Publication

Measurement of interlayer spin diffusion in the organic conductor kappa-(BEDT-TTF)(2)Cu[N(CN)(2)]X, X = Cl, Br

2010
Conference Papers

Abstract

In organic conductors the overlap integral between layers is small In-plane momentum scattering is rapid and transport perpendicular to the layers is expected to be blocked We present a high frequency conduction electron spin resonance (CESR) study in the layered organic metals kappa-(BEDT-TTF)(2)Cu[N(CN)(2)]X, X = Cl Br which verifies that the inter-layer spin hopping is effectively blocked The method relies on resolving the CESR lines of adjacent layers in which the orientation of the g-factor tensors differs We find that at ambient pressure and in the metallic phase the electron spin diffusion is two dimensional in both the X = Cl and Br compounds i e electrons diffuse longer than the spin lifetime within a single molecular layer without inter-layer hopping Application of pressure at 250 K Increases rapidly the inter-layer hopping rate of spins (C) 2009 Elsevier B V All rights reserved

Official source

https://infoscience.epfl.ch/entities/publication/fb01a6f5-d444-4df8-9107-f98d4a791c12

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2010
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/fb01a6f5-d444-4df8-9107-f98d4a791c12

About this result

Related concepts (32)

Spintronics

Spintronics (a portmanteau meaning spin transport electronics), also known as spin electronics, is the study of the intrinsic spin of the electron and its associated magnetic moment, in addition to its fundamental electronic charge, in solid-state devices. The field of spintronics concerns spin-charge coupling in metallic systems; the analogous effects in insulators fall into the field of multiferroics.

Metallic bonding

Metallic bonding is a type of chemical bonding that arises from the electrostatic attractive force between conduction electrons (in the form of an electron cloud of delocalized electrons) and positively charged metal ions. It may be described as the sharing of free electrons among a structure of positively charged ions (cations). Metallic bonding accounts for many physical properties of metals, such as strength, ductility, thermal and electrical resistivity and conductivity, opacity, and luster.

Metal

A metal (from Ancient Greek μέταλλον métallon 'mine, quarry, metal') is a material that, when freshly prepared, polished, or fractured, shows a lustrous appearance, and conducts electricity and heat relatively well. Metals are typically ductile (can be drawn into wires) and malleable (they can be hammered into thin sheets). These properties are the result of the metallic bond between the atoms or molecules of the metal. A metal may be a chemical element such as iron; an alloy such as stainless steel; or a molecular compound such as polymeric sulfur nitride.

Related publications (2)

Measurement of interlayer spin diffusion in the organic conductor kappa-(BEDT-TTF)(2)Cu[N(CN)(2)]X, X = Cl, Br

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