Dielectric Properties and Spectral Characteristics of Photocatalytic Constant of TiO2 Nanoparticles Doped with Cobalt

Autor: Valentin G. Bessergenev, José F. Mariano, Maria Conceição Mateus, João P. Lourenço, Adwaa Ahmed, Martin Hantusch, Eberhard Burkel, Ana Maria Botelho do Rego

Publikováno v: Nanomaterials, Vol 11, Iss 10, p 2519 (2021)

Dielectric properties and spectral dependence of the photocatalytic constant of Co doped P25 Degussa powder were studied. Doping of TiO2 matrix with cobalt was achieved by precipitation method using of Tris(diethylditiocarbamate)Co(III) precursor (Co

Externí odkaz: https://doaj.org/article/bf0d9e8d14d4448f816ac2d8eaf89b23

Dissolution of poly(vinyl alcohol)-modified carbon nanotubes in a buffer solution

Autor: ZHANG, Fa-ming, CHANG, Jiang, Eberhard, Burkel

Publikováno v: In New Carbon Materials 2010 25(4):241-247

Structural and magnetic properties of P25 TiO2 nanoparticles doped by Co

Autor: José F.M.L. Mariano, Martin Hantusch, Ana M. Botelho do Rego, Milan Timko, Peter Kopčanský, Valentim G. Bessergenev, Eberhard Burkel, João P. Lourenço, M. Rajňák

Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Journal of Magnetism and Magnetic Materials

The present work reports on the structural and magnetic properties of TiO2 P25 Degussa powder doped with cobalt. Dissolution of cobalt in TiO2 matrix was achieved by precipitation of tris(diethyldithiocarbamato) cobalt (III) (CoDtc - Co[S2CN(C2H5)(2)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::04e353b862b4ae8fe96e1b84fac95188

Phase transformations of stoichiometric mixtures of hematite and iron under FAST conditions

Autor: Wiktor Bodnar, Kerstin Witte, Gerhard Fulda, Eberhard Burkel, Norbert Schell

Publikováno v: Witte, K.; Bodnar, W.; Schell, N.; Fulda, G.; Burkel, E.: Phase transformations of stoichiometric mixtures of hematite and iron under FAST conditions. In: Journal of Alloys and Compounds. Vol. 724 (2017) 728-734. (DOI: 10.1016/j.jallcom.2017.07.089)

Since the mechanism of the synthesis of magnetite from a stoichiometric mixture of hematite and iron is still under debate, systematic studies of the phase transformations in such powder mixture processed under field assisted sintering conditions, ar

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca32a314325a435ceae408ef4fc414c0
https://doi.org/10.1016/j.jallcom.2017.07.089

Structural properties of Mn-substituted hercynite

Autor: Eberhard Burkel, Kerstin Witte, Paweł Stoch, I Jastrzębska, Wiktor Bodnar, Jacek Szczerba

Publikováno v: Nukleonika, Vol 62, Iss 2, Pp 95-100 (2017)

In this work spinel series with the general formula Fe1-xMnxAl2O4 (where x = 0, 0.3, 0.5 and 0.7) were synthesized and characterized with respect to their structure and microstructure. X-ray diffractometry (XRD) was used to identify the phase composi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b3a03b6944141ec85bd0e427cd038e46
https://doi.org/10.1515/nuka-2017-0013