INTERACTION OF NH3 WITH FE(110) - IDENTIFICATION OF SURFACE SPECIES BY MEANS OF SECONDARY ION MASS-SPECTROSCOPY (SIMS)

被引:52
作者
DRECHSLER, M [1 ]
HOINKES, H [1 ]
KAARMANN, H [1 ]
WILSCH, H [1 ]
ERTL, G [1 ]
WEISS, M [1 ]
机构
[1] UNIV MUNICH,INST PHYS CHEM,D-8000 MUNICH 22,FED REP GER
关键词
D O I
10.1016/0378-5963(79)90021-7
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The adsorption and decomposition of NH3 on a Fe(110) surface has been studied by means of secondary ion mass spectroscopy (SIMS) in the temperature range between 130 K to 800 K. Although there is some fragmentation of molecular NH3 by SIMS, NHad is unambiguously identified as an intermediate surface species by this method. Furthermore the conclusions reached in previous work on the basis of LEED, AES, UPS, work function and thermal desorption measurements on the adsorption, partial and total decomposition of NH3 on a Fe(110) surface could be fully confirmed. © 1979.
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页码:217 / 228
页数:12
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