (>1 Kmin -1) with high stability (within __.0.01 K). The copper coil involved, immersed in liquid nitrogen and fed by a 20W power amplifier, can generate a.c. fields with an amplitude of 1 mT at 100kHz or 100mT at 100 Hz. The simple construction and low costs are further advantages of the model.

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