Search Results - "Griscom, David L."

Trapped-electron centers in pure and doped glassy silica: A review and synthesis by Griscom, David L.

“…This paper reviews half a century of research on radiation-induced point defects in pure and doped glassy silica and its crystalline polymorph α quartz,…”
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Self-trapped holes in pure-silica glass: A history of their discovery and characterization and an example of their critical significance to industry by Griscom, David L.

“…It has long been assumed that hole self-trapping should take place in amorphous silicon dioxide (a-SiO2). However, no spectroscopic evidence for this was…”
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γ-Ray-induced visible/infrared optical absorption bands in pure and F-doped silica-core fibers: are they due to self-trapped holes? by Griscom, David L.

“…Two optical fibers with high-purity, low-OH/low-Cl silica-cores, one F-doped and one not, were subjected to γ irradiation at 77K and studied by transmission…”
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Electron spin resonance study of Fe3+ and Mn2+ ions in 17-year-old nuclear-waste-glass simulants containing PuO2 with different degrees of 238Pu substitution by GRISCOM, David L, WEBER, William J

“…In 1982, three samples of a model nuclear waste glass, DRG-P1, P2, and P3, were prepared at Pacific Northwest National Laboratory with identical chemical…”
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Radiation Effects in Glasses Used for Immobilization of High-level Waste and Plutonium Disposition by Weber, William J., Ewing, Rodney C., Angell, C. Austen, Arnold, George W., Cormack, Alastair N., Delaye, Jean Marc, Griscom, David L., Hobbs, Linn W., Navrotsky, Alexandra, Price, David L., Stoneham, A. Marshall, Weinberg, Michael C.

“…This paper is a comprehensive review of the state-of-knowledge in the field of radiation effects in glasses that are to be used for the immobilization of…”
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Determination of the visible range optical absorption spectrum of peroxy radicals in gamma-irradiated fused silica by Griscom, David L., Mizuguchi, Masafumi

“…Two silicas (Russian KS-4V and an F-doped silica) with <1 ppm cationic impurities, OH contents <5 ppm, and Cl contents <20 ppm have been investigated in…”
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Fossil natural glasses composed of ferric oxyhydroxides: impactites of the 35.5 million year old Chesapeake Bay crater by Griscom, David L, Akiyoshi, Ayao, Homae, Tomotaka, Kondo, Ken-ichi, Yamanaka, Chihiro, Ueno, Takehiro, Ikeya, Motoji, Affatigato, Mario, Schue, Allison

“…Many of the pebbles and cobbles found in the ∼5000-km 2 ‘upland deposits’ of eastern Virginia and Southern Maryland (USA) are decorated with external flanges…”
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Hydrogen model for radiation-induced interface states in SiO2-on-Si Structures: A review of the evidence by Griscom, David L.

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Electron spin resonance study of Fe 3+ and Mn 2+ ions in 17-year-old nuclear-waste-glass simulants containing PuO 2 with different degrees of 238Pu substitution by Griscom, David L., Weber, William J.

“…In 1982, three samples of a model nuclear waste glass, DRG-P1, P2, and P3, were prepared at Pacific Northwest National Laboratory with identical chemical…”
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Radiation hardening of pure-silica-core optical fibers: Reduction of induced absorption bands associated with self-trapped holes by Griscom, David L.

“…Visible/near-IR-range radiation hardening of a pair of low-OH/low-Cl silica-core optical fibers has been accomplished by γ-ray preirradiation at 27 C to a dose…”
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Electron spin resonance studies of defect centers induced in a high-level nuclear waste glass simulant by gamma-irradiation and ion-implantation by Griscom, David L., Merzbacher, Celia I., Weeks, Robert A., Zuhr, Ray A.

“…Samples of an iron-free soda-lime boro-aluminosilicate high-level nuclear waste (HLW) glass simulant were implantated with 160-keV protons or He + ions or…”
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Some chemical and physical properties of the effervescent magnetic peroxyborates. Pseudo-superoxides by Edwards, John Oelhaf, Griscom, David L, Jones, Rebecca B, Watters, Kenneth L, Weeks, Robert A

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Electron spin resonance of 65-million-year-old glasses and rocks from the Cretaceous–Tertiary boundary by Griscom, David L., Beltrán-López, Virgilio, Merzbacher, Celia I., Bolden, Elizabeth

“…Glasses and rocks produced or altered by the colossal impact of an asteroid or comet with the earth 65 million years ago have been studied by electron spin…”
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Hydrogen model for radiation-induced interface states in SiO sub 2 -on-Si structures: a review of the evidence by Griscom, David L

“…Article abstract not available. 33 refs…”
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Self-trapped holes in amorphous silicon dioxide by GRISCOM, D. L

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Particle size effects in the FMR spectra of fine-grained precipitates in glass by Griscom, D.

“…The influences of small particle sizes are considered in analyzing the temperature dependences of the anisotropy-determined FMR linewidth and the integrated…”
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E ′ center in glassy Si O 2 : O 17 , H 1 , and "very weak" Si 29 superhyperfine structure by Griscom, David L.

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E ′ center in glassy Si O 2 : Microwave saturation properties and confirmation of the primary Si 29 hyperfine structure by Griscom, David L.

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