Zobrazeno 1 - 10
of 64
pro vyhledávání: '"Jadwiga Walczak"'
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 56:419-422
The reaction mechanism of the synthesis of Fe8V10W16O85 was studied by means of XRD, IR spectroscopy and DTA techniques. It was found that the intermediate in the reaction may be either FeVO4 or FeVO4 admixed with an unidentified phase X, depending o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d2c084bed1d35b6c765f2e58a4614a0f
https://doi.org/10.1023/a:1010123306296
https://doi.org/10.1023/a:1010123306296
Autor:
S. K. Patapis, I. Rychlowska-Himmel, Jadwiga Walczak, M. Bosacka, M. Wabia, N. Guskos, J. Typek, Vlassis Likodimos, H. Gamari-Seale, H. Fuks
Publikováno v:
Journal of Solid State Chemistry. 137:223-230
The temperature dependence of the magnetic, electrical conductivity, and electron paramagnetic resonance (EPR) properties of Fe8V10W16O85has been investigated. The magnetic susceptibility measurements revealed an almost Curie–Weiss law behavior abo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::554c77122262f68851a360f97b9c4b3a
https://doi.org/10.1006/jssc.1997.7708
https://doi.org/10.1006/jssc.1997.7708
Autor:
J. Typek, M. Wabia, Jadwiga Walczak, N. Guskos, Vlassis Likodimos, H. Fuks, I. Rychlowska-Himmel
Publikováno v:
Applied Magnetic Resonance. 14:397-402
The temperature dependence of the EPR spectrum for the α-phase of iron tungstate has been investigated in the temperature range of 40–260 K. At temperatures betweenT1 ≈ 250 K andT2 ≈ 205 K where the antiferromagnetic phase transition occurs, a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9476c33c3b7652e2043f003a7148e7f0
https://doi.org/10.1007/bf03161906
https://doi.org/10.1007/bf03161906
Publikováno v:
Journal of Alloys and Compounds. 265:121-124
A compound Cr 2 V 4 O 13 existing beside the hitherto known CrVO 4 in a two-component system, Cr 2 O 3 –V 2 O 5 , has been prepared by two methods, that is, by a reaction taking place in the solid state between the oxides and by co-precipitation ma
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e91e563cc31b9d317bd5fb972623c402
https://doi.org/10.1016/s0925-8388(97)00403-9
https://doi.org/10.1016/s0925-8388(97)00403-9
Autor:
I. Rychlowska-Himmel, Jadwiga Walczak
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 54:867-872
Using DTA and X-ray phase diffraction methods, a diagram of phase equilibria established in two sections of a tricomponent oxide triangle Fe2O3-V2O5-WO3was constructed, that is, in the sections: Fe8V10W16O85-Fe2O3and Fe8V10W16O85-Fe2WO6.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ccd94b4e8cf3c25803a91b111d145828
https://doi.org/10.1023/a:1010108423893
https://doi.org/10.1023/a:1010108423893
Publikováno v:
Solid State Ionics. :1363-1367
The use of X-ray phase diffraction and DTA methods has allowed studies on the interaction of the oxides Sb 2 O 3 and Fe 2 O 3 , taking place in the solid state and in the medium of ambient air. The experimental results have shown that the reaction yi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4cbb9d80d07c35e5e615a008f240f0bb
https://doi.org/10.1016/s0167-2738(97)00390-1
https://doi.org/10.1016/s0167-2738(97)00390-1
Publikováno v:
Solid State Ionics. :1309-1313
Studies on the mechanism and kinetics of the reactions taking place in the solid state without mass change, involved in the synthesis of Fe 4 V 2 Mo 3 O 20 have been made using X-ray diffraction (XRD) and infrared spectroscopy methods. The XRD study
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1bbb267a0e8db22fc702960cf68348ed
https://doi.org/10.1016/s0167-2738(97)00399-8
https://doi.org/10.1016/s0167-2738(97)00399-8
Publikováno v:
Thermochimica Acta. 275:249-257
Studies on the mechanism of reaction leading to AlVMoO 7 have been made using X-ray diffraction and infrared spectroscopy. The XRD study of the process was carried out in a high-temperature X-ray attachment. The AlVMoO 7 phase can be synthesized by t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::15499825a68d31ca5c8231203835faef
https://doi.org/10.1016/0040-6031(95)02682-7
https://doi.org/10.1016/0040-6031(95)02682-7
Publikováno v:
Journal of Thermal Analysis. 45:1055-1060
The V9Mo6O40−Cr2(MoO4)3 system has been investigated using the differential thermal analysis (DTA) and X-ray phase diffraction methods. The system has been found not to be a real two-component system over the whole component system.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2834eaea05d32569f922167df3894bb9
https://doi.org/10.1007/bf02547477
https://doi.org/10.1007/bf02547477
Publikováno v:
Journal of Thermal Analysis. 45:1021-1026
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f7222b0bcc241f4c853c129ce30600b
https://doi.org/10.1007/bf02547472
https://doi.org/10.1007/bf02547472