TECHNIQUE FOR HIGH-PRESSURE ELECTRICAL CONDUCTIVITY MEASUREMENT IN DIAMOND ANVIL CELLS AT CRYOGENIC TEMPERATURES.
Author(s) : ERSKINE D., YU P. Y., MARTINEZ G.
Type of article: Article
Summary
A TECHNIQUE IS DESCRIBED FOR MAKING FOUR-PROBE ELECTRICAL CONDUCTIVITY MEASUREMENTS ON BULK SAMPLES IN A DIAMOND ANVIL CELL. THE TECHNIQUE HAS BEEN SUCCESSFULLY APPLIED UP TO 48 GPASCALS AND AT BELOW 4.2 K TO MEASURE THE SUPERCONDUCTING TRANSITION TEMPERATURES (T), OF LEAD, GALLIUM PHOSPHATE AND SILICON. A METHOD FOR ANALYZING THE RESISTANCE VERSUS TEMPERATURE CURVE IN THE VICINITY OF THE SUPERCONDUCTING TRANSITION IS ALSO DESCRIBED. THIS METHOD IS APPLIED TO DETERMINE THE PRESSURE DEPENDENCE OF T IN SILICON IN THE REGION WHERE T VARIES RAPIDLY WITH PRESSURE.
Details
- Original title: TECHNIQUE FOR HIGH-PRESSURE ELECTRICAL CONDUCTIVITY MEASUREMENT IN DIAMOND ANVIL CELLS AT CRYOGENIC TEMPERATURES.
- Record ID : 1987-1257
- Languages: English
- Source: Rev. sci. Instrum. - vol. 58 - n. 3
- Publication date: 1987
- Document available for consultation in the library of the IIR headquarters only.
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