Zobrazeno 1 - 10
of 139
pro vyhledávání: '"Vitaliy Romaka"'
Autor:
Rasa Changizi, Stefan Zaefferer, Christian Ziegler, Vitaliy Romaka, Bettina V. Lotsch, Christina Scheu
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-8 (2023)
Abstract Due to the novel properties of both 2D materials and rare-earth elements, developing 2D rare-earth nanomaterials has a growing interest in research. To produce the most efficient rare-earth nanosheets, it is essential to find out the correla
Externí odkaz:
https://doaj.org/article/2eb03efd52884d398f14ecf19a20f943
Autor:
Yuriy Stadnyk, Vitaliy Romaka, Vladimir Romaka, Andriy Horyn, Lyubov Romaka, Vladimir Krayovskyy, Ivanna Romaniv
Publikováno v:
Фізика і хімія твердого тіла, Vol 20, Iss 2, Pp 127-132 (2019)
The peculiarities of electronic and crystal structures of Zr1-xVxNiSn (x = 0-0.10) semiconductive solid solution were investigated. To predict Fermi level εF behavior, band gap εg and electrokinetic characteristics of Zr1-xVxNiSn, the distribution
Externí odkaz:
https://doaj.org/article/e4602b9e844f4e77afbe6259d6fac78f
Publikováno v:
Фізика і хімія твердого тіла, Vol 20, Iss 1, Pp 69-76 (2019)
The isothermal sections of the phase diagrams of the Lu–V–Ge and Lu-V-Sn ternary systems were constructed at 870 K over the whole concentration range using X-ray diffraction and EPM analyses. In the Lu-V-Ge system a formation of the substitutiona
Externí odkaz:
https://doaj.org/article/99e03ddd8477479a9b403f4876c561bb
Autor:
Lyubov Romaka, Yuriy Stadnyk, Vitaliy Romaka, Peter-Franz Rogl, Vladimir Romaka, Andriy Horyn
Publikováno v:
Фізика і хімія твердого тіла, Vol 19, Iss 2, Pp 151-158 (2018)
The peculiarities of crystal and electronic structures, thermodynamic and energy state characteristics of the ZrNi1-xRhxSn semiconductive solid solution were investigated. It has been shown that in the ZrNiSn compound simultaneously exist two types o
Externí odkaz:
https://doaj.org/article/95fea6926ed44016b754615cdde82fcd
Publikováno v:
Фізика і хімія твердого тіла, Vol 19, Iss 2, Pp 139-146 (2018)
The interaction of the components in the Ho-Cu-Sn ternary system was investigated at 670 K over the whole concentration range using X-ray diffraction and EPM analyses. Four ternary compounds were formed in the Ho–Cu–Sn system at 670 K: HoCuSn (Li
Externí odkaz:
https://doaj.org/article/a599456473784729bff6f42b0531c4c7
Autor:
Mariia Maliuta, Irena Senkovska, Ronja Thümmler, Sebastian Ehrling, Sophi Becker, Vitaliy Romaka, Volodymyr Bon, Jack D. Evans, Stefan Kaskel
Publikováno v:
Dalton Transactions. 52:2816-2824
The nature of metal in the isomorphous flexible DUT-8(M) ([M2(2,6-ndc)2(dabco)]n) MOFs influences the flexibility, leading to the gate opening behaviour if M = Ni, Co, or Zn and to the breathing if M = Cu.
Autor:
Tetiana Prikhna, Mykola Monastyrov, Ivan Soldatov, Bernd Büchner, Lars Giebeler, Aniruddha Sathyadharma Prasad, Orest Ostash, Viktor Moshchil, Viktoriya Podhurska, Pavel Potapov, Vitaliy Romaka, Kai Neufeld, Robert Kluge, Tetiana Serbenyuk, Myroslav Karpets, Mykhaylo Omelyanenko, Anja Wolter-Giraud, Semyon Ponomaryov
Publikováno v:
Ceramics International.
Publikováno v:
Фізика і хімія твердого тіла, Vol 22, Iss 2, Pp 248-254 (2021)
The isothermal section of the phase diagram of the Gd–Cr–Ge ternary system was constructed at 1070 K over the whole concentration range using X-ray diffractometry, metallography and electron microprobe (EPM) analysis. Three ternary compounds are
Autor:
Volodymyr Pashkevych, Andriy Horyn, V. A. Romaka, Andriy Horpenuk, Volodymyr Krayovskyy, L. P. Romaka, Yuriy Stadnyk, Vitaliy Romaka
Publikováno v:
Measuring Equipment and Metrology. 82:16-21
Automated The results of modeling performances of the semiconductor solid solution Er1-xScxNiSb are presented, which can be a promising thermometric material for the manufacture of sensitive elements of thermoelectric and electroresistive thermocoupl
Autor:
Vitaliy Romaka, Marco Naumann, Martin Knupfer, Francesco Scaravaggi, Saicharan Aswartham, Bernd Büchner, Rhea Kappenberger, Anja U. B. Wolter, Sabine Wurmehl, S. Selter
Publikováno v:
Inorganic Chemistry. 59:16913-16923
We present a systematic study of the evolution of structural parameters and electronic correlations as a function of 3d band filling in a single crystal series of BaT2As2 (T = Cr-Cu). The structure trends are discussed in relation to the orbital occu