Formation of CHx species on a Ni(100) surface by the hydrogenation of carbidic carbon

Hong He; Junji Nakamura; Ken ichi Tanaka

doi:10.1016/0039-6028(93)90968-P

Formation of CH_x species on a Ni(100) surface by the hydrogenation of carbidic carbon

Hong He
, Junji Nakamura
, Ken ichi Tanaka

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

We have investigated the formation of CH_x species by the reaction of p4g carbide with hydrogen on the Ni(100) surface. The CH_x species were directly detected using high resolution electron energy loss spectroscopy (HREELS). After hydrogenation of the surface carbide with 1 × 10^-7 Torr of H₂ at 313 K, two loss peaks at 2970 and 1380 cm^-1 were observed which indicates the formation of CH_x on the surface. The CH_x species undergoes decomposition at 330-370 K in UHV and in 1 × 10^-7 Torr H₂. Isotope exchange of the CH_x with D₂ is slower than the formation of CH_x from carbide by at least one order of magnitude.

Original language	English
Pages (from-to)	117-120
Number of pages	4
Journal	Surface Science
Volume	283
Issue number	1-3
DOIs	https://doi.org/10.1016/0039-6028(93)90968-P
Publication status	Published - Mar 1 1993
Externally published	Yes

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films
Materials Chemistry

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10.1016/0039-6028(93)90968-P

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title = "Formation of CHx species on a Ni(100) surface by the hydrogenation of carbidic carbon",

abstract = "We have investigated the formation of CHx species by the reaction of p4g carbide with hydrogen on the Ni(100) surface. The CHx species were directly detected using high resolution electron energy loss spectroscopy (HREELS). After hydrogenation of the surface carbide with 1 {\texttimes} 10-7 Torr of H2 at 313 K, two loss peaks at 2970 and 1380 cm-1 were observed which indicates the formation of CHx on the surface. The CHx species undergoes decomposition at 330-370 K in UHV and in 1 {\texttimes} 10-7 Torr H2. Isotope exchange of the CHx with D2 is slower than the formation of CHx from carbide by at least one order of magnitude.",

author = "Hong He and Junji Nakamura and Tanaka, \{Ken ichi\}",

year = "1993",

month = mar,

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doi = "10.1016/0039-6028(93)90968-P",

language = "English",

volume = "283",

pages = "117--120",

journal = "Surface Science",

issn = "0039-6028",

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T1 - Formation of CHx species on a Ni(100) surface by the hydrogenation of carbidic carbon

AU - He, Hong

AU - Nakamura, Junji

AU - Tanaka, Ken ichi

PY - 1993/3/1

Y1 - 1993/3/1

N2 - We have investigated the formation of CHx species by the reaction of p4g carbide with hydrogen on the Ni(100) surface. The CHx species were directly detected using high resolution electron energy loss spectroscopy (HREELS). After hydrogenation of the surface carbide with 1 × 10-7 Torr of H2 at 313 K, two loss peaks at 2970 and 1380 cm-1 were observed which indicates the formation of CHx on the surface. The CHx species undergoes decomposition at 330-370 K in UHV and in 1 × 10-7 Torr H2. Isotope exchange of the CHx with D2 is slower than the formation of CHx from carbide by at least one order of magnitude.

AB - We have investigated the formation of CHx species by the reaction of p4g carbide with hydrogen on the Ni(100) surface. The CHx species were directly detected using high resolution electron energy loss spectroscopy (HREELS). After hydrogenation of the surface carbide with 1 × 10-7 Torr of H2 at 313 K, two loss peaks at 2970 and 1380 cm-1 were observed which indicates the formation of CHx on the surface. The CHx species undergoes decomposition at 330-370 K in UHV and in 1 × 10-7 Torr H2. Isotope exchange of the CHx with D2 is slower than the formation of CHx from carbide by at least one order of magnitude.

UR - https://www.scopus.com/pages/publications/0027555084

UR - https://www.scopus.com/pages/publications/0027555084#tab=citedBy

U2 - 10.1016/0039-6028(93)90968-P

DO - 10.1016/0039-6028(93)90968-P

M3 - Article

AN - SCOPUS:0027555084

SN - 0039-6028

VL - 283

SP - 117

EP - 120

JO - Surface Science

JF - Surface Science

IS - 1-3

ER -

Formation of CH_x species on a Ni(100) surface by the hydrogenation of carbidic carbon

Abstract

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