Zobrazeno 1 - 10
of 62
pro vyhledávání: '"N.E. Stankova"'
Autor:
D. Karaivanova, Teodor Milenov, A.S. Nikolov, Daniela Karashanova, G. V. Avdeev, Ivalina Avramova, N.E. Stankova, Evgenia Valcheva, D. Dimov, B. Georgieva
The aim of our work was to obtain graphene-like phases (defected graphene, graphene oxide and reduced graphene oxide) as fine suspensions by applying pulsed laser ablation (PLA) to microcrystalline graphite suspension in water medium. The fundamental
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fccf0a7984768fc015de5f9a883d172f
Autor:
N.E. Stankova, E. Iordanova, Reni Iordanova, G. Yankov, R.G. Nikov, L. Aleksandrov, Nikolay N. Nedyalkov, Genoveva Atanasova, M.E. Koleva
Publikováno v:
Applied Surface Science. 475:479-486
This work represents results on the response of noble metal-doped borosilicate glass to laser radiation with femto- and nanosecond pulse duration. The material under study is obtained by conventional melt quenching method as samples with noble metal
Autor:
Reni Iordanova, E. Iordanova, L. Aleksandrov, G. Yankov, M.E. Koleva, Nikolay N. Nedyalkov, N.E. Stankova, R.G. Nikov
Publikováno v:
Applied Surface Science. 463:968-975
Noble metal nanoparticle composed glasses attract significant attention due to the unique optical properties that they express in the near UV and visible spectral range. These are related to the high values of the extinction cross section and nonline
Autor:
Nikolay N. Nedyalkov, I. N. Mihailescu, C. Ristoscu, M. Badiceanu, T. Milenov, A. Dikovska, N.E. Stankova, Daniela Karashanova, A.S. Nikolov
Pulsed laser ablation in liquids is utilized for preparation of composite nanostructures on the basis of TixO2x-1 and Ag. Plates of bulk Ti and Ag immersed in the corresponding liquid serve as targets in the ablation procedure. A nanosecond Nd:YAG pu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ea7a962546a60519007abeafb2e718a7
Autor:
L. Aleksandrov, Nikolay N. Nedyalkov, E. Iordanova, N.E. Stankova, M.E. Koleva, Reni Iordanova, Ro Nikov, G. Yankov
The paper presents results on femtosecond laser irradiation-induced modification of the optical properties of a composite material – gold nanoparticles embedded into a borosilicate glass host. The process is initiated by laser pulses delivered by a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f0451dc53b286d548fb359f15529bb7c
Autor:
Nikolay N. Nedyalkov, Reni Iordanova, N.E. Stankova, L. Aleksandrov, Ts. Genova, Ekaterina Borisova, A. Dikovska, M.E. Koleva, Mitsuhiro Terakawa, R.G. Nikov
This paper describes the luminescence properties of small silver clusters formed by laser treatment of silver-doped borosilicate glass. Using irradiation by a Nd:YAG nanosecond laser system operating at the fourth harmonic wavelength (266 nm), areas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c75ec28f9f66af67f0834310fd462d5c
Autor:
Dragomir Tatchev, Konstantin Kolev, Eugenia Valova, N.E. Stankova, Stephan Armyanov, Petar A. Atanasov
Publikováno v:
Advanced Materials Letters. 9:101-106
Autor:
N.E. Stankova, R.G. Nikov, E. Iordanova, M.G. Grozeva, G. Yankov, M.E. Koleva, L. Aleksandrov, Reni Iordanova, Daniela Karashanova, Nikolay N. Nedyalkov
Publikováno v:
Optical Materials. 75:646-653
In this work the effects of laser radiation and annealing process on the change of the optical properties of gold doped borosilicate glass are presented. The glass is fabricated by conventional melt quenching method as samples with three different co
Autor:
Maria Badiceanu, Hr. Najdenski, Ion N. Mihailescu, C. Ristoscu, Nikolay N. Nedyalkov, E.L. Pavlov, Veselin Kussovski, Latchezar Avramov, A.S. Nikolov, N.E. Stankova, K. Tz. Koev, Daniela Karashanova
Publikováno v:
Optics & Laser Technology. 138:106850
This paper reports on the production of Ag nanoparticles (AgNPs) in a water solution based on a two-phase pulsed laser procedure in view of therapeutic ophthalmological applications requiring AgNPs size of ≤10 nm with a narrow size distribution. Na
Autor:
L. Aleksandrov, Rosen Nikov, Reni Iordanova, Mitsuhiro Terakawa, Nikolay N. Nedyalkov, Mihaela Koleva, N.E. Stankova, Yasutaka Nakajima
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 8, Iss 1, Pp 2454-2463 (2017)
Beilstein Journal of Nanotechnology
Beilstein Journal of Nanotechnology
We present results on laser-assisted formation of two- and three-dimensional structures comprised of gold nanoparticles in glass. The sample material was gold-ion-doped borosilicate glass prepared by conventional melt quenching. The nanoparticle grow