Imperial College London

Professor David W. McComb

Faculty of EngineeringDepartment of Materials

Adjunct Professor
 
 
 
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Contact

 

+44 (0)20 7594 6750d.mccomb Website

 
 
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Location

 

Royal School of MinesSouth Kensington Campus

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Summary

 

Publications

Publication Type
Year
to

293 results found

MCCOMB DW, WOLKOW RA, HACKETT PA, 1994, DEFECTS ON THE AG/SI(111)-(ROOT-3X-ROOT-3) SURFACE, PHYSICAL REVIEW B, Vol: 50, Pages: 18268-18274, ISSN: 0163-1829

Journal article

Tyliszczak T, Hitchcock AP, Lu ZH, Baribeau JM, Jackman TE, McComb Det al., 1994, X-ray absorption studies of strain in epitaxial (Si-Ge) atomic layer superlattice and alloy films, Pages: 795-802, ISSN: 0891-7035

The Si 1s (K-shell) X-ray absorption spectra of a series of strained Si(x)Ge(100-x) alloy thin films and several {(Si)(m)(Ge)(n)}(p) atomic layer superlattices (ALS) grown epitaxially on Si(100) and Ge(100) substrates have been investigated using plane polarized synchrotron radiation. Polarization dependent components of the signal are attributed to anisotropic states associated with strain-induced tetragonal distortions. The sense of the polarization is shown to be identical for all compositions (x = 25 to 92) of SiGe alloys grown on Si(100) substrates. The opposite polarization dependence is found to occur for all Si(x)Ge(100-x) alloys (x = 12 W 50) grown on Ge(100) substrates. The polarization dependence and shape of the near edge spectral features of alloy and ALS samples which have similar (average) chemical composition are remarkably similar. A preliminary comparison of the alloy results with literature band structure calculations is made.

Conference paper

WILLIAMS BR, MASON BF, MCCOMB DW, MOFFATT DJ, HACKETT PAet al., 1994, A SCANNING-TUNNELING-MICROSCOPY INVESTIGATION OF THE REACTION OF HYDROGEN-ATOMS WITH AG/SI(111)-(ROOT-X-ROOT-3, SURFACE SCIENCE, Vol: 313, Pages: L790-L796, ISSN: 0039-6028

Journal article

MCCOMB DW, MOFFATT DJ, HACKETT PA, WILLIAMS BR, MASON BFet al., 1994, SCANNING-TUNNELING-MICROSCOPY INVESTIGATION OF THE NUCLEATION AND GROWTH OF AG/SI(111)-(ROOT-3X-ROOT-3), PHYSICAL REVIEW B, Vol: 49, Pages: 17139-17148, ISSN: 0163-1829

Journal article

HANSEN PL, BRYDSON R, MCCOMB DW, RICHARDSON Iet al., 1994, EELS FINGERPRINT OF AL-COORDINATION IN SILICATES, MICROSCOPY MICROANALYSIS MICROSTRUCTURES, Vol: 5, Pages: 173-182, ISSN: 1154-2799

Journal article

BRYDSON R, RICHARDSON IG, MCCOMB DW, GROVES GWet al., 1993, PARALLEL ELECTRON-ENERGY-LOSS SPECTROSCOPY STUDY OF AL-SUBSTITUTED CALCIUM SILICATE HYDRATE (C-S-H) PHASES PRESENT IN HARDENED CEMENT PASTES, SOLID STATE COMMUNICATIONS, Vol: 88, Pages: 183-187, ISSN: 0038-1098

Journal article

MCGIBBON AJ, BROWN LM, BLELOCH AL, BROWNING ND, AIRES FCS, FALLON PJ, GASKELL PH, GILKES KWR, HANSEN PL, HOWIE A, MAYNARD AD, MCCOMB DW, MCMULLAN D, MULLEJANS H, MUROOKA Y, PATERSON JH, PEROVIC DD, PIKE WT, RAUF IA, RODENBURG JM, SAEED A, STELMASHENKO N, TU KN, WALLS MG, WALSH CA, YUAN J, ZHAO Jet al., 1993, MICROSCOPY IN SOLID-STATE SCIENCE, MICROSCOPY RESEARCH AND TECHNIQUE, Vol: 24, Pages: 299-315, ISSN: 1059-910X

Journal article

MCCOMB DW, BRYDSON R, HANSEN PL, PAYNE RSet al., 1992, QUALITATIVE INTERPRETATION OF ELECTRON ENERGY-LOSS NEAR-EDGE STRUCTURE IN NATURAL ZIRCON, JOURNAL OF PHYSICS-CONDENSED MATTER, Vol: 4, Pages: 8363-8374, ISSN: 0953-8984

Journal article

HANSEN PL, BRYDSON R, MCCOMB DW, 1992, P -] P-LIKE TRANSITIONS AT THE SILICON L2,3-EDGES OF SILICATES, MICROSCOPY MICROANALYSIS MICROSTRUCTURES, Vol: 3, Pages: 213-219, ISSN: 1154-2799

Journal article

Hansen PL, McComb D, Brydson R, 1992, ELNES fingerprint of Al coordination in nesosilicates, Micron And Microscopica Acta, Vol: 23, Pages: 169-170, ISSN: 0739-6260

Journal article

McComb DW, 1992, Interpretation of electron energy-loss spectra of minerals, Micron And Microscopica Acta, Vol: 23, Pages: 197-198, ISSN: 0739-6260

Journal article

McComb DW, Paterson JH, Buglass JG, Friedman SLet al., 1991, High-angle ADF imaging of the osmium carbonyl cluster [Os<inf>20</inf>(CO)<inf>40</inf>]<sup>2-</sup>, Pages: 43-46, ISSN: 0951-3248

The novel osmium-20 cluster has been studied by HAADF imaging. The results obtained clearly show the presence of facets on the sub-nanometre scale which are consistent with the proposed structure derived from the single crystal X-ray analysis.

