Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Roman Yu. Babkin"'
Autor:
Andrei N. Salak, Daniel E. L. Vieira, Irina M. Lukienko, Yuriy O. Shapovalov, Alexey V. Fedorchenko, Elena L. Fertman, Yurii G. Pashkevich, Roman Yu. Babkin, Aleksandr D. Shilin, Vasili V. Rubanik, Mário G. S. Ferreira, Joaquim M. Vieira
Publikováno v:
ChemEngineering, Vol 3, Iss 3, p 62 (2019)
High-quality stoichiometric Co2Al−NO3 and Co2Al−CO3 layered double hydroxides (LDHs) have been obtained by precipitation followed by anion exchange, both high-power-sonication assisted. Application of high-power ultrasound has been demonstrated t
Externí odkaz:
https://doaj.org/article/36e8f25c1f364965b46d6ada5610ddeb
Autor:
Vladimir M. Gnezdilov, Vadim Ksenofontov, Angela Möller, Peter Lemmens, R. Klauer, Martin Panthöfer, Yu. G. Pashkevich, Roman Yu. Babkin
Publikováno v:
The Journal of Physical Chemistry C. 125:5947-5956
The ground state of Fe2+ (S = 2) in α- and β-FeMoO4 is investigated by experiments including X-ray diffraction, Raman scattering, and 57Fe–Mossbauer spectroscopy below 300 K and evaluated by theore...
Autor:
Roman Yu. Babkin, Peter Lemmens, Joaquim M. Vieira, Yurii G. Pashkevich, Irina M. Lukienko, Daniel E. L. Vieira, Dirk Wulferding, Vladimir Gnezdiov, Andrei N. Salak
Publikováno v:
2021 IEEE 11th International Conference Nanomaterials: Applications & Properties (NAP).
The variations of Raman and optic absorption spectra of Co-Al layered double hydroxides (LDH) intercalated with nitrate and carbonate anions have been studied as a function of the $Co^{2+}/A1^{3+}$ ratio. It was revealed from the comparative analysis
Autor:
Alexander Feher, Elena Fertman, Christopher M.A. Brett, Alexey V. Fedorchenko, Erik Čižmár, Yurii G. Pashkevich, Roman Yu. Babkin, Andrei N. Salak, Daniel E. L. Vieira, João Pedro Cardoso, Joaquim M. Vieira
Publikováno v:
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Submitted by Andrei Salak (salak@ua.pt) on 2021-07-13T15:40:07Z No. of bitstreams: 1 cc57_6899.pdf: 2865753 bytes, checksum: 96e7466897a7f777a158ed44b878a523 (MD5) Approved for entry into archive by Rita Gonçalves (ritaisabel@ua.pt) on 2021-07-21T10
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0ff2afd1e29f6a6a341e89010cfc8eae
http://hdl.handle.net/10773/31607
http://hdl.handle.net/10773/31607
Autor:
Daniel E L, Vieira, João P V, Cardoso, Alexey V, Fedorchenko, Elena L, Fertman, Erik, ČiŽmár, Alexander, Feher, Roman Yu, Babkin, Yurii G, Pashkevich, Christopher M A, Brett, Joaquim M, Vieira, Andrei N, Salak
Publikováno v:
Chemical communications (Cambridge, England). 57(56)
Precipitation of nanocrystallites of cobalt-aluminium layered double hydroxides in a magnetic field has been studied. In a magnetic field perpendicular to the substrate, dense and homogeneous films have been obtained. Magnetic anisotropy of the cryst
Autor:
Yurii G. Pashkevich, Nina Popenko, Dariya Savchenko, Nazar Kovalenko, Bekir Bekirov, Maxim Gidulyanov, Sergii Orel, Igor Ivanchenko, Roman Yu. Babkin, K. V. Lamonova
Publikováno v:
2020 IEEE Ukrainian Microwave Week (UkrMW).
Zinc selenide (ZnSe) doped with iron (ZnSe:Fe) has been obtained by the Bridgman method under excessive pressure of Ar. The microstructure analysis showed the sample has a homogeneous structure, which corresponds to the ZnSe:Fe solid solution. The Zn
Publikováno v:
Spectroscopy Letters. 50:482-488
A semi-empirical method to describe the electron structure of free many-electron rare-earth ions has been proposed. The method takes into account the spin–orbit interaction as well as relativistic interactions known as Breit’s terms. It is shown
Autor:
Daniel E. L. Vieira, Erik Čižmár, Elena Fertman, Andrei N. Salak, Vladimir Desnenko, Roman Yu. Babkin, Yurii G. Pashkevich, Alexey V. Fedorchenko, Alexander Feher, Mário G.S. Ferreira, Augusto B. Lopes
Publikováno v:
Low Temperature Physics
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Magnetic behavior of CoII(n)AlIII layered double hydroxides (LDHs) (n=Co/Al=2 and 3) intercalated with nitrate was studied as a function of temperature. Both LDH compounds are paramagnetic above about 8K. A rapid increase of their magnetic moments oc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3cfe99dcd911670ddd998b21f2f76e2e
http://hdl.handle.net/10773/25389
http://hdl.handle.net/10773/25389
Autor:
Aleksandr D. Shilin, Irina M. Lukienko, V. Rubanik, Alexey V. Fedorchenko, Elena Fertman, Yuriy O. Shapovalov, Mário G.S. Ferreira, Roman Yu. Babkin, Joaquim M. Vieira, Yurii G. Pashkevich, Andrei N. Salak, Daniel E. L. Vieira
Publikováno v:
ChemEngineering, Vol 3, Iss 3, p 62 (2019)
ChemEngineering
Volume 3
Issue 3
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
ChemEngineering
Volume 3
Issue 3
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
High-quality stoichiometric Co2Al&ndash
NO3 and Co2Al&ndash
CO3 layered double hydroxides (LDHs) have been obtained by precipitation followed by anion exchange, both high-power-sonication assisted. Application of high-power ultrasound has b
NO3 and Co2Al&ndash
CO3 layered double hydroxides (LDHs) have been obtained by precipitation followed by anion exchange, both high-power-sonication assisted. Application of high-power ultrasound has b
Autor:
Elena Zhitlukhina, Sergei G. Ovchinnikov, K. V. Lamonova, Yurii G. Pashkevich, Sergei M. Orel, Roman Yu. Babkin
Publikováno v:
The Journal of Physical Chemistry A. 115:13596-13604
Electronic spectra of 3d(n) transition ions in an octahedral ligand surrounding have been studied using the modified crystal field approach (MCFA), which includes a relativistic spin-orbital interaction. A new variable parameter, the effective nuclea