Thermoelectric power of nickel and ytterbium at high pressure: A comparative study

N. V. Chandra Shekar; J. F. Meng; D. A. Polvani; J. V. Badding

doi:10.1016/S0038-1098(00)00359-8

Thermoelectric power of nickel and ytterbium at high pressure: A comparative study

N. V. Chandra Shekar, J. F. Meng, D. A. Polvani, J. V. Badding

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Abstract

The thermoelectric power (TEP) of Ni and Yb have been investigated up to 10 and 7 GPa, respectively, with a new laser-heated diamond anvil cell technique. Ni exhibits free electron-like behavior that can be explained by the Mott expression for thermopower. A small decrease in the TEP is observed in the pressure range 2-3 GPa. There are variations in the TEP of Yb as a function of pressure that correlate with previously observed structural phase transitions. The increase in TEP of Yb in the metallic bcc phase is understood from the increase in the Hubbard coulomb correlation energy.

Original language	English (US)
Pages (from-to)	443-445
Number of pages	3
Journal	Solid State Communications
Volume	116
Issue number	8
DOIs	https://doi.org/10.1016/S0038-1098(00)00359-8
State	Published - Oct 20 2000

All Science Journal Classification (ASJC) codes

General Chemistry
Condensed Matter Physics
Materials Chemistry

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10.1016/S0038-1098(00)00359-8

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title = "Thermoelectric power of nickel and ytterbium at high pressure: A comparative study",

abstract = "The thermoelectric power (TEP) of Ni and Yb have been investigated up to 10 and 7 GPa, respectively, with a new laser-heated diamond anvil cell technique. Ni exhibits free electron-like behavior that can be explained by the Mott expression for thermopower. A small decrease in the TEP is observed in the pressure range 2-3 GPa. There are variations in the TEP of Yb as a function of pressure that correlate with previously observed structural phase transitions. The increase in TEP of Yb in the metallic bcc phase is understood from the increase in the Hubbard coulomb correlation energy.",

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T2 - A comparative study

AU - Chandra Shekar, N. V.

AU - Meng, J. F.

AU - Polvani, D. A.

AU - Badding, J. V.

PY - 2000/10/20

Y1 - 2000/10/20

N2 - The thermoelectric power (TEP) of Ni and Yb have been investigated up to 10 and 7 GPa, respectively, with a new laser-heated diamond anvil cell technique. Ni exhibits free electron-like behavior that can be explained by the Mott expression for thermopower. A small decrease in the TEP is observed in the pressure range 2-3 GPa. There are variations in the TEP of Yb as a function of pressure that correlate with previously observed structural phase transitions. The increase in TEP of Yb in the metallic bcc phase is understood from the increase in the Hubbard coulomb correlation energy.

AB - The thermoelectric power (TEP) of Ni and Yb have been investigated up to 10 and 7 GPa, respectively, with a new laser-heated diamond anvil cell technique. Ni exhibits free electron-like behavior that can be explained by the Mott expression for thermopower. A small decrease in the TEP is observed in the pressure range 2-3 GPa. There are variations in the TEP of Yb as a function of pressure that correlate with previously observed structural phase transitions. The increase in TEP of Yb in the metallic bcc phase is understood from the increase in the Hubbard coulomb correlation energy.

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JO - Solid State Communications

JF - Solid State Communications

IS - 8

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Thermoelectric power of nickel and ytterbium at high pressure: A comparative study

Abstract

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