Photoelectron emission from lithiated diamond

被引：30

作者：

O'Donnell, Kane M. ^{[1
,8
,9
,10
,11
]}

Martin, Tomas L. ^{[2
]}

Edmonds, Mark T. ^{[3
]}

Tadich, Anton ^{[4
]}

Thomsen, Lars ^{[4
]}

Ristein, Juergen ^{[5
]}

Pakes, Christopher I. ^{[6
]}

Fox, Neil A. ^{[7
]}

Ley, Lothar ^{[5
]}

机构：

[1] Curtin Univ, Dept Imaging & Appl Phys, Bentley, WA 6102, Australia

[2] Univ Oxford, Dept Mat, Oxford OX1 3PH, England

[3] Monash Univ, Sch Phys, Clayton, Vic 3168, Australia

[4] Australian Synchrotron, Clayton, Vic 3168, Australia

[5] Univ Erlangen Nurnberg, Inst Tech Phys, D-91058 Erlangen, Germany

[6] La Trobe Univ, Dept Phys, Bundoora, Vic 3086, Australia

[7] Univ Bristol, HH Wills Phys Lab, Clifton BS8 1FD, England

[8] Univ Bristol, Bristol Ctr Nanosci & Quantum Informat, Clifton, England

[9] Univ Bristol, Sch Chem, Clifton, England

[10] Australian Synchrotron, Melbourne, Vic, Australia

[11] Curtin Univ, Perth, WA 6845, Australia

来源：

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2014年 / 211卷 / 10期

基金：

英国工程与自然科学研究理事会;

关键词：

diamond; electron affinity; electron emission; lithium; negative; photoemission; NEGATIVE-ELECTRON-AFFINITY; SCHOTTKY-BARRIER HEIGHT; SURFACE CONDUCTIVITY; HYDROGENATED DIAMOND; EXCITON BREAKUP; ALKALI-METALS; ADSORPTION; OXYGEN; CS; NITROGEN;

D O I：

10.1002/pssa.201431414

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper reviews electron emission from negative electron affinity (NEA) diamond and gives account of the recent developments in alternatives to hydrogen-termination for producing NEA diamond surfaces, particularly using lithium on oxygen-terminated diamond. We discuss the background and motivation for using alkali metals and present both experimental and computational results that cover structure, electronic properties, photoemission, and total photoyield. Secondary yield enhancement of over 200x is demonstrated over a reference surface with positive electron affinity. (C) 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

引用

页码：2209 / 2222

页数：14

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