Electrical and magnetic properties of single crystal [NEt4]2[CuII(mnt)2]

K. W. Plumlee; B. M. Hoffman; M. T. Ratajack; C. R. Kannewurf

doi:10.1016/0038-1098(74)91204-6

Electrical and magnetic properties of single crystal [NEt₄]₂[Cu^II(mnt)₂]

K. W. Plumlee^*, B. M. Hoffman, M. T. Ratajack, C. R. Kannewurf

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

We report electrical and magnetic studies of [NEt₄]₂[Cu^II(mnt)₂]. This crystal is composed of chains of theplanar [Cu^II(mnt)₂]^-2 anions (space group P1 and z = 1) which exhibit only weak magnetic interactions. The material behaves as a semiconductor; from 300-400°K the conductivity increases by six orders of magnitude and the resistivity values above 300°K are comparable to those of some of the better known wide band-gap inorganic semiconductors. In contrast with the behavior of other linear chain systems, at room temperature the conductivity along the chain (σ_∥) is less than that perpendicular to the chain (σ_⊥). As the temperature is increase, the anisotropy ratio, σ_∥/σ_⊥, becomes greater than unity and increases to 1.6 × 10² at 400°K.

Original language	English (US)
Pages (from-to)	1651-1654
Number of pages	4
Journal	Solid State Communications
Volume	15
Issue number	10
DOIs	https://doi.org/10.1016/0038-1098(74)91204-6
State	Published - Nov 15 1974

ASJC Scopus subject areas

Chemistry(all)
Condensed Matter Physics
Materials Chemistry

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title = "Electrical and magnetic properties of single crystal [NEt4]2[CuII(mnt)2]",

abstract = "We report electrical and magnetic studies of [NEt4]2[CuII(mnt)2]. This crystal is composed of chains of theplanar [CuII(mnt)2]-2 anions (space group P1 and z = 1) which exhibit only weak magnetic interactions. The material behaves as a semiconductor; from 300-400°K the conductivity increases by six orders of magnitude and the resistivity values above 300°K are comparable to those of some of the better known wide band-gap inorganic semiconductors. In contrast with the behavior of other linear chain systems, at room temperature the conductivity along the chain (σ∥) is less than that perpendicular to the chain (σ⊥). As the temperature is increase, the anisotropy ratio, σ∥/σ⊥, becomes greater than unity and increases to 1.6 × 102 at 400°K.",

author = "Plumlee, {K. W.} and Hoffman, {B. M.} and Ratajack, {M. T.} and Kannewurf, {C. R.}",

note = "Funding Information: (1) The material behaves as a semiconductor with both unusually large negative temperature coefficient{\textquoteright} of resistivity, and with resistivity values above 300°K comparable to those of some of the better-known wide band-gap inorganic semiconductors. Many linear- * This work was supported by the National Science Foundation, Grant GH33575, through the Materials Research Center, Northwestern University.",

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doi = "10.1016/0038-1098(74)91204-6",

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AU - Plumlee, K. W.

AU - Hoffman, B. M.

AU - Ratajack, M. T.

AU - Kannewurf, C. R.

N1 - Funding Information: (1) The material behaves as a semiconductor with both unusually large negative temperature coefficient’ of resistivity, and with resistivity values above 300°K comparable to those of some of the better-known wide band-gap inorganic semiconductors. Many linear- * This work was supported by the National Science Foundation, Grant GH33575, through the Materials Research Center, Northwestern University.

PY - 1974/11/15

Y1 - 1974/11/15

N2 - We report electrical and magnetic studies of [NEt4]2[CuII(mnt)2]. This crystal is composed of chains of theplanar [CuII(mnt)2]-2 anions (space group P1 and z = 1) which exhibit only weak magnetic interactions. The material behaves as a semiconductor; from 300-400°K the conductivity increases by six orders of magnitude and the resistivity values above 300°K are comparable to those of some of the better known wide band-gap inorganic semiconductors. In contrast with the behavior of other linear chain systems, at room temperature the conductivity along the chain (σ∥) is less than that perpendicular to the chain (σ⊥). As the temperature is increase, the anisotropy ratio, σ∥/σ⊥, becomes greater than unity and increases to 1.6 × 102 at 400°K.

AB - We report electrical and magnetic studies of [NEt4]2[CuII(mnt)2]. This crystal is composed of chains of theplanar [CuII(mnt)2]-2 anions (space group P1 and z = 1) which exhibit only weak magnetic interactions. The material behaves as a semiconductor; from 300-400°K the conductivity increases by six orders of magnitude and the resistivity values above 300°K are comparable to those of some of the better known wide band-gap inorganic semiconductors. In contrast with the behavior of other linear chain systems, at room temperature the conductivity along the chain (σ∥) is less than that perpendicular to the chain (σ⊥). As the temperature is increase, the anisotropy ratio, σ∥/σ⊥, becomes greater than unity and increases to 1.6 × 102 at 400°K.

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JO - Solid State Communications

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SN - 0038-1098

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Electrical and magnetic properties of single crystal [NEt₄]₂[Cu^II(mnt)₂]

Abstract

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