Zobrazeno 1 - 10
of 15
pro vyhledávání: '"L. J. Berchmans"'
Publikováno v:
Journal of Materials Science: Materials in Electronics. 26:3772-3780
Diluted magnetic semiconductor Ge1−xVx with three different dopant concentrations x = 0.03, 0.06 and 0.09 has been grown using melt growth technique. Scanning electron microscopy was used to analyze the surface morphological nature of the samples.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9b1b1f27accf720f3f992c6aaf4da432
https://doi.org/10.1007/s10854-015-2901-y
https://doi.org/10.1007/s10854-015-2901-y
Publikováno v:
RSC Adv.. 4:64364-64370
Alkaline water electrolysis (AWE) is the simplest way of producing hydrogen, an attractive fuel for the future. In view of their cost-effectiveness and durability, non-noble metal oxides are promising catalysts for AWE. Here, we studied the effect of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dc3c39f25f2c65625ae7909348026dae
https://doi.org/10.1039/c4ra09806d
https://doi.org/10.1039/c4ra09806d
Publikováno v:
Phase Transitions. 86:620-632
Cr-doped zinc oxide Zn1− x Cr x O powder samples are synthesized by a standard high-temperature solid-state reaction technique with x = 0.00, 0.04, and 0.08. The powders are analyzed for the electron densities using X-ray diffraction. The electron
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::924a085c8fbbd9417a349c1d2fa6f6c5
https://doi.org/10.1080/01411594.2012.713485
https://doi.org/10.1080/01411594.2012.713485
Publikováno v:
International Journal of Self-Propagating High-Temperature Synthesis. 20:236-240
Nanocrystalline nickel ferrite has been synthesized by novel combustion method using hexamine as a fuel and metal nitrates as oxidizers. The prepared compounds were sintered at 750°C. The synthesized ferrite powders were characterized by XRD, FTIR,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8de3821dbee90baf7b52581048382857
https://doi.org/10.3103/s1061386211040108
https://doi.org/10.3103/s1061386211040108
Publikováno v:
Materials Research Innovations. 15:130-134
Gadolinium substituted LiMn2O4 powders have been synthesised by molten salt route for application in lithium batteries. The thermal behaviour of precursor salts has been studied using thermogravimetry and differential thermal analyses. The formation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7ebd9108d84024efedd590bf7acf70ce
https://doi.org/10.1179/143307511x12998222918958
https://doi.org/10.1179/143307511x12998222918958
Publikováno v:
International Journal of Self-Propagating High-Temperature Synthesis. 19:214-220
Hexagonal aluminum nitride (AlN) crystals were synthesized by microwave method with ammonium chloride used as an additive. Starting mixtures consisted of Al powder, NH4Cl, and urea as a fuel taken in a 1: 3: 1 ratio. The microwave oven operated at 63
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::85370b8ea676a7efafe379d83dd8e487
https://doi.org/10.3103/s1061386210030088
https://doi.org/10.3103/s1061386210030088
Autor:
Paul Heitjans, Armin Feldhoff, Jan Šubrt, Klaus Becker, L. J. Berchmans, M. Myndyk, K.L. da Silva, Vladimir Šepelák
Publikováno v:
Journal of Alloys and Compounds. 500:68-73
CaFe 2 O 4 nanopowders were prepared via single-step mechanochemical processing of two various mixtures of precursors: simple oxides (CaO and α-Fe 2 O 3 ) and elemental metal and oxide powders (Ca and α-Fe 2 O 3 ). The mechanically induced evolutio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8228c43f6f3b39acc10b1818fc52a8ef
https://doi.org/10.1016/j.jallcom.2010.03.199
https://doi.org/10.1016/j.jallcom.2010.03.199
Publikováno v:
International Journal of Self-Propagating High-Temperature Synthesis. 18:11-14
La3+-substituted MnFe2O4 compounds have been prepared by using a novel combustion synthesis method. This process was found to yield homogeneous, finely crystalline powders without intermediate decomposition and/or calcination steps. Combustion-synthe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ea8ed20d213fd638faa013e0e9ad8b5
https://doi.org/10.3103/s1061386209010038
https://doi.org/10.3103/s1061386209010038
Publikováno v:
International Journal of Self-Propagating High-Temperature Synthesis. 18:34-37
Nanocrystalline boron nitride powders were synthesized by combustion process using urea as a fuel. Experiments were carried out by heating boric acid and urea in an N2 atmosphere at 850°C. Boric acid was used as a source of boron while urea, as a so
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf8583cc39ce0fc290b921d91303c221
https://doi.org/10.3103/s1061386209010075
https://doi.org/10.3103/s1061386209010075
Publikováno v:
International Journal of Self-Propagating High-Temperature Synthesis. 18:60-63
Boron carbide (B4C) powders were synthesized by calciothermic reduction process from the mixtures of borax (or boron trioxide), petroleum coke, and calcium. The synthesized materials were characterized by XRD, SEM, and chemical analysis.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19391ca29c40405fa8498ea82e691037
https://doi.org/10.3103/s1061386209010129
https://doi.org/10.3103/s1061386209010129