Spin and charge transport in the X-ray irradiated quasi-2D layered compound: κ-(BEDT-TTF)2Cu[N(CN)2]Cl

Ágnes Antal; Titusz Fehér; Naoki Yoneyama; László Forró; Takahiko Sasaki; András Jánossy

doi:10.3390/cryst2020579

Spin and charge transport in the X-ray irradiated quasi-2D layered compound: κ-(BEDT-TTF)₂Cu[N(CN)₂]Cl

Ágnes Antal, Titusz Fehér, Naoki Yoneyama, László Forró, Takahiko Sasaki, András Jánossy

Institute for Materials Research (IMR)

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

3 Citations (Scopus)

Abstract

The interplane spin cross relaxation time T_x measured by high frequency ESR in X-ray irradiated κ-(BEDT-TTF)₂Cu[N(CN)₂]Cl is compared to the interplane resisitivity ρ_⊥and the in-plane resistivity ρ_II between 50 K and 250 K. The irradiation transforms the semiconductor behavior of the non-irradiated crystal into metallic. Irradiation decreases T_x, ρ_⊥ and ρ_II but the ratio T_x/ρ_⊥ and ρ_⊥/ρ_II remain unchanged between 50 and 250 K. Models describing the unusual defect concentration dependence in κ-(BEDT-TTF)₂Cu[N(CN)₂]Cl are discussed

Original language	English
Pages (from-to)	579-589
Number of pages	11
Journal	Crystals
Volume	2
Issue number	2
DOIs	https://doi.org/10.3390/cryst2020579
Publication status	Published - 2012 May 24

Keywords

Organic
Two dimensional
X-ray irradiation

ASJC Scopus subject areas

Chemical Engineering(all)
Materials Science(all)
Condensed Matter Physics
Inorganic Chemistry

Access to Document

10.3390/cryst2020579

Cite this

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title = "Spin and charge transport in the X-ray irradiated quasi-2D layered compound: κ-(BEDT-TTF)2Cu[N(CN)2]Cl",

abstract = "The interplane spin cross relaxation time Tx measured by high frequency ESR in X-ray irradiated κ-(BEDT-TTF)2Cu[N(CN)2]Cl is compared to the interplane resisitivity ρ⊥and the in-plane resistivity ρII between 50 K and 250 K. The irradiation transforms the semiconductor behavior of the non-irradiated crystal into metallic. Irradiation decreases Tx, ρ⊥ and ρII but the ratio Tx/ρ⊥ and ρ⊥/ρII remain unchanged between 50 and 250 K. Models describing the unusual defect concentration dependence in κ-(BEDT-TTF)2Cu[N(CN)2]Cl are discussed",

keywords = "Organic, Two dimensional, X-ray irradiation",

author = "{\'A}gnes Antal and Titusz Feh{\'e}r and Naoki Yoneyama and L{\'a}szl{\'o} Forr{\'o} and Takahiko Sasaki and Andr{\'a}s J{\'a}nossy",

year = "2012",

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doi = "10.3390/cryst2020579",

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T1 - Spin and charge transport in the X-ray irradiated quasi-2D layered compound

T2 - κ-(BEDT-TTF)2Cu[N(CN)2]Cl

AU - Antal, Ágnes

AU - Fehér, Titusz

AU - Yoneyama, Naoki

AU - Forró, László

AU - Sasaki, Takahiko

AU - Jánossy, András

PY - 2012/5/24

Y1 - 2012/5/24

N2 - The interplane spin cross relaxation time Tx measured by high frequency ESR in X-ray irradiated κ-(BEDT-TTF)2Cu[N(CN)2]Cl is compared to the interplane resisitivity ρ⊥and the in-plane resistivity ρII between 50 K and 250 K. The irradiation transforms the semiconductor behavior of the non-irradiated crystal into metallic. Irradiation decreases Tx, ρ⊥ and ρII but the ratio Tx/ρ⊥ and ρ⊥/ρII remain unchanged between 50 and 250 K. Models describing the unusual defect concentration dependence in κ-(BEDT-TTF)2Cu[N(CN)2]Cl are discussed

AB - The interplane spin cross relaxation time Tx measured by high frequency ESR in X-ray irradiated κ-(BEDT-TTF)2Cu[N(CN)2]Cl is compared to the interplane resisitivity ρ⊥and the in-plane resistivity ρII between 50 K and 250 K. The irradiation transforms the semiconductor behavior of the non-irradiated crystal into metallic. Irradiation decreases Tx, ρ⊥ and ρII but the ratio Tx/ρ⊥ and ρ⊥/ρII remain unchanged between 50 and 250 K. Models describing the unusual defect concentration dependence in κ-(BEDT-TTF)2Cu[N(CN)2]Cl are discussed

KW - Organic

KW - Two dimensional

KW - X-ray irradiation

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