THERMOELECTRIC POWER OF METALLIC RB3C60: PHONON-DRAG AND CARRIER DIFFUSION CONTRIBUTIONS

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VARSHNEY DINESH; SINGH NAMITA

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Journal Paper

Paper Information

Journal: JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL) Year:2012 | Volume:6 | Issue:6 Page(s): 1-9

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Title

THERMOELECTRIC POWER OF METALLIC RB3C60: PHONON-DRAG AND CARRIER DIFFUSION CONTRIBUTIONS

Author(s)

VARSHNEY DINESH | SINGH NAMITA | Issue Writer Certificate

Keywords

RB3C60

THERMOELECTRIC POWER

PHONON DRAG

CARRIER DIFFUSION

INTERMOLECULAR PHONON

Abstract

Thermoelectric power (S) of Rb3C60 fullerides in the metallic phase is theoretically estimated. We first develop a Hamiltonian model that incorporates the scattering rates within the relaxation time approximation to estimate the phonon-drag THERMOELECTRIC POWER (Sph drag) incorporating the scattering of phonons with defects, electrons as carriers, grain boundaries, and phonon-phonon interactions. As a next step, Mott expression within parabolic band approximation is used to analyze the electron diffusive THERMOELECTRIC POWER (Sc diff) using Fermi energy as electron parameter, and Sc diff shows a linear temperature dependence. The Sph drag is nonzero in both normal and superconducting states. Its behavior is determined by competition among the several operating scattering rates for heat carriers and a balance between diffusive carrier and phonon-drag contributions. Acoustic phonons are effectively scattered by various scatterers for the THERMOELECTRIC POWER. S infers a change in slope above transition temperature and becomes almost linear above 70 K.

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APA: Copy

VARSHNEY, DINESH, & SINGH, NAMITA. (2012). THERMOELECTRIC POWER OF METALLIC RB₃C₆₀: PHONON-DRAG AND CARRIER DIFFUSION CONTRIBUTIONS. JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL), 6(6), 1-9. SID. https://sid.ir/paper/318730/en

Vancouver: Copy

VARSHNEY DINESH, SINGH NAMITA. THERMOELECTRIC POWER OF METALLIC RB₃C₆₀: PHONON-DRAG AND CARRIER DIFFUSION CONTRIBUTIONS. JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL)[Internet]. 2012;6(6):1-9. Available from: https://sid.ir/paper/318730/en

IEEE: Copy

DINESH VARSHNEY, and NAMITA SINGH, “THERMOELECTRIC POWER OF METALLIC RB₃C₆₀: PHONON-DRAG AND CARRIER DIFFUSION CONTRIBUTIONS,” JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL), vol. 6, no. 6, pp. 1–9, 2012, [Online]. Available: https://sid.ir/paper/318730/en

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