Optical studies in x-irradiated high purity sodium silicate glasses

Mackey, John; Smith, Herbert L.; Halperin, A.

doi:10.1016/0022-3697(66)90107-7

Cited by 96 publications

(49 citation statements)

References 7 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…2 that the pre-existing L band is diminished in intensity during irradiation. The induced absorption band at 1.82 eV (FWHM $0.6 eV), known for sodium silicate glasses as the E À 1;2 centers [36], was induced together with broad complicated band at 5.6-5.7 eV containing a sub-band at 4.7 eV. The band at 1.82 eV decays during 1 h, but induced bands at 4.7 and 5.7 eV remain stable.…”

Section: Radiation Processes In Silica Doped With Namentioning

confidence: 97%

See 1 more Smart Citation

Photosensitivity of SiO2–Al and SiO2–Na glasses under ArF (193nm) laser

Trukhin

Teteris

Fedotov

et al. 2009

Journal of Non-Crystalline Solids

View full text Add to dashboard Cite

Section: Radiation Processes In Silica Doped With Namentioning

confidence: 97%

“…In Fig. 2, the broad band at 6.8 eV (FWHM $1 eV) in the unirradiated sample is ascribed to the so-called L-center associated with the cluster Si-O À -Na + , as known for sodium silicate glasses [4,36,37]. So, it could be directly excited with ArF laser's photons.…”

Section: Radiation Processes In Silica Doped With Namentioning

confidence: 99%

Photosensitivity of SiO2–Al and SiO2–Na glasses under ArF (193nm) laser

Trukhin

Teteris

Fedotov

et al. 2009

Journal of Non-Crystalline Solids

View full text Add to dashboard Cite

“…Specifically, it is well known that E1 and H1 centers are present in alkali-silicate glasses with their binding energies dependent on temperature. 13) For example, binding energy of E1-like centers in potassiumsilicate glasses increases from ~1.49 eV at 77 K to 1.61 eV at 210 K. In this work, precursor silicate glass is rich potassium, and photon energy of excitation is 1.55 eV (800 nm). Thus, charge carriers trapped by the E1 or H1-like centers in the host glasses were excited by the illumination at low temperatures.…”

Section: Brightening and Darkening Of Photoluminescence From Pbs Qdsmentioning

confidence: 74%

Near-infrared photoluminescence of PbS QDs precipitated in the glass matrix

Liu

Kwon

Heo

2008

J. Ceram. Soc. Japan

View full text Add to dashboard Cite

Optical properties of PbS quantum dots (QDs) precipitated inside the oxide glass matrix were investigated. Photoluminescence (PL) spectra were recorded with peak wavelengths located at 1170-1680 nm with peak width of 150-500 nm. Radii of QDs in glasses were 2.0-3.7 nm depending upon the thermal treatment conditions. Changes in temperatures and excitation intensities resulted in the shift of photoluminescence bands as large as 70 nm, due to the laser-induced local heating. Photoluminescence from PbS QDs showed darkening and brightening behavior. Intensity of the photoluminescence increased with time at low temperature (< 150 K) especially when the excitation intensity was low. Photo-darkening was observed when temperature and/ or illumination intensities increased. Competition between the photo-brightening and photo-darkening determined the final steady-state photoluminescence intensity.

show abstract

“…As discussed in the structural analysis, many defects may be produced during ion implantation and high-temperature annealing. These defects may serve as trapped electron centers and can effectively affect optical absorption [14,15]. It is believed that ion-beam induced defects enhance the optical absorption.…”

Section: Structural Propertiesmentioning

confidence: 99%