Zobrazeno 1 - 10 of 49 pro vyhledávání: '"W H Weber"'
1
Measurement of the state of stress in silicon with micro-Raman spectroscopy
Autor: Boileau James Maurice, Wen Yang, Somnath Ghosh, W. H. Weber, Ann E. O'Neill, Bhaskar Majumdar, Peter A. Gustafson, Stephen J. Harris
Publikováno v: Journal of Applied Physics. 96:7195-7201
Micro-Raman spectroscopy has been widely used to measure local stresses in silicon and other cubic materials. However, a single (scalar) line position measurement cannot determine the complete stress state unless it has a very simple form such as uni
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7b4b5cde437f2d89cd4f595f7d0d368c
https://doi.org/10.1063/1.1808244
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2
The mechanism of the rutile-to-CaCl2phase transition: RuO2and β-PtO2
Autor: W H Weber, Ruqian Wu
Publikováno v: Journal of Physics: Condensed Matter. 12:6725-6734
Using the full-potential linearized augmented-plane-wave (FLAPW) method, the mechanism of the rutile-CaCl2 phase transition of RuO2 and the phase stability of β-PtO2 are investigated. The local density functional calculations predict quantities such
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a8c1120de4278710211e846c727a7ae9
https://doi.org/10.1088/0953-8984/12/30/305
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3
In situoptical measurement of liquid drop surface tension in gas metal arc welding
Autor: D J Scholl, W H Weber, D R White, S Subramaniam
Publikováno v: Journal of Physics D: Applied Physics. 31:1963-1967
The surface tension of detached liquid drops in pulsed gas metal arc welding was determined in situ from the period of the prolate-oblate oscillations initiated by the detachment event. The oscillating drops were imaged by an optical shadowgraph tech
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5b55a48454bcf1ecc5dbfe4bad687932
https://doi.org/10.1088/0022-3727/31/16/004
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4
Low-temperature epitaxial growth of Ge-rich Ge–Si–C alloys: Microstructure, Raman studies, and optical properties
Autor: M. Krishnamurthy, B.-K. Yang, W. H. Weber
Publikováno v: Journal of Applied Physics. 84:2011-2017
Low-temperature (∼200 °C) molecular beam epitaxy of Ge-rich Ge1−x−ySiyCx alloys grown on Si(100) have been investigated by in situ reflection high-energy electron diffraction, ex situ x-ray diffraction, transmission electron microscopy, Raman
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::809af71faefe4d54c30bf5bba573307e
https://doi.org/10.1063/1.368354
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5
Optical study of silicon-containing amorphous hydrogenated carbon
Autor: William C. Vassell, T. J. Potter, Michael Alan Tamor, W. H. Weber, X. Zhang
Publikováno v: Journal of Applied Physics. 83:2820-2825
Silicon-containing amorphous hydrogenated carbon films deposited by a plasma-enhanced chemical vapor deposition process were studied using both Raman and ellipsometry spectroscopies. Analyses of the experimental data from both these techniques yielde
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0e59339a84712fa1556b856faa3cd055
https://doi.org/10.1063/1.367042
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6
Incorporation and stability of carbon during low-temperature epitaxial growth of Ge1−xCx (x<0.1) alloys on Si(100): Microstructural and Raman studies
Autor: W. H. Weber, M. Krishnamurthy, B.-K. Yang
Publikováno v: Journal of Applied Physics. 82:3287-3296
Low-temperature (∼200 °C) molecular beam epitaxy of Ge1−xCx alloys grown on Si(100) have been extensively investigated by in situ reflection high-energy electron diffraction, ex situ x-ray diffraction, transmission electron microscopy, and Raman
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8c848ed7447e6a4c4e8c535712a0f14f
https://doi.org/10.1063/1.365636
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7
Using Raman Microscopy to Detect Leaks in Micromechanical Silicon Structures
Autor: M. J. Pelletier, M. Zanini-Fisher, W. H. Weber
Publikováno v: Applied Spectroscopy. 51:123-129
We demonstrate the use of Raman microscopy for leak detection in hermetically sealed micromachined accelerometers. Leaks were indicated by the presence of a foreign gas, in this case oxygen, in the 70-μm-deep cavity enclosing the accelerometer betwe
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2329583809445dfcc2d08fc0de96e4f8
https://doi.org/10.1366/0003702971938876
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8
Laser reflective interferometry forin situmonitoring of diamond film growth by chemical vapor deposition
Autor: T. J. Potter, W. H. Weber, Ching-Hsong Wu, Michael Alan Tamor
Publikováno v: Journal of Applied Physics. 73:2977-2982
A simple laser reflective interferometer has been employed for in situ monitoring of diamond film growth in a hot‐filament chemical vapor deposition reactor. This method uses a low power HeNe laser beam reflected at normal incident from the substra
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c44abd54ba34785bf594923a9689c64f
https://doi.org/10.1063/1.353030
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10
Effects of pressure and isotopic substitution on the Raman spectrum of α-Fe2O3: Identification of two-magnon scattering
Autor: W. H. Weber, U. Baier, Roberto Merlin, Michael Massey
Publikováno v: Physical Review B. 41:7822-7827
We report measurements of the effects of high pressure and O-isotope substitution on the Raman spectrum of \ensuremath{\alpha}-${\mathrm{Fe}}_{2}$${\mathrm{O}}_{3}$. Spectra for the pressure effects were obtained from single crystals in a diamond-anv
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a70f8eba2fd08bb6bcbb21f046c24e4b
https://doi.org/10.1103/physrevb.41.7822
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