6533b823fe1ef96bd127e92c
RESEARCH PRODUCT
Electron transport process in simple amorphous metals at moderately low temperatures
Yu. P. KrasnyN.p. KovalenkoV.t. ShvetsJ. Krawczyksubject
Free electron modelAmorphous metalCondensed matter physicsChemistryScatteringElectronCondensed Matter PhysicsKinetic energyAtomic and Molecular Physics and OpticsElectronic Optical and Magnetic MaterialsAmorphous solidElectrical resistivity and conductivityMaterials ChemistryPhysical and Theoretical ChemistryElectron scatteringSpectroscopydescription
Abstract The dependence of electroresistivity ϱ( T ) and electron contribution to thermoconductivity ϰ( T ) of simple amorphous metals is investigated. Calculation of kinetic coefficients is carried out in the nearly free electron approximation (Ziman theory). The form-factor was calculated in the quasiphonon model. In this approximation on the short wavelength part of “dispersion curve” a minimum exists (“roton-like minimum”). It is shown that at moderately low temperatures 10 K ≤ T ≤ 100 K the ratio ϱ(T) − ϱ(0) T 2 has a maximum and the T 2 [ ϰ ( T ) − ϰ (0)] is minimal in this temperature region. Such “anomaly” in the temperature dependence of the kinetic coefficient is due to additional scattering of electrons on “rotons”. Numeric calculations for amorphous Mg and Zn are presented.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2001-09-01 | Journal of Molecular Liquids |