Zobrazeno 1 - 10
of 95
pro vyhledávání: '"T.N. Nurakhmetov"'
Autor:
T.N. Nurakhmetov, T.T. Alibay, R.Z. Bakhtizin, S. Pazylbek, A.Zh. Kainarbay, A.M. Zhunusbekov, B.M. Sadykova, D.A. Tolekov, R.K. Shamieva, A.S. Nurpeissov
Publikováno v:
Eurasian Journal of Physics and Functional Materials, Vol 7, Iss 2, Pp 115-122 (2023)
The Na2SO4 − Dy samples were obtained by slow evaporation method. The spectroscopic methods were used to study the mechanisms of formation of electron and hole trapping centers. Intrinsic recombination emission of 2.9–3.1 eV and impurity emission
Externí odkaz:
https://doaj.org/article/0870ccf94ab14a18b67654127f520265
Autor:
T.N. Nurakhmetov, T.T. Alibay, S. Pazylbek, A.M. Zhunusbekov, B.M. Sadykova, D.A. Tolekov, R.K. Shamieva, A.S. Nurpeissov
Publikováno v:
Eurasian Journal of Physics and Functional Materials, Vol 7, Iss 1, Pp 38-44 (2023)
The Na2SO4 samples were obtained by slow evaporation method. The mechanisms of the formation of electron and hole trapping centers are investigated by spectroscopic methods. Intrinsic recombination emission of 2.9–3.1 eV and impurity emission of 1
Externí odkaz:
https://doaj.org/article/9010ab82e04c4362a8c0ff4bfe4b48ab
Autor:
B.A. Duisenbay, T.T. Alibay, A.S. Akhmetova, K.B. Zhangylyssov, R.K. Daurenbekova, A.Zh. Kainarbay, T.N. Nurakhmetov, D.H. Daurenbekov
Publikováno v:
Eurasian Journal of Physics and Functional Materials, Vol 6, Iss 3, Pp 244-250 (2022)
Various variations of the synthesis of ZnSe quantum dots are investigated. The influence of temperature, the concentration of precursors and the time of synthesis of quantum dots was taken into account. Aliquot absorption spectra is measured for vari
Externí odkaz:
https://doaj.org/article/0ba954ffe3b949e3b0a6d47786a69031
Autor:
T.N. Nurakhmetov, A.M. Zhunusbekov, A.Zh. Kainarbay, D.H. Daurenbekov, D.A. Tolekov, B.M. Sadykova, N.I. Temirkulova, K.B. Zhangylyssov, T.T. Alibay, R.K. Shamieva, A.A. Manat, T.M. Kabadulla
Publikováno v:
Eurasian Journal of Physics and Functional Materials, Vol 6, Iss 2, Pp 132-138 (2022)
The nature of intrinsic emission and the creation of electron-hole trapping centers in irradiated with ultraviolet and X-rays at 15 K and 300 K was investigated in Li2SO4 by methods of spectroscopy. It is shown that in activated Li2 SO4 with an energ
Externí odkaz:
https://doaj.org/article/df744721ab1f4d658040390bef92fb20
Autor:
T.N. Nurakhmetov, B.N. Yussupbekova, A.M. Zhunusbekov, D.H. Daurenbekov, B.M. Sadykova, K.B. Zhangylyssov, T.T. Alibay, D.A. Tolekov
Publikováno v:
Eurasian Journal of Physics and Functional Materials, Vol 5, Iss 3, Pp 200-208 (2021)
The mechanisms of creation of impurity and intrinsic electron-hole trapping centers in Na2SO4 − Cu crystals have been investigated by spectroscopic methods. It is shown that impurity and intrinsic electron-hole trapping centers in the crystal latti
Externí odkaz:
https://doaj.org/article/44493ee1da5141abbd74e820f5ea768b
Autor:
