Ultraslow electron-phonon scattering and polaron formation in magnetite

作     者：Adrian Radoń DariuszŁukowiec Patryk Włodarczyk Adrian Radoń;Dariusz ?ukowiec;Patryk W?odarczyk

作者机构：Łukasiewicz Research Network-Institute of Non-Ferrous MetalsSowinskiego 5 St.44-100GliwicePoland Faculty of Mechanical EngineeringSilesian University of TechnologyKonarskiego 18 a St.44-100GliwicePoland 

出 版 物：《Journal of Materiomics》 (无机材料学学报（英文）)

年 卷 期：2022年第8卷第1期

页      面：150-155页

核心收录：

学科分类：080903[工学-微电子学与固体电子学] 0809[工学-电子科学与技术（可授工学、理学学位）] 07[理学] 070205[理学-凝聚态物理] 08[工学] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0702[理学-物理学] 

基　　金：supported by the Polish Ministry of Science and Higher Education[grant number 0220/DIA/2018/470] the National Science Center,Poland[grant number 2016/23/B/ST8/03405] 

主　　题：Magnetite Drude model Power law Electrical conductivity Virtual free electron gas 

摘      要：The comprehensive analysis of AC electrical conductivity in magnetite was performed in order to find relations between the formation of polarons,phonons and conduction by a virtual free electron *** analysis performed here for the first time shows experimental data for the behavior of electrons for magnetite with the scattering time shifted to the GHz *** to our study,the DC electrical conductivity can be described by the virtual free electron gas model,and high frequency conductivity can be described by the combination of the Drude model for disordered materials and Jonscher s universal power *** observed peak at the imaginary part of AC conductivity was related to the scattering time of the electron-phonon *** interaction between electrons and thermally formed phonons results in the formation of large polarons,and these are responsible for high frequency conductivity in magnetite.