Name

Surname

Insert Picture

Vladimír

Šepelák

Institution name and department

Karlsruhe Institute of Technology, Institute of Nanotechnology

Position held

Senior researcher

Address/Country

Hermann-von-Helmholtz-Platz 1

76344 Eggenstein-Leopoldshafen

Germany

E-mail

Webpage

This email address is being protected from spambots. You need JavaScript enabled to view it.

http://www.int.kit.edu/home.php

Key words 

·         mechanosynthesis of complex oxide

·         non-equilibrium phase

·         nanoglassy state

·         nanomagnetism

·         Mössbauer and NMR

Areas of Research/Expertise 

My areas of research include non-conventional syntheses of compounds, mechanosynthesis, mechanochemistry, nanocrystalline materials, nanoglasses, metastable materials, non-equilibrium phases, complex oxides, structural characterization of nanomaterials, disordered nanomaterials, local structure of nanomaterials, Mössbauer spectroscopy, solid-state NMR, functional behavior of nanomaterials on a macroscopic scale, the particle size- and shape-dependent functional properties of nanomaterials, nanomagnetism, electrochemical properties, thermal stability, and correlations between the local structure and macroscopic properties of nanostructured materials.

5 Most representative publications related to mechanochemistry 

Wilkening, M.; Düvel, A.; Preishuber-Pflügl, F.; Da Silva, K.; Breuer, S.; Šepelák, V.; Heitjans, P. Structure and Ion Dynamics of Mechanosynthesized Oxides and Fluorides. Z. Krist.-Cryst. Mater. 2017, 232 (1-3), 107−127.

DOI: 10.1515/zkri-2016-1963

Šepelák, V.; Myndyk, M.; Witte, R.; Röder, J.; Menzel, D.; Schuster, R. H.; Hahn, H.; Heitjans, P.; Becker, K.-D. The Mechanically Induced Structural Disorder in Barium Hexaferrite, BaFe₁₂O₁₉, and Its Impact on Magnetism. Faraday Discuss. 2014, 170, 121−135.

DOI: 10.1039/c3fd00137g

Šepelák, V.; Düvel, A.; Wilkening, M.; Becker, K.-D.; Heitjans, P. Mechanochemical Reactions and Syntheses of Oxides. Chem. Soc. Rev. 2013, 42 (18), 7507−7520.

DOI: 10.1039/c2cs35462d

Šepelák, V.; Bégin-Colin, S.; Le Caër, G. Transformations in Oxides Induced by High-Energy Ball-Milling. Dalton T. 2012, 41 (39), 11927−11948.

DOI: 10.1039/c2dt30349c

Šepelák, V.; Bergmann, I.; Feldhoff, A.; Heitjans, P.; Krumeich, F.; Menzel, D.; Litterst, F. J.; Campbell, S. J.; Becker, K. D. Nanocrystalline Nickel Ferrite, NiFe₂O₄: Mechanosynthesis, Nonequilibrium Cation Distribution, Canted Spin Arrangement, and Magnetic Behavior. J. Phys. Chem. C 2007, 111 (13), 5026−5033.

DOI: 10.1021/jp067620s

5 Most representative publications non-related to Mechanochemistry 

Nýblová, D.; Senna, M.; Düvel, A.; Heitjans, P.; Billik, P.; Filo, J.; Šepelák, V. NMR Study on Reaction Processes from Aluminum Chloride Hydroxides to Alpha Alumina Powders. J. Am. Ceram. Soc. 2019, 102 (5), 2871−2881.

DOI: 10.1111/jace.16108

Shams, M. H.; Rozatian, A. S. H.; Yousefi, M. H.; Valíček, J.; Šepelák, V. Effect of Mg²⁺ and Ti⁴⁺ Dopants on the Structural, Magnetic and High-Frequency Ferromagnetic Properties of Barium Hexaferrite. J. Magn. Magn. Mater. 2016, 399, 10−18.

DOI: 10.1016/j.jmmm.2015.08.099

Vereš, J.; Lovás, M.; Jakabský, Š.; Šepelák, V.; Hredzák, S. Characterization of Blast Furnace Sludge and Removal of Zinc by Microwave Assisted Extraction. Hydrometallurgy 2012, 129-130, 67−73.

DOI: 10.1016/j.hydromet.2012.09.008

Kaman, O.; Veverka, P.; Jirák, Z.; Maryško, M.; Knížek, K.; Veverka, M.; Kašpar, P.; Burian, M.; Šepelák, V.; Pollert, E. The Magnetic and Hyperthermia Studies of Bare and Silica-Coated La_0.75Sr_0.25MnO₃ Nanoparticles. J. Nanopart. Res. 2011, 13 (3), 1237−1252.

DOI: 10.1007/s11051-010-0117-x

Salazar-Alvarez, G.; Qin, J.; Šepelák, V.; Bergmann, I.; Vasilakaki, M.; Trohidou, K. N.; Ardisson, J. D.; Macedo, W. A. A.; Mikhaylova, M.; Muhammed, M.; Baró, M. D.; Nogués, J. Cubic Versus Spherical Magnetic Nanoparticles: The Role of Surface Anisotropy. J. Am. Chem. Soc. 2008, 130 (40), 13234−13239.

DOI: 10.1021/ja0768744

Orcid ID/ Google Scholar/ Researchgate/ Scopus profiles

Orcid ID

0000-0003-0247-5416

Google Scholar

https://scholar.google.com/scholar?hl=en&as_sdt=0%2C5&q=vladimir+sepelak&oq=Vladimir+Sepe

Researchgate

https://www.researchgate.net/profile/V_Sepelak

Scopus profiles

7003949049

Twitter/ Linkedin/ Instagram accounts

Twitter/

Linkedin

https://de.linkedin.com/in/vladimir-sepelak-2181002b?trk=d_public_post_follow_view_profile

Instagram accounts

Primary focus in mechanochemical research 

mechanosynthesis

complex oxide

nanoglass

structural disorder

local structure

Mössbauer spectroscopy

solid-state NMR

functional behavior

the particle size- and shape-dependent properties of nanomaterials

nanomagnetism

electrochemical properties

thermal stability