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Crystallization kinetics and structural properties of nanocrystalline europium-yttrium-titanate (Eu0.5Y0.5)2Ti2O7
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| dc.title | Crystallization kinetics and structural properties of nanocrystalline europium-yttrium-titanate (Eu0.5Y0.5)2Ti2O7 | en |
| dc.contributor.author | Mrázek, Jan | |
| dc.contributor.author | Bysakh, Sandip | |
| dc.contributor.author | Skála, Roman | |
| dc.contributor.author | Mráček, Aleš | |
| dc.contributor.author | Dhar, Anirban | |
| dc.contributor.author | Bartoň, Ivo | |
| dc.contributor.author | Kašík, Ivan | |
| dc.relation.ispartof | Advanced Powder Technology | |
| dc.identifier.issn | 0921-8831 Scopus Sources, Sherpa/RoMEO, JCR | |
| dc.identifier.issn | 1568-5527 Scopus Sources, Sherpa/RoMEO, JCR | |
| dc.date.issued | 2022 | |
| utb.relation.volume | 33 | |
| utb.relation.issue | 3 | |
| dc.type | article | |
| dc.language.iso | en | |
| dc.publisher | Elsevier B.V. | |
| dc.identifier.doi | 10.1016/j.apt.2022.103501 | |
| dc.relation.uri | https://www.sciencedirect.com/science/article/pii/S0921883122000796 | |
| dc.subject | nucleation | en |
| dc.subject | sol-gel | en |
| dc.subject | nanomaterials | en |
| dc.subject | rare earth compounds | en |
| dc.description.abstract | We present a versatile sol–gel approach for nanocrystalline (Eu0.5Y0.5)2Ti2O7. We determined the crystallization kinetics of the nucleation and the nucleation mechanism. The crystallization temperature was 1050.1 ± 0.8 K, and the activation energy of crystallization was 605 kJ mol−1. The nanocrystal growth started by homogenous nucleation with a constant nucleation rate, and the nanocrystal growth was limited by mass transfer through the phase boundary. The crystal structure of (Eu0.5Y0.5)2Ti2O7 was refined from the powder diffraction data using the Rietveld method, and the results were compared with the data recorded for the isostructural compounds, Eu2Ti2O7 and Y2Ti2O7. We proved the existence of a single phase of (Eu0.5Y0.5)2Ti2O7 and the regular distribution of Eu3+ and Y3+ ions inside the crystal lattice. The results provide key information regarding the crystallization properties and crystal structure of nanocrystalline (Eu0.5Y0.5)2Ti2O7. This knowledge is necessary for preparing pure nanocrystalline powders with tailored structural properties that are suitable for photonic applications. © 2022 The Society of Powder Technology Japan | en |
| utb.faculty | Faculty of Technology | |
| utb.faculty | University Institute | |
| dc.identifier.uri | http://hdl.handle.net/10563/1010874 | |
| utb.identifier.obdid | 43883773 | |
| utb.identifier.scopus | 2-s2.0-85124799480 | |
| utb.identifier.wok | 000829861000012 | |
| utb.identifier.coden | APTEE | |
| utb.source | j-scopus | |
| dc.date.accessioned | 2022-03-15T22:10:58Z | |
| dc.date.available | 2022-03-15T22:10:58Z | |
| dc.description.sponsorship | Grantová Agentura České Republiky, GA ČR: 21-45431L, RVO67985831 | |
| dc.description.sponsorship | Czech Science Foundation [21-45431L]; Institute of Geology of the CAS Research Plan [RVO67985831] | |
| dc.description.sponsorship | Czech Science Foundation [21-45431L]; Institute of Geology of the CAS Research Plan [RVO67985831] | |
| utb.ou | Department of Physics and Engineering | |
| utb.ou | Centre of Polymer Systems | |
| utb.contributor.internalauthor | Mrázek, Jan | |
| utb.contributor.internalauthor | Mráček, Aleš | |
| utb.fulltext.affiliation | Jan Mrázek a,b,*, Sandip Bysakh c, Roman Skála d, Aleš Mráček b,e, Anirban Dhar c, Ivo Bartoň a, Ivan Kašík a a The Institute of Photonics and Electronics of the Czech Academy of Sciences, Chaberská 57, 18251 Prague 8, Czech Republic b Department of Physics and Engineering, Faculty of Technology, Tomas Bata University in Zlín, nám. Vavrečkova 275, 760 01 Zlín, Czech Republic c Central Glass and Ceramic Research Institute, 196 Raja S. C. Mullick Road, Kolkata 700032, India d Institute of Geology of the Czech Academy of Sciences, Rozvojová 269, 165 00 Prague 6, Czech Republic e Centre of Polymer Systems, Tomas Bata University in Zlín, T. Bati 5678, 760 01 Zlín, Czech Republic * Corresponding author at: Institute of Photonics and Electronics AS CR, v.v.i, Chaberská 57, 8251 Prague 8. Czech Republic. E-mail address: mrazek@ufe.cz (J. Mrázek). | |
| utb.fulltext.dates | Received 14 October 2021 Received in revised form 8 February 2022 Accepted 10 February 2022 | |
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| utb.fulltext.sponsorship | The authors acknowledge the financial support of the Czech Science Foundation under contract N°21-45431L. This research was partially supported by the Institute of Geology of the CAS Research Plan RVO67985831. | |
| utb.wos.affiliation | [Mrazek, Jan; Barton, Ivo; Kasik, Ivan] Czech Acad Sci, Inst Photon & Elect, Chaberska 57, Prague 18251 8, Czech Republic; [Mrazek, Jan; Mracek, Ales] Tomas Bata Univ Zlin, Fac Technol, Dept Phys & Engn, Nam Vavreckova 275, Zlin 76001, Czech Republic; [Bysakh, Sandip; Dhar, Anirban] Cent Glass & Ceram Res Inst, 196 Raja SC Mullick Rd, Kolkata 700032, India; [Skala, Roman] Czech Acad Sci, Inst Geol, Rozvojova 269, Prague 16500 6, Czech Republic; [Mracek, Ales] Tomas Bata Univ Zlin, Ctr Polymer Syst, T Bati 5678, Zlin 76001, Czech Republic | |
| utb.scopus.affiliation | The Institute of Photonics and Electronics of the Czech Academy of Sciences, Chaberská 57, Prague 8, 18251, Czech Republic; Department of Physics and Engineering, Faculty of Technology, Tomas Bata University in Zlín, nám. Vavrečkova 275, Zlín, 760 01, Czech Republic; Central Glass and Ceramic Research Institute, 196 Raja S. C. Mullick Road, Kolkata, 700032, India; Institute of Geology of the Czech Academy of Sciences, Rozvojová 269, Prague 6, 165 00, Czech Republic; Centre of Polymer Systems, Tomas Bata University in Zlín, T. Bati 5678, Zlín, 760 01, Czech Republic | |
| utb.fulltext.projects | 21-45431L | |
| utb.fulltext.projects | RVO67985831 | |
| utb.fulltext.faculty | Faculty of Technology | |
| utb.fulltext.faculty | University Institute | |
| utb.fulltext.ou | Department of Physics and Engineering | |
| utb.fulltext.ou | Centre of Polymer Systems |
