EXCITON SPECTRA AND ANISOTROPIC ZEEMAN EFFECT IN PBI2 AT HIGH MAGNETIC-FIELDS UP TO 40-T

被引：26

作者：

NAGAMUNE, Y ^{[1
]}

TAKEYAMA, S ^{[1
]}

MIURA, N ^{[1
]}

机构：

[1] UNIV TOKYO,INST SOLID STATE PHYS,MINATO KU,TOKYO 106,JAPAN

来源：

PHYSICAL REVIEW B | 1991年 / 43卷 / 15期

关键词：

D O I：

10.1103/PhysRevB.43.12401

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Magnetoabsorption spectra of the band-edge excitons in PbI2 thin single crystals were measured up to 40 T with a configuration of E perpendicular-to c parallel-to B or E perpendicular-to c perpendicular-to B. The anisotropic magnetic field dependence of the diamagnetic shift and the Zeeman effect were observed at high magnetic fields. With the configuration of E perpendicular-to c parallel-to B, a linear Zeeman splitting of the GAMMA-3- absorption line was observed. For the configuration of E perpendicular-to c perpendicular-to B, magnetic-field-induced absorption lines associated with the GAMMA-1- and the GAMMA-2- states were observed for pi and sigma-polarizations, respectively. The anisotropic magnetic field dependence is discussed in terms of a cationic exciton model.

引用

页码：12401 / 12405

页数：5

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