Zobrazeno 1 - 10 of 55 pro vyhledávání: '"E G Ponyatovskiĭ"'
1
Decomposition of a solid solution in the ω phase of the Ti-Zr system under high pressure
Autor: V. K. Fedotov, I. O. Bashkin, V. V. Shestakov, E. G. Ponyatovskiĭ, M. K. Sakharov
Publikováno v: Physics of the Solid State. 50:1337-1341
Phase separation in the hexagonal ω modification of the Ti-Zr system was observed. The ω → ω1 + ω2 decomposition in an equiatomic TiZr alloy after prolonged thermal treatment at P = 5.5 ± 0.6 GPa and T = 440 ± 30°C was revealed using x-ray d
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7617dc2cd15e332c556bf8892e54143a
https://doi.org/10.1134/s1063783408070238
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2
Structural aspects of solid-state amorphization in Eu2(MoO4)3 single crystals
Autor: E. A. Kudrenko, Vitaly Sinitsyn, I. M. Shmyt’ko, Redkin Boris S, E. G. Ponyatovskiĭ
Publikováno v: Physics of the Solid State. 49:941-948
X-ray diffraction studies of Eu2(MoO4)3 single crystals were performed, which demonstrate that, in contrast to polycrystalline samples, these crystals do not exhibit amorphous-like diffraction patterns during the reverse transition from the high-pres
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6653c8d0b026cb3319d791e12209a6f5
https://doi.org/10.1134/s106378340705023x
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3
Evolution of the spectral response of amorphous europium molybdate under annealing
Autor: Redkin Boris S, E. G. Ponyatovskiĭ, A. P. Kiselev, S. Z. Shmurak, I. M. Shmyt’ko, E. A. Kudrenko, Vitaly Sinitsyn
Publikováno v: Physics of the Solid State. 48:1544-1552
The phase transformations occurring in amorphous europium molybdate Eu2(MoO4)3 during annealing at atmospheric pressure are studied using optical spectroscopy and x-ray diffractometry. It is established that the metastable β phase is formed at a tem
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::52c297a9b39e7b3e494b5d8ec53951d1
https://doi.org/10.1134/s1063783406080208
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4
Optical spectroscopy of europium molybdate in the crystalline and amorphous States
Autor: Vitaly Sinitsyn, S. Z. Shmurak, I. M. Shmit’ko, A. S. Aronin, Redkin Boris S, A. P. Kiselev, E. G. Ponyatovskiĭ
Publikováno v: Physics of the Solid State. 48:51-57
Comparative spectroscopic studies of crystalline and amorphous samples of Eu2(MoO4)3 were carried out. Amorphous samples were obtained through exposure of the β' crystal phase to a high pressure of ∼9 GPa. It was established that the transition to
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::20de40e8d88f4477b4b262818c069a35
https://doi.org/10.1134/s1063783406010112
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5
Temperature of the superconducting transition in the TiV alloy at pressures up to 60.8 GPa
Autor: V. G. Tissen, E. G. Ponyatovskiĭ, M. V. Nefedova, I. O. Bashkin
Publikováno v: Physics of the Solid State. 51:241-243
The dependence of the temperature of the transition to the superconducting state T c on the pressure up to 60.8 GPa is measured for the TiV alloy. The dependence T c (P) is increasing except for an anomaly in the form of a local minimum near P = 10 G
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bb4e3184346b288671bed7dcd9d1173e
https://doi.org/10.1134/s106378340902005x
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7
Properties of high pressure phases in metal-hydrogen systems
Autor: I. T. Belash, V.E. Antonov, E G Ponyatovskiĭ
Publikováno v: Soviet Physics Uspekhi. 25:596-619
The development of high-pressure technology has in recent years permitted obtaining extensive new information on the properties of hydrides of group VI–VIII transition metals. In this review, the experimental procedures for compressing macroscopic
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eda95d139aa9495481b3c0898171bb30
https://doi.org/10.1070/pu1982v025n08abeh004589
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