Zobrazeno 1 - 10
of 71
pro vyhledávání: '"Evtodiev, Igor"'
Autor:
Evtodiev, Igor, Untila, Dumitru, Evtodiev, Silvia, Caraman, Iuliana, Gaşin, Petru, Dmitroglo, Liliana, Rotaru, Irina, Canţer, Valeriu
Publikováno v:
Moldavian Journal of the Physical Sciences, Vol 16, Iss 3-4, Pp 219-226 (2017)
By thermal annealing of InSe, GaSe, and GaTe crystals in Zn vapors at 800, 870, and 1050K, respectively, a material consisting of ZnSe crystallites in both GaSe and InSe and ZnTe in GaTe has been prepared. Structural defects induced by intercalated a
Externí odkaz:
https://doaj.org/article/4e1bd016d89840789bb2b81dc8d97fa4
Autor:
Dmitroglo, Liliana, Evtodiev, Igor, Caraman, Iuliana, Canţer, Valeriu, Untila, Dumitru, Stamate, Marius, Gaşin, Petru
Publikováno v:
Moldavian Journal of the Physical Sciences, Vol 14, Iss 3-4, Pp 167-176 (2015)
A material consisting of CdSe and GaSe crystallites with average dimensions of 34 nm and 30 nm respectively was obtained by heat treatment at 753K and 853K of GaSe single crystal plates in Cd vapors during 24 hours. As a result of Cd atoms interactio
Externí odkaz:
https://doaj.org/article/fd11fd1ae086442a8f98c175c2503cde
Autor:
Caraman, Mihail, Untila, Dumitru, Canţer, Valeriu, Evtodiev, Igor, Caraman, Iuliana, Sușu, Oana, Leontie, Liviu
Publikováno v:
Moldavian Journal of the Physical Sciences, Vol 14, Iss 1-2, Pp 61-68 (2015)
ZnSe-GaSe nanocomposite plates photoluminescent in a photon energy range of 1.80−2.64 eV were obtained via exposing GaSe single-crystal plates to a Zn-vapor heat treatment at temperatures of 673−873 K. The photoluminescence spectrum is dominated
Externí odkaz:
https://doaj.org/article/0b13fedd9fbe4a269ca46c01e226258c
Autor:
Caraman, Iuliana, Canţer, Valeriu, Evtodiev, Igor, Leontie, Liviu, Arzumanyan, Grigory, Untila, Dumitru, Dmitroglo, Liliana
Publikováno v:
Moldavian Journal of the Physical Sciences, Vol 14, Iss 1-2, Pp 51-60 (2015)
A new composite material composed of GaSe and CdSe has been obtained by treatment of GaSe single-crystal lamellas in Cd vapors at temperatures of 773853 K and intercalation of Cd interlayers. The structure and optical properties of the GaSe-CdSe c
Externí odkaz:
https://doaj.org/article/ed540416260949fc8e7c94939f0111a3
Autor:
Evtodiev, Igor, Rusu, Dragoş-Bogdan, Caraman, Iuliana, Lazar, G, Stamate, Maria, Dafinei, Adrian, Vatavu-Cuculescu, Elmira
Publikováno v:
Moldavian Journal of the Physical Sciences, Vol 10, Iss 2, Pp 201-207 (2011)
ZnO:Al-GaSe:Cd heterojunctions were obtained by the thermal treatment of Cd-doped GaSe lamellae covered with a Zn nanometric layer containing different Al concentrations. The heterostructures were structurally (XRD) and optically (reflection spectra
Externí odkaz:
https://doaj.org/article/e8ba12c1424d43c78895474cc04a40e9
Autor:
Evtodiev, Igor
Publikováno v:
Moldavian Journal of the Physical Sciences, Vol 8, Iss 3-4, Pp 314-318 (2009)
Externí odkaz:
https://doaj.org/article/6e7c25e393bf43da941d2e0113711ee2
Autor:
Evtodiev, Igor
Publikováno v:
Moldavian Journal of the Physical Sciences, Vol 8, Iss 2, Pp 163-168 (2009)
The interface layer of the Bi O /InSe:Cd (0.10 at. %) heterojunction was investigated using optical and electroreflection spectra. The fundamental absorption edge of InSe:Cd interface layer, at 78 K, is formed by the excitonic absorption band n=1, wi
Externí odkaz:
https://doaj.org/article/d216ebcb44d64c9e8740537419673e66
Autor:
Caraman, Mihail, Evtodiev, Igor
Publikováno v:
Moldavian Journal of the Physical Sciences, Vol 7, Iss 1, Pp 32-38 (2008)
Externí odkaz:
https://doaj.org/article/f34b140163104d0d846edb2f9e932975
Publikováno v:
Moldavian Journal of the Physical Sciences, Vol 7, Iss 1, Pp 55-60 (2008)
Externí odkaz:
https://doaj.org/article/f758c951a20644748e12516558dee7e8
Publikováno v:
Moldavian Journal of the Physical Sciences, Vol 6, Iss 2, Pp 180-184 (2007)
The absorption and photoluminescence spectra of GaSe intercalated in C60 fullerene has been investigated at 293 K and 78 K. C60 and C60-toluene molecules intercalated in-between GaSe stratified “packing” cause the appearance of localized levels r
Externí odkaz:
https://doaj.org/article/1013308678274501b7c1bf3dfa9b3be2