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Titolo:
High magnetic field corrections to resistance thermometers at low temperatures
Autore:
Zhang, B; Brooks, JS; Perenboom, JAAJ; Han, SY; Qualls, JS;
Indirizzi:
Boston Coll, Dept Phys, Chestnut Hill, MA 02167 USA Boston Coll Chestnut Hill MA USA 02167 Phys, Chestnut Hill, MA 02167 USA Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32310 USA Florida State Univ Tallahassee FL USA 32310 ab, Tallahassee, FL 32310 USA Univ Nijmegen, High Field Magnet Lab, Nijmegen, Netherlands Univ NijmegenNijmegen Netherlands ld Magnet Lab, Nijmegen, Netherlands
Titolo Testata:
REVIEW OF SCIENTIFIC INSTRUMENTS
fascicolo: 4, volume: 70, anno: 1999,
pagine: 2026 - 2030
SICI:
0034-6748(199904)70:4<2026:HMFCTR>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
THICK-FILM RESISTORS; CHIP RESISTORS; MAGNETORESISTANCE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
Citazioni:
14
Recensione:
Indirizzi per estratti:
Indirizzo: Zhang, B Boston Coll, Dept Phys, Chestnut Hill, MA 02167 USA Boston Coll Chestnut Hill MA USA 02167 estnut Hill, MA 02167 USA
Citazione:
B. Zhang et al., "High magnetic field corrections to resistance thermometers at low temperatures", REV SCI INS, 70(4), 1999, pp. 2026-2030

Abstract

We present a reliable method to account for the magnetoresistance of resistance sensors which are used as thermometers in many low temperature (T less than or equal to 20 K) experiments carried out in high magnetic fields (to 31 T). To apply the method, a set of isothermal magnetoresistance data, and a zero magnetic field temperature calibration are first necessary. A simple algorithm, which uses this data set, can then be applied to compute thetemperature from the measured resistance at any field. The method is particularly useful for temperature dependent measurements at fixed field, or where, in cases where the temperature may change unpredictably during a change in magnetic field. We apply this method to the treatment of data in two separate experiments with the two different thermometers, RuO2 (below 1 K) and Cernox (above 1 K) sensors, respectively. (C) 1999 American Institute ofPhysics. [S0034-6748(99)02404-1].

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Documento generato il 01/04/20 alle ore 11:24:35