Zobrazeno 1 - 10
of 27
pro vyhledávání: '"M.V. Derdzyan"'
Akademický článek
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Publikováno v:
Photonics and Nanostructures - Fundamentals and Applications. 31:71-76
The first experimental realization of the non-diffracting Bessel beam technique for micro-structuring of thin rubidium metallic films on the sapphire surface is reported. Rubidium atoms were deposited onto the cool sapphire windows from the heated ce
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::327d3992ef516e6975ed4e502e090dfa
https://doi.org/10.1016/j.photonics.2018.06.008
https://doi.org/10.1016/j.photonics.2018.06.008
Autor:
Karine Hovhannesyan, A.V. Eganyan, M.V. Derdzyan, Ashot Petrosyan, S.P. Feofilov, R.S. Sargsyan, H.R. Asatryan
Publikováno v:
Materials Chemistry and Physics. 185:39-43
Single crystals of 151Eu:YAG were grown by the vertical Bridgman method using Eu2O3 with isotopic enrichment of 151Eu of 97.5%. Additional Hf4+or Si4+ ions were introduced to favor a high concentrations of Eu2+. As compared to Eu:YAG with natural iso
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7790f108f3c6299a8272725606f12e7b
https://doi.org/10.1016/j.matchemphys.2016.10.002
https://doi.org/10.1016/j.matchemphys.2016.10.002
Autor:
Etiennette Auffray, Ashot Petrosyan, Karine Hovhannesyan, Artur Novikov, Christophe Dujardin, M.V. Derdzyan
Publikováno v:
physica status solidi (b)
physica status solidi (b), Wiley, 2019, 256 (8), pp.1800724. ⟨10.1002/pssb.201800724⟩
physica status solidi (b), Wiley, 2019, 256 (8), pp.1800724. ⟨10.1002/pssb.201800724⟩
International audience; Optical absorption spectra measured in as‐grown and gamma‐ray irradiated un‐doped YAG, Li‐doped YAG, and Ca‐doped YAG single crystals are compared for characterization of effects introduced by impurities. The studies
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::344202ca0208419fc9291f7fc561df51
Akademický článek
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Akademický článek
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Autor:
Gohar Tsakanova, L. R. Aloyan, Arsham Yeremyan, S. Sh. Tatikyan, M.V. Derdzyan, Gayane Amatuni, Rouben Aroutiounian, V.V. Harutiunyan, Norayr Martirosyan, Hakob Davtyan, Ashot Vardanyan, Vahagn Vardanyan, N.E. Grigoryan, V.V. Buniatyan, Bagrat Grigoryan, V. Tsakanov, Vahan Petrosyan, Vahe Sahakyan, S.G. Haroutyunian, Ashot Petrosyan, Aram A. Sahakyan, Laura Hakobyan, Avetis Simonyan, E. Tsovyan, Hrant N. Yeritsyan, Yeva B. Dalyan, Nelly Babayan, V.Sh. Avagyan, Gevorg Zanyan, L.G. Aslanyan, G.S. Melikyan, A.A. Sargsyan, K.L. Hovhannesyan, Vitali Khachatryan
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
The AREAL laser-driven RF gun provides 2–5 MeV energy ultrashort electron pulses for experimental study in life and materials sciences. We report the first experimental results of the AREAL beam application in the study of molecular-genetic effects
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9ab0d8bdefc6f81cb86dfe725f891f47
https://doi.org/10.1016/j.nima.2016.02.028
https://doi.org/10.1016/j.nima.2016.02.028
Publikováno v:
physica status solidi (b)
physica status solidi (b), Wiley, In press, pp.2000243. ⟨10.1002/pssb.202000243⟩
physica status solidi (b), Wiley, In press, pp.2000243. ⟨10.1002/pssb.202000243⟩
International audience; Herein, optical‐quality single crystals of yttrium aluminum garnet (YAG):Ce,Ca,Li are grown by the vertical Bridgman method. Substitution and charge compensation mechanisms of Li+ are considered based on optical absorption i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f3f352ad19497d53ce2c6526241d623c
https://doi.org/10.1002/pssb.202000243
https://doi.org/10.1002/pssb.202000243
Autor:
Karine Hovhannesyan, Christophe Dujardin, M.V. Derdzyan, Ashot Petrosyan, A. V. Yeganyan, R. V. Sargsyan, Artur Novikov
Publikováno v:
CrystEngComm
CrystEngComm, Royal Society of Chemistry, 2018, 20 (11), pp.1520-1526. ⟨10.1039/c7ce02194a⟩
CrystEngComm, Royal Society of Chemistry, 2018, 20 (11), pp.1520-1526. ⟨10.1039/c7ce02194a⟩
International audience; Using a combination of experimental methods, the substitution tendencies of Li+ and involved charge compensation mechanisms are determined and compared in two important similar scintillators, LuAG:Ce and YAG:Ce. The studies we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5fa32d26f9e6ae1acf6bab54b61daccd
https://hal.archives-ouvertes.fr/hal-02287417
https://hal.archives-ouvertes.fr/hal-02287417
Autor:
F. Moretti, Ashot Petrosyan, Gregory Bizarri, Karine Hovhannesyan, M.V. Derdzyan, Edith Bourret, Christophe Dujardin
Publikováno v:
ChemPhysChem
ChemPhysChem, Wiley-VCH Verlag, 2017, 18, pp.493-499. ⟨10.1002/cphc.201601190⟩
ChemPhysChem, Wiley-VCH Verlag, 2017, 18, pp.493-499. ⟨10.1002/cphc.201601190⟩
International audience; The influence of Ca codoping on the optical absorption, photo‐, radio‐, and thermo‐luminescence properties of YAlO3:Ce (YAP:Ce) crystals has been studied for four different calcium concentrations ranging from 0 to 500 pp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f6cd340bca21086e4a54b45a6ba42949
http://hdl.handle.net/10281/149330
http://hdl.handle.net/10281/149330