Zobrazeno 1 - 10 of 22 pro vyhledávání: '"J. A. Kolopus"'
1
Synthesis and characterization of metal carbides for nanoindentation tip applications
Autor: L. A. Boatner, C. B. Finch, W. E. Brundage, J. A. Kolopus, G. R. Gruzalski, K. E. Johanns, P. Sudharshan Phani, G. M. Pharr, W. C. Oliver
Publikováno v: Journal of Applied Physics. 133:095107
Instrumented indentation experiments at elevated temperatures require careful attention to a myriad of experimental details. Not the least of these is the choice of the indenter tip material. Traditional room-temperature indenters, e.g., diamond and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6935f14f638431e941c3543912cff697
https://doi.org/10.1063/5.0140501
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2
The F centres in MgF2. II. Optical absorption and EPR
Autor: J T Lewis, W P Unruh, L G Nelson, J L Kolopus
Publikováno v: Journal of Physics C: Solid State Physics. 4:3007-3014
For Pt. I see ibid. vol. 4, 2992 (1971). The 260 nm optical absorption band in irradiated MgF2 has been identified as the F band. The irradiation dose dependence, irradiation temperature dependence, optical bleaching behaviour and thermal annealing p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f5af24b7cff12b63e79a0bad718d0a88
https://doi.org/10.1088/0022-3719/4/17/030
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3
A Study of the Effect of Deformation on the ESR, Luminescence, and Absorption of MgO Single Crystals
Autor: J. L. Kolopus, W. A. Sibley, W. C. Mallard
Publikováno v: physica status solidi (b). 31:223-231
The effect of plastic deformation on the optical absorption, ESR, and thermoluminescent properties of MgO has been investigated. Plastic deformation produces an optical absorption band at about 217 nm whose intensity is proportional to the percent of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::06549b5b6a4681ad3a69bdd982145ce7
https://doi.org/10.1002/pssb.19690310126
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6
Ferromagnetic and paramagnetic resonance spectra of lunar material: Apollo 12
Autor: J. L. Kolopus, S. Arafa, R. A. Weeks
Publikováno v: The Moon. 4:271-295
Electron magnetic resonance spectra of specimens of two crystalline rocks (12021-55 and 12075-19) and of four specimens of fines < 1 mm (12001-16, 12030-16, 12033-50 and 12070-125) have been obtained as a function of spectrometer frequency (9 and 35
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1bfe25e21c79722ad0f58404522a3d51
https://doi.org/10.1007/bf00561996
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8
The F centre in MgF2. I. EPR and ENDOR
Autor: J T Lewis, W P Unruh, J L Kolopus, L G Nelson
Publikováno v: Journal of Physics C: Solid State Physics. 4:2992-3006
The magnetic resonance absorption at g=2 in irradiated MgF2 is positively identified in this paper as arising from F-centres. EPR and ENDOR investigations have determined the hyperfine constants and tensor axis orientations for the first six fluorine
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::499cbf380a3e2c85935e248daccb3be4
https://doi.org/10.1088/0022-3719/4/17/029
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9
Electron and nuclear magnetic resonance of three chondritic meteorites
Autor: A. Chatelain, D. Kline, R. A. Weeks, J. L. Kolopus
Publikováno v: Journal of Geophysical Research. 75:5681-5692
Chondritic meteorites electron and nuclear magnetic resonance spectra at various frequencies
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9d22ad93f5fee6df3e9111b92c618e0b
https://doi.org/10.1029/jb075i029p05681
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