EXPERIMENTAL BAND-STRUCTURE OF LEAD

被引：13

作者：

JEZEQUEL, G ^{[1
]}

POLLINI, I ^{[1
]}

机构：

[1] UNIV PARIS 11, UTILISAT RAYONNEMENT ELECTROMAGNET LAB, F-91405 ORSAY, FRANCE

来源：

PHYSICAL REVIEW B | 1990年 / 41卷 / 03期

关键词：

D O I：

10.1103/PhysRevB.41.1327

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

By using angle-resolved photoemission with synchrotron radiation, we have determined accurate energy-versus-momentum dispersion relations along symmetry lines X and KX for lead crystals. These directions are mapped out by recording normal-emission photoelectron spectra at low temperatures (20 K) from Pb(100) and Pb(110) surfaces, and by interpreting the experimental data in terms of the direct-transition model. However, in the photon-energy range 5565 eV the photoemission curves for Pb(100) are best interpreted by taking into account the influence of inelastic electron scattering in the final state (momentum-nonconserving transitions). The experimental dispersion curves for the valence bands of p and s symmetry are in fine agreement with the theoretical electronic structure obtained by relativistic augmented plane-wave (APW) and linear rigorous cellular (LRC) methods. © 1990 The American Physical Society.

引用

页码：1327 / 1339

页数：13

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