Photoinduced effects and metastability in amorphous semiconductors and insulators

K Shimakawa, A Kolobov, SR Elliott - Advances in Physics, 1995 - Taylor & Francis
Amorphous semiconductors, being intrinsically metastable in nature, exhibit a wide variety of
changes in their physical properties, particularly when photoinduced using bandgap …

[LIBRO][B] Investigation of Self-Trapped Excitons from a Defect Perspective

KS Song, RT Williams, KS Song, RT Williams - 1993 - Springer
In the previous chapter, we surveyed the criteria for self-trap**, starting from delocalized
electron and exciton states in the solid and considering effects of short-range and long …

A review of the EPR spectroscopy of the point defects in α-quartz: The decade 1982–1992

JA Weil - The Physics and Chemistry of SiO2 and the Si-SiO2 …, 1993 - Springer
A REVIEW OF THE EPR SPECTROSCOPY OF THE POINT DEFECTS IN a-QUARTZ: THE
DECADE 1982-1992 INTRODUCTION Page 1 A REVIEW OF THE EPR SPECTROSCOPY OF …

Materials modification by electronic excitation

N Itoh, AM Stoneham - Radiation effects and defects in solids, 2001 - Taylor & Francis
Excitonic mechanisms of defect formation and of sputtering from surfaces, induced as a
consequence of exciton relaxation, are effective in a limited class of wide-gap materials …

Trap**, self-trap** and the polaron family

AM Stoneham, J Gavartin, AL Shluger… - Journal of Physics …, 2007 - iopscience.iop.org
The earliest ideas of the polaron recognized that the coupling of an electron to ionic
vibrations would affect its apparent mass and could effectively immobilize the carrier (self …

Small polarons in real crystals: concepts and problems

AL Shluger, AM Stoneham - Journal of Physics: Condensed …, 1993 - iopscience.iop.org
Much of small polaron theory is based on highly idealized models, often essentially a
continuum description with a single vibrational frequency. These models ignore much of the …

Photocatalytic degradation of methyl red dye by silica nanoparticles

Y Badr, MG Abd El-Wahed, MA Mahmoud - Journal of hazardous materials, 2008 - Elsevier
Silica nanoparticles (SiO2 NPs) were found to be photocatalytically active for degradation of
methyl red dye (MR). The SiO2 NPs and SiO2 NPs doped with silver (and or) gold …

Potential Sputtering of Clean by Slow Highly Charged Ions

M Sporn, G Libiseller, T Neidhart, M Schmid… - Physical Review Letters, 1997 - APS
The recently discovered phenomenon of potential sputtering, ie, the efficient removal of
neutral and ionized target particles from certain insulator surfaces due to the potential rather …

Cathodoluminescence microcharacterization of point defects in α-quartz

MA Stevens-Kalceff - Mineralogical Magazine, 2009 - cambridge.org
Cathodoluminescence (CL) spectroscopy in an SEM has been used to investigate the point
defect structure of clear natural α-quartz at 295 K. Cathodoluminescence processes and …

Photocatalytic degradation of methyl orange by gold silver nano-core/silica nano-shell

Y Badr, MA Mahmoud - Journal of Physics and Chemistry of Solids, 2007 - Elsevier
The silica nanoparticles (SiO2 NPs), silver (Ag) NPs and gold (Au) NPs coated with SiO2
NPs (core–shell) were prepared. The sizes and morphology of the particles were indicated …