NITROGEN DOPING OF TETRAHEDRAL AMORPHOUS-CARBON

被引:226
作者
ROBERTSON, J [1 ]
DAVIS, CA [1 ]
机构
[1] UNIV CAMBRIDGE,DEPT MAT SCI,CAMBRIDGE CB2,ENGLAND
关键词
AMORPHOUS CARBON; NITROGEN; DOPING N-TYPE; BONDING;
D O I
10.1016/0925-9635(94)05265-4
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
N has been found to be an effective n-type dopant of tetrahedral amorphous carbon, ta-C. Molecular orbital diagrams and band calculations are used to describe the electronic structure of various C-N bonding configurations and account for the doping mechanism. The doping configuration of N at low concentrations is the substitutional, sp(3) coordination. The doping efficiency is estimated to be about 1%. Two possible non-doping configurations of N, the trivalent and the compensated are both consistent with the electron energy loss spectra. Both N and C adopt graphitic bonding a high N concentrations.
引用
收藏
页码:441 / 444
页数:4
相关论文
共 23 条
[1]   PROPERTIES OF NITROGEN-DOPED AMORPHOUS HYDROGENATED CARBON-FILMS [J].
AMIR, O ;
KALISH, R .
JOURNAL OF APPLIED PHYSICS, 1991, 70 (09) :4958-4962
[2]   ANALYTICAL ELECTRON-MICROSCOPY AND RAMAN-SPECTROSCOPY STUDIES OF CARBON NITRIDE THIN-FILMS [J].
CHEN, MY ;
LI, D ;
LIN, X ;
DRAVID, VP ;
CHUNG, YW ;
WONG, MS ;
SPROUL, WD .
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A, 1993, 11 (03) :521-524
[3]   SUBSTITUTIONAL NITROGEN DOPING OF TETRAHEDRAL AMORPHOUS-CARBON [J].
DAVIS, CA ;
MCKENZIE, DR ;
YIN, Y ;
KRAVTCHINSKAIA, E ;
AMARATUNGA, GAJ ;
VERASAMY, VS .
PHILOSOPHICAL MAGAZINE B-PHYSICS OF CONDENSED MATTER STATISTICAL MECHANICS ELECTRONIC OPTICAL AND MAGNETIC PROPERTIES, 1994, 69 (06) :1133-1140
[4]   STRUCTURAL AND OPTICAL-PROPERTIES OF AMORPHOUS-CARBON NITRIDE [J].
HAN, HX ;
FELDMAN, BJ .
SOLID STATE COMMUNICATIONS, 1988, 65 (09) :921-923
[5]   PROPERTIES OF HYDROGENATED AMORPHOUS-CARBON FILMS AND THE EFFECTS OF DOPING [J].
JONES, DI ;
STEWART, AD .
PHILOSOPHICAL MAGAZINE B-PHYSICS OF CONDENSED MATTER STATISTICAL MECHANICS ELECTRONIC OPTICAL AND MAGNETIC PROPERTIES, 1982, 46 (05) :423-434
[6]   SYMMETRY-BREAKING IN NITROGEN-DOPED AMORPHOUS-CARBON - INFRARED OBSERVATION OF THE RAMAN-ACTIVE G-BANDS AND D-BANDS [J].
KAUFMAN, JH ;
METIN, S ;
SAPERSTEIN, DD .
PHYSICAL REVIEW B, 1989, 39 (18) :13053-13060
[7]   ELECTRICAL AND ELECTRON-SPIN-RESONANCE MEASUREMENTS OF AMORPHOUS HYDROGENATED CARBON NITRIDE [J].
LIN, S ;
NOONAN, K ;
FELDMAN, BJ ;
DONG, M ;
JONES, MT .
SOLID STATE COMMUNICATIONS, 1991, 80 (02) :101-102
[8]   STRUCTURAL-PROPERTIES AND ELECTRONIC-STRUCTURE OF LOW-COMPRESSIBILITY MATERIALS - BETA-SI3N4 AND HYPOTHETICAL BETA-C3N4 [J].
LIU, AY ;
COHEN, ML .
PHYSICAL REVIEW B, 1990, 41 (15) :10727-10734
[9]   PHOTOELECTRON-SPECTROSCOPY STUDY OF AMORPHOUS A-CNXH [J].
MANSOUR, A ;
UGOLINI, D .
PHYSICAL REVIEW B, 1993, 47 (16) :10201-10209
[10]   CARBON NITRIDE DEPOSITED USING ENERGETIC SPECIES - A 2-PHASE SYSTEM [J].
MARTON, D ;
BOYD, KJ ;
ALBAYATI, AH ;
TODOROV, SS ;
RABALAIS, JW .
PHYSICAL REVIEW LETTERS, 1994, 73 (01) :118-121