NDLI: Electronic properties of isostructural molecular conductors (Ni (dddt) /sub 2/)/sub 3/ (HSO/sub 4/) /sub 2/ and (ET)/sub 3/ (HSO/sub 4/)/sub 2/. thermopower and tight binding calculations.

Content Provider	IEEE Xplore Digital Library
Author	Merzhanov, V.A. Hits, D.A. Yagubskii, E.B. Canadell, E.
Copyright Year	1994
Description	Author affiliation: Institute of Chemical Physics (Merzhanov, V.A.)
Abstract	Summary form only given. The thermopower vs temperature dependence of molecular conductors (Ni(dddt)2)3(HS04)2 and (ET)3(HS04)2 have been investigated. Their crystal structures differ only by substituting of central C=C fragment for Ni atom. While both compounds possess similar temperature dependences of resistivity (metal-insulator transition at 25 K and 125 K respectively) , S(T) dependences demonstrate a drastic difference. A peak at 25 K in (Ni(dddt)2)3(HS04)2 was shown to be manifestation of metal to semimetal phase transition, and the abrupt decrease at 125 K in (ET)3(HS04)2 is concerned with metal to insulator phase transition. Tight binding band structure and Fermi surface for both compounds have been calculated. Semimetal band structure was found in both cases. Difference of thermopower behaviour is qualitatively explained on basis of band structure calculations.
Starting Page	168
Ending Page	168
File Size	89814
Page Count	1
File Format	PDF
DOI	10.1109/STSM.1994.834952
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-07-24
Publisher Place	Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Temperature dependence Insulation Superconducting magnets Conductivity Conductors Metal-insulator structures Nuclear magnetic resonance Physics Chemicals Superconducting transition temperature
Content Type	Text
Resource Type	Article

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Electronic properties of isostructural molecular conductors (Ni (dddt)/sub 2/)/sub 3/(RSO/sub 4/)/sub 2/ and (ET)/sub 3/(HSO/sub 4/)/sub 2/, thermopower and tight binding calculations.

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Electronic properties of isostructural molecular conductors (Ni (dddt) /sub 2/)/sub 3/ (HSO/sub 4/) /sub 2/ and (ET)/sub 3/ (HSO/sub 4/)/sub 2/. thermopower and tight binding calculations.

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