THIN-FILM PLATINUM RESISTANCE THERMOMETER FOR MEASUREMENTS IN HIGH MAGNETIC-FIELDS

被引：8
|
作者：
DIMITROV, DA [1 ]
TERZIJSKA, BM [1 ]
GUEVEZOV, V [1 ]
KOVACHEV, VT [1 ]
机构：
[1] BULGARIAN ACAD SCI,CENT LAB SOLAR ENERGY & NEW ENERGY SOURCES,BU-1784 SOFIA,BULGARIA
来源：
CRYOGENICS | 1990年 / 30卷 / 04期
关键词：
Chebyshev polynomials; magnetic fields; platinum resistance thermometers; thermometers;
D O I：
10.1016/0011-2275(90)90314-3
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The resistivity of thin platinum films at high magnetic fields (up to 140 kOe) was measured at 30 and 77 K. The films were deposited by magnetron sputtering on an Al2O3 substrate. A Chebyshev type polynomial description is also given, at zero magnetic field, of the function R(T) in the temperature range 10-300 K. The first derivative of this function is compared with that of a wire thermometer, model PT-103, offered by Lake Shore Cryotronics. It was determined that the sensitivity of the new sensors was better at temperatures below 100 K. © 1990.
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页码：348 / 350
页数：3
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