Zobrazeno 1 - 10
of 30
pro vyhledávání: '"R Stoycheva-Topalova"'
Publikováno v:
Journal of Non-Crystalline Solids. :582-585
Thin-film sensors based on evaporated layers of pure and doped chalcogenide glasses with thickness in the nanometer range have been developed. The layers have been investigated by means of scanning electron microscopy and AES spectroscopy. Electroche
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4befcdc2fb7427e7e4eeb50c928598df
https://doi.org/10.1016/j.jnoncrysol.2004.03.047
https://doi.org/10.1016/j.jnoncrysol.2004.03.047
Autor:
S Sainov, R. Stoycheva-Topalova
Publikováno v:
Vacuum. 69:365-369
The chalcogenide As–S glass films are very attractive for holographic grating preparation because of their large photo-induced optical changes. The minimal thickness of the films for homogeneous (plane) wave recording, is experimentally determined
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e479373b9fb88404131b27053bebef3f
https://doi.org/10.1016/s0042-207x(02)00360-3
https://doi.org/10.1016/s0042-207x(02)00360-3
Publikováno v:
Vacuum. 58:447-453
The ion-induced structural changes in evaporated layers of a-As 2 S 3 under the action of Ga + ions with energy 19 keV and doses between 10 12 and 10 15 ions cm −2 are studied. It is shown that the solubility of the evaporated layers of As 2 S 3 in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7d3377a72b6e65a4ffe13fcbd76990e4
https://doi.org/10.1016/s0042-207x(00)00204-9
https://doi.org/10.1016/s0042-207x(00)00204-9
Publikováno v:
Journal of Non-Crystalline Solids. :985-988
The possibilities of using photodoped chalcogenide layers evaporated on standard Si/SiO 2 /Si 3 N 4 substrates as Cu ion sensitive membranes for ion selective field-effect transistors (ISFETs) are investigated. The optimal concentrations of the doped
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8a94bb6735c4e82ed719a1ad7e532aae
https://doi.org/10.1016/s0022-3093(00)00039-9
https://doi.org/10.1016/s0022-3093(00)00039-9
Autor:
S. Sainov, R Stoycheva-Topalova
Publikováno v:
Journal of Optics A: Pure and Applied Optics. 2:117-120
We present a theoretical background and experimental verification of holographic recording in nano-sized films. The interference pattern is created by a total internal reflected (TIR) reference wave and normally incident plane one. Due to a surface-p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::16fdcc9c477cf30977f9cf364ba69925
https://doi.org/10.1088/1464-4258/2/2/308
https://doi.org/10.1088/1464-4258/2/2/308
Publikováno v:
Journal of Non-Crystalline Solids. 260:195-198
The possibilities of using thin layers of As 2 S 3 and AgI as ion sensitive membranes for ion selective field-effect transistors (ISFETs) are investigated. The thin films have been prepared by vacuum deposition on static and rotating substrates. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a874edf59ce973e4528cd0f79c3b1979
https://doi.org/10.1016/s0022-3093(99)00574-8
https://doi.org/10.1016/s0022-3093(99)00574-8
Publikováno v:
Journal of Materials Science: Materials in Electronics. 14:843-845
Thin-film sensors based upon evaporated layers of chalcogenide glasses and sensitive to silver, copper, and lead ions have been developed. The optimal contents of the membranes were established and the electrochemical characteristics were investigate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa977e522964160e29da7ba420821602
https://doi.org/10.1023/a:1026102631596
https://doi.org/10.1023/a:1026102631596
Autor:
A. Buroff, R. Stoycheva-Topalova
Publikováno v:
Journal of Non-Crystalline Solids. :1207-1210
The photo- and thermally induced changes in the dissolution rate of a-As x S 1−x and Ag/As x S 1−x evaporated layers are followed at different temperatures and As contents (x). The activation energy for thermoinduced changes as dependent on x coi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4a8ba360fcbeb8595aeb5d41fa2be7e5
https://doi.org/10.1016/0022-3093(93)91217-q
https://doi.org/10.1016/0022-3093(93)91217-q
Publikováno v:
Vacuum. 51:277-279
The ion induced structural changes in evaporated layers of a-As 2 S 3 under the action of Au + ions with energies in the range of 6–19 keV and beam fluxes between 10 12 to 10 15 ions\cm 2 are studied. It is shown that the solubility of the evaporat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29a0093558e97e7a032ec5b0fee3a8b8
https://doi.org/10.1016/s0042-207x(98)00174-2
https://doi.org/10.1016/s0042-207x(98)00174-2
Publikováno v:
Vacuum. 51:273-275
The changes in the solubility of a-As2S3 evaporated layers under Au+ ion irradiation occur in a greater depth than the ion penetration range calculated by the TRIM program. An XPS analysis was made to elucidate the phenomenon. Surface and depth distr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a6aba56b8fcc05b8ce9d63e746bc5a3d
https://doi.org/10.1016/s0042-207x(98)00173-0
https://doi.org/10.1016/s0042-207x(98)00173-0