Search Results - "KOVALSKIY, A"

Chemical order in Ga or Sb modified germanium sulfide glasses around stoichiometry: High-resolution XPS and Raman studies by Golovchak, R., Nazabal, V., Bureau, B., Oelgoetz, J., Kovalskiy, A., Jain, H.

“…To understand the unique features of germanium sulfide (~60–70 at.% of S) glasses modified with Ga or Sb, the chemical order in these materials is investigated…”
Get full text

High-resolution XPS for determining the chemical order in chalcogenide network glasses by Golovchak, R., Shpotyuk, O., Kovalskiy, A.

“…The power of X-ray photoelectron spectroscopy (XPS) measurements and analysis is demonstrated to establish the structure of network glasses using the examples…”
Get full text

Mechanism of the dissolution of As–S chalcogenide glass in n-butylamine and its influence on the structure of spin coated layers by Slang, S., Palka, K., Loghina, L., Kovalskiy, A., Jain, H., Vlcek, M.

“…Chalcogenide glass thin layers are useful to many practical applications especially for the fabrication of infrared (IR) optical elements. In comparison to the…”
Get full text

Oxygen incorporation into GST phase-change memory matrix by Golovchak, R., Choi, Y.G., Kozyukhin, S., Chigirinsky, Yu, Kovalskiy, A., Xiong-Skiba, P., Trimble, J., Pafchek, R., Jain, H.

“…•Surfaces of GST-225 films are depleted in Te as a result of the reaction with oxygen.•Top layers of oxidized GST-225 are formed by Sb and Ge oxide…”
Get full text

Structural origin of electrical conductivity of copper lithium metaphosphate glasses by Mugoni, C., Jain, H., Montorsi, M., Montecchi, M., Kovalskiy, A., Siligardi, C.

“…We have sought the structural origin of the recently reported electrical conductivity of lithium copper phosphate glass system (50-x) Li2O-xCu2O-50 P2O5, as…”
Get full text

Remedial insight on ageing of glass through the study of ancient man‐made artefacts by Golovchak, R., Kovalskiy, A., Shpotyuk, Y., Mahlovanyi, B., Ploch, D., Ignatova, T., Kozdras, A., Cebulski, J., Czopek, S.

“…Ancient man‐made glass artefacts provide vital information about the physical and chemical processes occurring over the long‐term period of weathering…”
Get full text

Intrinsic phase separation in low-temperature quenched arsenic trisulfide glass by Shpotyuk, O., Kovalskiy, A., Trimble, J., Vlček, M., Shpotyuk, Ya, Kozyukhin, S.

“…The nature of intrinsic phase separation initiated under different homogenization routes is studied in arsenic trisulfide As2S3 glass using Raman scattering…”
Get full text

Topology and chemical order in AsxGexSe1-2x glasses: A high-resolution X-ray photoelectron spectroscopy study by GOLOVCHAK, R, SHPOTYUK, O, IOVU, M, KOVALSKIY, A, JAIN, H

Get full text

Structure of SbxGe40-xSe60 glasses around 2.67 average coordination number by Sati, Dinesh C., Kovalskiy, A., Golovchak, R., Jain, H.

“…The evolution of the structure of SbxGe40-xSe60 (x=8, 12, 15, 18 and 20) chalcogenide glasses is determined by high resolution X-ray photoelectron spectroscopy…”
Get full text

Structural organization of As-rich selenide glasses by Golovchak, R., Kovalskiy, A., Shpotyuk, O., Jain, H.

“…The structure of bulk AsxSe100−x (40≤x≤55) glasses, prepared by conventional melt-quenching method, is investigated using high-resolution XPS. The moieties of…”
Get full text

Replacing Lab Report Grading by Online Lab Quizzes by Xiong-Skiba, P, Buckner, S, Little, C, Kovalskiy, A

“…This paper reports our work on replacing lab report grading by post-online lab quizzes using Desire2Learn (D2L, an online course management software),…”
Get more information

Evolution of chemical structure during silver photodiffusion into chalcogenide glass thin films by Kovalskiy, A., Jain, H., Mitkova, M.

“…The change of chemical structure resulting after X-ray and photo-induced silver diffusion into chalcogenide glass (ChG) thin films is monitored by high…”
Get full text

Medium range order and structural relaxation in As–Se network glasses through FSDP analysis by Golovchak, R., Lucas, P., Oelgoetz, J., Kovalskiy, A., York-Winegar, J., Saiyasombat, Ch, Shpotyuk, O., Feygenson, M., Neuefeind, J., Jain, H.

“…Synchrotron X-ray diffraction and neutron scattering studies are performed on As–Se glasses in two states: as-prepared (rejuvenated) and aged for ∼27 years…”
Get full text

Doping of Carbon Layers Grown by the Pulsed Laser Technique by Danilov, Yu. A., Alaferdov, A. V., Vikhrova, O.V., Zdoroveyshchev, D. A., Kovalskiy, V. A., Kriukov, R. N., Kuznetsov, Yu. M., Lesnikov, V. P., Nezhdanov, A. V., Drozdov, M. N.

“…The possibilities of doping carbon layers grown by pulsed laser deposition with transition-metal impurities are analyzed. The composition and optical and…”
Get full text

Carbon Films Produced by the Pulsed Laser Method and Their Influence on the Properties of GaAs Structures by Danilov, Yu. A., Ved’, M. V., Vikhrova, O. V., Dikareva, N. V., Drozdov, M. N., Zvonkov, B. N., Kovalskiy, V. A., Kriukov, R. N., Kudrin, A. V., Lesnikov, V. P., Yunin, P. A., Andreev, A. M.

“…The properties of carbon layers produced on GaAs substrates by the pulsed laser sputtering of pyrolytic graphite in vacuum are studied. The optimal deposition…”
Get full text

Structural model of homogeneous As-S glasses derived from Raman spectroscopy and high-resolution XPS by Golovchak, R., Shpotyuk, O., Mccloy, J.S., Riley, B.J., Windisch, C.F., Sundaram, S.K., Kovalskiy, A., Jain, H.

“…The structure of homogeneous bulk As x S 100− x (25 ≤ x ≤ 42) glasses, prepared by the conventional rocking-melting-quenching method, was investigated using…”
Get full text

Short-range order evolution in S-rich Ge–S glasses by X-ray photoelectron spectroscopy by Golovchak, R., Shpotyuk, O., Kozyukhin, S., Shpotyuk, M., Kovalskiy, A., Jain, H.

“…The structure of binary Ge x S 100 − x chalcogenide glasses (10 < x < 30) is determined by high-resolution X-ray photoelectron spectroscopy (XPS). On the basis…”
Get full text

Investigation of interdiffusion in Sb/As2S3 nano-layered structures by high-resolution X-ray photoelectron spectroscopy by TAKATS, V, MILLER, A. C, JAIN, H, KOVALSKIY, A, KOKENYESI, S

“…The photo-stimulated interdiffusion within chalcogenide based nano-layered structures (NLS) produces large changes in properties, which have potential…”
Get full text

Fabrication of nano-gratings in arsenic sulphide films by Neilson, J.R., Kovalskiy, A., Vlček, M., Jain, H., Miller, F.

“…Chalcogenide glasses, generally soluble in alkaline solvents, become more resistant to etching in amine-based solvents after exposure to high energy electrons…”
Get full text

Comparative study of electron-and photo-induced structural transformations on the surface of As35S65 amorphous thin films by KOVALSKIY, A, NEILSON, J. R, MILLER, A. C, MILLER, F. C, VLCEK, M, JAIN, H

Get full text