Journal
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS
Volume 248, Issue 5, Pages 1162-1165Publisher
WILEY-BLACKWELL
DOI: 10.1002/pssb.201001106
Keywords
carrier concentration; diamond anvil cell; in situ Hall effect
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Funding
- National Natural Science Foundation of China [10874053, 11074094, 50802033, 91014004]
- National Basic Research Program of China [2011CB808204]
- PCSIRT [IRT0625]
- National Found for Fostering Talents of Basic Science [J0730311]
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Carrier behavior of CaB6 powders was investigated by using in situHall effect measurement under high pressure and resistivity property was detected under low temperature with microcircuit fabricated on diamond anvil cell. Carrier behavior was analyzed by carrier concentration and Hall coefficient. The variation of defects in the grain boundary region lead the carrier concentration and the Hall coefficient in the decompression process are much lower than that in the compression process. The resistivity depended temperature at various pressures indicated that CaB6 has a typical metallic behavior under high pressure. (C) 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
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