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

Funding

(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.

ASJC Scopus subject areas

General Chemistry
Condensed Matter Physics
Materials Chemistry

Access to Document

10.1016/0038-1098(74)91204-6

Cite this

@article{69d2a49fdfb14d7794309a795347c9a5,

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.",

year = "1974",

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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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