ELECTRONIC-STRUCTURE OF MNO

被引：197

作者：

VANELP, J

POTZE, RH

ESKES, H

BERGER, R

SAWATZKY, GA

机构：

[1] Department of Applied and Solid State Physics, Materials Science Centre, University of Groningen, NL 9747AG Groningen

来源：

PHYSICAL REVIEW B | 1991年 / 44卷 / 04期

关键词：

D O I：

10.1103/PhysRevB.44.1530

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The electronic structure of MnO has been investigated using high-energy (x-ray photoelectron and bremsstrahlung-isochromat) spectroscopies. An experimental gap of 3.9 eV is found. By comparing the experimental results to a configuration-interaction cluster model, values for the different parameters in a model Hamiltonian are found [U=8.5 eV, DELTA = 8.8 eV, and (pd-sigma) = 1.3 eV]. These parameter values place MnO in the intermediate region of the Zaanen-Sawatzky-Allen phase diagram. By using the same parameters, the d-d forbidden optical-absorption energies can be calculated, and good agreement with experiment is found.

引用

页码：1530 / 1537

页数：8

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