T.N. Nurakhmetov, K.B. Zhangylyssov, A.M. Zhunusbekov, D.H. Daurenbekov, T.T. Alibay, B.M. Sadykova, B.N. Yussupbekova, D.A. Tolekov
Publikováno v:
Eurasian Journal of Physics and Functional Materials, Vol 5, Iss 3, Pp 235-241 (2021)
The mechanism of creation of electron-hole trapping centers in CaSO4 at 15-300 K was investigated by the methods of vacuum-ultraviolet and thermoactivation spectroscopy. It is shown that electron-hole trapping centers are formed upon trap of electron
Externí odkaz:
https://doaj.org/article/113883cf7b62469db61b9378aa876b48
Autor:
T.N. Nurakhmetov, Zh.M. Salikhodzha, R.Z. Bakhtizin, K.B. Zhangylyssov, A.M. Zhunusbekov, A.Zh. Kainarbay, D.H. Daurenbekov, Zh. Azmagambetova, B.M. Sadykova, B.N. Yussupbekova, T.T. Alibay, D.A. Tolekov, N. Tulebayeva, B. Adil
Publikováno v:
Eurasian Journal of Physics and Functional Materials, Vol 5, Iss 2, Pp 133-139 (2021)
The synthesized SrSO4 crystalline powders were irradiated at photon energies from 6 ÷ 12 eV, in the temperature range from 15 ÷ 300 K. The investigation was carried out by the methods of atomic absorption, luminescence and vacuum ultraviolet spectr
Externí odkaz:
https://doaj.org/article/146222d009fd4a39a61f92591fd781bc
Autor:
T.N. Nurakhmetov, Zh.M. Salikhodzha, M.Y. Dolomatov, B.N. Yussupbekova, A.M. Zhunusbekov, A.Zh. Kainarbay, D.H. Daurenbekov, B.M. Sadykova, K.B. Zhangylyssov, T.T. Alibay, D.A. Tolekov
Publikováno v:
Eurasian Journal of Physics and Functional Materials, Vol 5, Iss 2, Pp 140-147 (2021)
In the present work, the emission and excitation spectra in Li2SO4-Cu crystals have been obtained by the methods of vacuum-ultraviolet and thermoactivation spectroscopy. We have studied the nature of emission from a pressed and annealed sample of Li2
Externí odkaz:
https://doaj.org/article/25ca3e4d6e96427080fe58ac6805c27a
Autor:
T.N. Nurakhmetov, Zh.M. Salikhodzha, K.B. Zhangylyssov, A.M. Zhunusbekov, A.Zh. Kainarbay, D.H. Daurenbekov, Zh. Azmagambetova, B.M. Sadykova, B.N. Yussupbekova, T.T. Alibay, D.A. Tolekov, N. Tulebayeva
Publikováno v:
Eurasian Journal of Physics and Functional Materials, Vol 5, Iss 1, Pp 31-38 (2021)
The nature of the impurity emission center and the energy transfer mechanisms from intrinsic electronic excitations to the Mn2+ impurity centers in the CaSO4 − Mn crystal have been investigated. The methods of vacuum ultraviolet, atomic absorption
Externí odkaz:
https://doaj.org/article/1b4cbdceed244947b6f225fe9b3337b6
Autor:
T.N. Nurakhmetov, Zh.M. Salikhodzha, A.M. Zhunusbekov, A.Zh. Kainarbay, D.H. Daurenbekov, T.T. Alibay, B.M. Sadykova, K.B. Zhangylyssov, B.N. Yussupbekova, D.A. Tolekov
Publikováno v:
Eurasian Journal of Physics and Functional Materials, Vol 5, Iss 1, Pp 24-30 (2021)
The mechanisms of creation of electron-hole trapping centers in LiKSO4 have been investigated by the methods of vacuum and thermal activation spectroscopy. It is shown that electron-hole trapping centers are formed during the trapping of electrons by
Externí odkaz:
https://doaj.org/article/f44acb78fd8b439f9dbccbb52d859a99