NEGATIVE-ELECTRON-AFFINITY EFFECTS ON THE DIAMOND (100) SURFACE

被引:335
作者
VANDERWEIDE, J [1 ]
ZHANG, Z [1 ]
BAUMANN, PK [1 ]
WENSELL, MG [1 ]
BERNHOLC, J [1 ]
NEMANICH, RJ [1 ]
机构
[1] N CAROLINA STATE UNIV,DEPT MAT SCI & ENGN,RALEIGH,NC 27695
来源
PHYSICAL REVIEW B | 1994年 / 50卷 / 08期
关键词
D O I
10.1103/PhysRevB.50.5803
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A negative electron affinity (NEA) was found both experimentally by photoemission spectroscopy and theoretically by ab initio calculations of the 2 x 1 reconstructed diamond (100) surface. This surface is the dominant growth surface for thin diamond films and can be obtained by chemical-vapor deposition. Various surface-preparation methods which result in a NEA are described. Theoretical results indicate that the observed NEA is associated with a monohydride-terminated surface, while the hydrogen-free surface exhibits a positive electron affinity.
引用
收藏
页码:5803 / 5806
页数:4
相关论文
共 20 条
[1]   UNIFIED APPROACH FOR MOLECULAR-DYNAMICS AND DENSITY-FUNCTIONAL THEORY [J].
CAR, R ;
PARRINELLO, M .
PHYSICAL REVIEW LETTERS, 1985, 55 (22) :2471-2474
[2]   TIGHT-BINDING STUDY OF HYDROGEN ON THE C(111), C(100), AND C(110) DIAMOND SURFACES [J].
DAVIDSON, BN ;
PICKETT, WE .
PHYSICAL REVIEW B, 1994, 49 (16) :11253-11267
[3]  
HAMMAN DR, 1979, PHYS REV LETT, V43, P1494
[4]   HYDROGEN CHEMISORPTION AND THE STRUCTURE OF THE DIAMOND C(100)-(2X1) SURFACE [J].
HAMZA, AV ;
KUBIAK, GD ;
STULEN, RH .
SURFACE SCIENCE, 1990, 237 (1-3) :35-52
[5]   QUANTUM PHOTOYIELD OF DIAMOND(111) - STABLE NEGATIVE-AFFINITY EMITTER [J].
HIMPSEL, FJ ;
KNAPP, JA ;
VANVECHTEN, JA ;
EASTMAN, DE .
PHYSICAL REVIEW B, 1979, 20 (02) :624-627
[6]   ADSORPTION OF H, CH3, CH2 AND C2H2 ON 2 X-1 RESTRUCTURED DIAMOND (100) - THEORETICAL-STUDY OF STRUCTURES, BONDING, AND MIGRATION [J].
MEHANDRU, SP ;
ANDERSON, AB .
SURFACE SCIENCE, 1991, 248 (03) :369-381
[7]   PHOTOEMISSION AND PHOTON-STIMULATED ION DESORPTION STUDIES OF DIAMOND(111) - HYDROGEN [J].
PATE, BB ;
HECHT, MH ;
BINNS, C ;
LINDAU, I ;
SPICER, WE .
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY, 1982, 21 (02) :364-367
[8]   THE DIAMOND SURFACE - ATOMIC AND ELECTRONIC-STRUCTURE [J].
PATE, BB .
SURFACE SCIENCE, 1986, 165 (01) :83-142
[9]   THERMAL-DESORPTION FROM HYDROGENATED AND OXYGENATED DIAMOND (100) SURFACES [J].
THOMAS, RE ;
RUDDER, RA ;
MARKUNAS, RJ .
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS, 1992, 10 (04) :2451-2457
[10]   EPITAXIALLY GROWN DIAMOND (001) 2X1/1X2 SURFACE INVESTIGATED BY SCANNING TUNNELING MICROSCOPY IN AIR [J].
TSUNO, T ;
IMAI, T ;
NISHIBAYASHI, Y ;
HAMADA, K ;
FUJIMORI, N .
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 1991, 30 (05) :1063-1066