Simple microcalorimeter for measuring microgram samples at low temperatures

被引：13

作者：

Doettinger-Zech, SG ^{[1
]}

Uhl, M ^{[1
]}

Sisson, DL ^{[1
]}

Kapitulnik, A ^{[1
]}

机构：

[1] Stanford Univ, Dept Appl Phys, Ginzton Lab, Stanford, CA 94305 USA

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2001年 / 72卷 / 05期

关键词：

D O I：

10.1063/1.1355263

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

An innovative microcalorimeter has been developed for measuring specific heat of very small microgram samples in the temperature range from 1.5 to 50 K and in magnetic fields up to 11 T. The device is built from a commercial sapphire temperature chip (Cernox), which is modified by means of standard microfabrication techniques and which is used as a sample holder, temperature sensor, and sample heater. Compared to existing microcalorimeters the simple design of our instrument allows a fabrication of the device in a few process steps by using facilities present in a standard laboratory clean room. As an illustrative example for the performance of our device, the specific heat of an underdoped (La1-xSrx)(2)CuO4 and CaRuO3 single crystal has been measured by means of the relaxation time method as well as the ac method. (C) 2001 American Institute of Physics.

引用

页码：2398 / 2406

页数：9

共 27 条

[1]

ATAKE T, 1988, PHYS REV B, V37, P522

[2] OPTICAL PROPERTIES AND SUPERCONDUCTIVITY OF NBSE2 [J].

BACHMANN, R ;

KIRSCH, HC ;

GEBALLE, TH .

SOLID STATE COMMUNICATIONS, 1971, 9 (01) :57-&

[3]

BACHMANN R, 1970, REV SCI INSTRUM, V41, P546

[4]

CAVA RJ, CARUC3

[5] THIN-FILM MICROCALORIMETER FOR HEAT-CAPACITY MEASUREMENTS FROM 1.5-K TO 800-K [J].

DENLINGER, DW ;

ABARRA, EN ;

ALLEN, K ;

ROONEY, PW ;

MESSER, MT ;

WATSON, SK ;

HELLMAN, F .

REVIEW OF SCIENTIFIC INSTRUMENTS, 1994, 65 (04) :946-958

[6] THIN-FILM PLATINUM RESISTANCE THERMOMETER FOR MEASUREMENTS IN HIGH MAGNETIC-FIELDS [J].

DIMITROV, DA ;

TERZIJSKA, BM ;

GUEVEZOV, V ;

KOVACHEV, VT .

CRYOGENICS, 1990, 30 (04) :348-350

[7] A SILICON ON SAPPHIRE THERMOMETER FOR SMALL SAMPLE LOW-TEMPERATURE CALORIMETRY [J].

EARLY, SR ;

HELLMAN, F ;

MARSHALL, J ;

GEBALLE, TH .

PHYSICA B & C, 1981, 107 (1-3) :327-328

[8]

EARLY SR, 1981, THESIS STANFORD U

[9] Nanocalorimeter for high resolution measurements of low temperature heat capacities of thin films and single crystals [J].

Fominaya, F ;

Fournier, T ;

Gandit, P ;

Chaussy, J .

REVIEW OF SCIENTIFIC INSTRUMENTS, 1997, 68 (11) :4191-4195

[10] MODULATED-BATH CALORIMETRY [J].

GRAEBNER, JE .

REVIEW OF SCIENTIFIC INSTRUMENTS, 1989, 60 (06) :1123-1128

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