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Akademický článek

Effect of Gadolinium Doping on the Structure of Ce1-xGdxO2-x/2 Solid Solutions Prepared by Ionic Gelation Approach

Autor: V. Ilcheva, V. Boev, E. Lefterova, G. Avdeev, O. Dimitrov, N. Bojanova, H. Kolev, T. Petkova

Publikováno v: Emerging Science Journal, Vol 8, Iss 5, Pp 1686-1696 (2024)

The current research aims to present the structural characterization of Gd-doped ceria powders and ceramics, investigating the structural evolution resulting from cerium substitution with Gd across the entire composition range from 0 to 100 mol.% Gd2

Externí odkaz: https://doaj.org/article/1f2e2f9f586b4f3ab7f3120cbf64e893

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Akademický článek

High intensity orange-red emission of chemically deposited Sm3+-doped ZrO2 thin films - Beneficial effects of host and dopant

Autor: O. Dimitrov, I. Stambolova, T. Babeva, K. Lazarova, G. Avdeev, M. Shipochka, R. Mladenova, S. Simeonova

Publikováno v: Journal of Materials Research and Technology, Vol 18, Iss , Pp 3026-3034 (2022)

Samarium doped (0.5–5 at.%) ZrO2 films with high surface and optical quality were obtained by sol–gel method using inorganic zirconium precursor. The morphology and roughness of the samples were investigated by scanning electron microscopy (SEM)

Externí odkaz: https://doaj.org/article/b4c22ed4963e4ec6b3b9d59698d4fbff

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Akademický článek

ANALYSIS OF THE INTRAOPERATIVE ULTRASOUND RESULTS IN THE SURGICAL TREATMENT OF RENAL TUMORS

Autor: A. D. Karnin, A. A. Kostin, S. O. Stepanov, N. V. Vorobyev, P. D. Bespalov, V. O. Dimitrov

Publikováno v: Issledovaniâ i Praktika v Medicine, Vol 6, Iss 1, Pp 50-59 (2019)

Purpose. To evaluate the effectiveness of intraoperative ultrasonography (IOUS) in the surgical treatment of kidney tumors.Patients and methods. Possibilities of IOUS application in the surgical treatment of kidney tumor according to the results of e

Externí odkaz: https://doaj.org/article/c96f32aca9a847049655e887cd6dd486

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Periodical

Material Flow During Equal Channel Angular Pressing of Aluminum Containing Al8Fe2Si PrecipitatesAuthors like to thank O. Dimitrov (CECM-CNRS) for fruitfull discussion and critical reading of the manuscript. This work was supported by the Centre National de la Recherche Scientifique and the Direction Général de la Recherche Scientifique et Technique, under the CNRS/DGRST Franco-Tunisian agreement n° 8614 and n° 11733.

Autor: Korchef, A., Njah, N., Champion, Y., Guérin, S., Leroux, C., Masmoudi, J., Kolsi, A.

Publikováno v: Advanced Engineering Materials; April 2004, Vol. 6 Issue: 4 p222-228, 7p

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Akademický článek

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Akademický článek

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Preparation of newly developed CeO2/ZrO2 multilayers: Effect of the treatment temperature on the structure and corrosion performance of stainless steel

Autor: M. Shipochka, Vladimir Blaskov, St. Yordanov, O. Dimitrov, Stanislav V. Vassilev, Nikolai Boshkov, Irina Stambolova

Publikováno v: Journal of Alloys and Compounds. 806:1357-1367

One-component CeO2 coatings and bi-component CeO2/ZrO2 multilayer coatings were obtained by a sol gel process. The phase composition, surface morphology and roughness of the samples were studied by means of X-ray diffraction (XRD), scanning electron

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d99ad4cc57626b5bc3ef766e6a61c100
https://doi.org/10.1016/j.jallcom.2019.07.308

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ANALYSIS OF THE INTRAOPERATIVE ULTRASOUND RESULTS IN THE SURGICAL TREATMENT OF RENAL TUMORS

Autor: S. O. Stepanov, A. A. Kostin, A. D. Karnin, N. V. Vorobyev, P. D. Bespalov, V. O. Dimitrov

Publikováno v: Issledovaniâ i Praktika v Medicine, Vol 6, Iss 1, Pp 50-59 (2019)

Purpose . To evaluate the effectiveness of intraoperative ultrasonography (IOUS) in the surgical treatment of kidney tumors. Patients and methods . Possibilities of IOUS application in the surgical treatment of kidney tumor according to the results o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::26360ed5f006226539715b9a11805e05
https://doi.org/10.17709/2409-2231-2019-6-1-5

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Surface and Optical Properties of Gd-Doped ZrO2 Nano Films

Autor: Irina Stambolova, Silvia Simeonova, S. Vassilev, O. Dimitrov, Katerina Lazarova

Publikováno v: The 2nd International Online-Conference on Nanomaterials.

Nanosized coatings of ZrO2 were deposited on silicon substrates using sol-gel and spin coating techniques. The precursor solutions were prepared from ZrOCl2.8H2O with the addition of different percentage (0.5–5%) of rare earth Gd3+ ions as dopant.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4722ed44d085cda690eb5ba8f31bdc09
https://doi.org/10.3390/iocn2020-07841

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Surface and Morphological Features of ZrO2 Sol-Gel Coatings Obtained by Polymer Modified Solution

Autor: O. Dimitrov, S. Vassilev, Tsvetanka Babeva, Irina Stambolova, Ralitsa Mladenova, Katerina Lazarova

Publikováno v: 2nd Coatings and Interfaces Web Conference (CIWC-2 2020).

Thin, homogeneous ZrO2 films were obtained by spin coating method from ZrOCl2.8H2O solution, modified with polyethylene glycol (PEG, Mw = 400). The films have thickness of 80 nm and refractive index of about 1.45, which varied with the amount of adde

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4e482fe7f61d73ffe6abf9c30fa44c0b
https://doi.org/10.3390/ciwc2020-06810

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