Conference paper

MCCOMB DW, HANSEN PL, BRYDSON R, 1991, A STUDY OF SILICON ELNES IN NESOSILICATES, MICROSCOPY MICROANALYSIS MICROSTRUCTURES, Vol: 2, Pages: 561-568, ISSN: 1154-2799

Journal article

PEROVIC DD, MCCOMB DW, MCGIBBON AJ, BROWN LMet al., 1991, STEM CHARACTERIZATION OF IMPURITY ATOM DISTRIBUTIONS ACROSS GRAIN-BOUNDARIES USING PEELS AND HAADF IMAGING, 1991 CONF OF THE ELECTRON MICROSCOPY AND ANALYSIS GROUP OF THE INST OF PHYSICS ( EMAG 91 ), Publisher: IOP PUBLISHING LTD, Pages: 433-436

Conference paper

MORE AP, MCGIBBON AJ, MCCOMB DW, 1991, AN ANALYSIS OF POLYMERS IN STEM USING PEELS, 1991 CONF OF THE ELECTRON MICROSCOPY AND ANALYSIS GROUP OF THE INST OF PHYSICS ( EMAG 91 ), Publisher: IOP PUBLISHING LTD, Pages: 353-356

Conference paper

PAYNE RS, CRICK RA, MCCOMB DW, 1991, SI-K ELNES FROM VARIOUS LOCAL ATOMIC ENVIRONMENTS (LAE), 1991 CONF OF THE ELECTRON MICROSCOPY AND ANALYSIS GROUP OF THE INST OF PHYSICS ( EMAG 91 ), Publisher: IOP PUBLISHING LTD, Pages: 113-116

Conference paper

MCCOMB DW, PATERSON JH, BUGLASS JG, FRIEDMAN SLet al., 1991, HIGH-ANGLE ADF IMAGING OF THE OSMIUM CARBONYL CLUSTER [OS20(CO)40]2-, 1991 CONF OF THE ELECTRON MICROSCOPY AND ANALYSIS GROUP OF THE INST OF PHYSICS ( EMAG 91 ), Publisher: IOP PUBLISHING LTD, Pages: 43-46

Conference paper

MCCOMB DW, HOWIE A, 1990, CHARACTERIZATION OF ZEOLITE CATALYSTS USING ELECTRON-ENERGY LOSS SPECTROSCOPY, 1990 ANNUAL WORKSHOP ON THE CHARACTERIZATION OF CATALYSTS, Publisher: ELSEVIER SCIENCE BV, Pages: 84-92, ISSN: 0304-3991

Conference paper

MCCOMB DW, HOWIE A, 1990, VALENCE LOSS SPECTROSCOPY OF ZEOLITES USING STEM, 1989 CONF OF THE ELECTRON MICROSCOPY AND ANALYSIS GROUP OF THE INSTITUTE OF PHYSICS / ROYAL MICROSCOPICAL SOC ( EMAG-MICRO 89 ), Publisher: IOP PUBLISHING LTD, Pages: 59-62

Conference paper

MCCOMB DW, HOWIE A, 1990, VALENCE LOSS SPECTROSCOPY OF ZEOLITES USING STEM, INSTITUTE OF PHYSICS CONFERENCE SERIES, Pages: 59-62, ISSN: 0951-3248

Journal article

MCCOMB DW, HOWIE A, 1990, ELECTRON-ENERGY LOSS SPECTROSCOPY AND BEAM DAMAGE STUDIES OF ZEOLITE CATALYSTS BY TEM AND STEM, CONF OF THE ROYAL MICROSCOPICAL SOC, Publisher: ADAM HILGER LTD, Pages: 181-184

Conference paper

BUGLASS JG, HOWIE A, MCCOMB DW, 1989, APPLICATIONS OF ELECTRON-MICROSCOPY METHODS TO CATALYST PROBLEMS, CATALYSIS LETTERS, Vol: 3, Pages: 17-23, ISSN: 1011-372X

Journal article

MCCOMB DW, HOWIE A, 1989, LOCALIZED ELECTRON-ENERGY LOSS SPECTROSCOPY OF ZEOLITE CATALYSTS IN THE ELECTRON-MICROSCOPE, 1989 MEETING OF THE BRITISH ZEOLITE ASSOC : RECENT ADVANCES IN ZEOLITE SCIENCE, Publisher: ELSEVIER SCIENCE PUBL B V, Pages: 227-239

Conference paper

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