Zobrazeno 1 - 10
of 26
pro vyhledávání: '"F. Ciorcas"'
Publikováno v:
Applied Physics A. 73:481-484
The xCuO(100-x)[70TeO2·25B2O3·5SrF2] vitreous system was studied in the 0.3≤x≤20 mol %CuO concentration range, by means of electron paramagnetic resonance (EPR) and magnetic susceptibility measurements. At low concentrations the Cu2+ ions are i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cc5543bd57353d1e6b194cad4625558a
https://doi.org/10.1007/s003390100795
https://doi.org/10.1007/s003390100795
Publikováno v:
The European Physical Journal B - Condensed Matter and Complex Systems. 20:235-240
The glass systems xCuO . (1- x)TeO2 and xCuO . (1- x)[75TeO2 . 25B2O3] with 0 20 mol%, the Cu2+ ions are predominantly clustered and are coupled through antiferromagnetic exchange interaction. A comparative study of amorphous X-ray diffraction patter
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c43a977e9d5e5642021d506a7294b420
https://doi.org/10.1007/pl00022985
https://doi.org/10.1007/pl00022985
Publikováno v:
Modern Physics Letters B. 14:785-790
Glasses of the system x Fe2O3·(1-x)[Bi2O3·P b O· As 2O3] in the composition range 0.5≤x≤30 mol% were investigated when prepared at 1000°C and 1250°C, respectively. The study was performed by means of EPR of Fe3+ ions. The effects of melting
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e114879109aff30665a4caa46c443015
https://doi.org/10.1142/s0217984900001026
https://doi.org/10.1142/s0217984900001026
Publikováno v:
Modern Physics Letters B. 14:653-661
The local structure of Fe2O3–TeO2–B2O3–SrF2 glasses was studied by recording the EPR and IR absorption spectra. Structural changes and increasing glass stability were evidenced with the addition of Fe2O3 in the sample. The distribution of isola
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::652128382e28b22b3ac5f22a487335db
https://doi.org/10.1142/s0217984900000847
https://doi.org/10.1142/s0217984900000847
Publikováno v:
Modern Physics Letters B. 13:801-808
Structural and magnetic properties of B 2 O 3– SrO – Fe 2 O 3 glasses were explored by a controlled doping of 2B 2 O 3· SrO vitreous matrix with iron oxide. The information concerning the structural units involving iron ions, their valence state
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d9f9701fd4a5c8894d2fd95e82649c35
https://doi.org/10.1142/s0217984999000993
https://doi.org/10.1142/s0217984999000993
Publikováno v:
Materials Letters. 39:42-45
The valence states of manganese ions and the interactions involving them were investigated for x MnO·(100− x )[Bi 2 O 3 ·PbO·As 2 O 3 ] glasses with 0 x ≤30 mol% by means of the temperature dependence of the magnetic susceptibility. Up to x =5
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1fac5462b3552e708d34f6d0a06ca1f4
https://doi.org/10.1016/s0167-577x(98)00214-6
https://doi.org/10.1016/s0167-577x(98)00214-6
Publikováno v:
Physical Review B. 59:1304-1310
The magnetic phase diagram of ${\mathrm{La}}_{1\ensuremath{-}\ensuremath{\delta}}{\mathrm{MnO}}_{3}$ powdered samples has been studied as a function of $\ensuremath{\delta}$ in the low doping range $(\ensuremath{\delta}l0.1).{\mathrm{La}}_{0.97}{\mat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c2030cd3f3b19c497ecf9005b1c25fcd
https://doi.org/10.1103/physrevb.59.1304
https://doi.org/10.1103/physrevb.59.1304
Publikováno v:
Solid State Communications. 98:351-355
Results of EPR and magnetic measurements performed on x CuO(1− x )[70TeO 2 25B 2 O 3 5PbO] glasses with 0 x ≤40 mol % are reported. The modifications of EPR spectra with the increasing CuO content are explained as the result of the superpos
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2db70d1097748825393b2ba50905a74a
https://doi.org/10.1016/0038-1098(95)00751-2
https://doi.org/10.1016/0038-1098(95)00751-2
Publikováno v:
Journal of Materials Science Letters. 20:947-949
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f1186ea5c097a40b8b936be472afe216
https://doi.org/10.1023/a:1010949404770
https://doi.org/10.1023/a:1010949404770
Publikováno v:
The European Physical Journal B.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::07597612db43274b78612604ca8cf78d
https://doi.org/10.1007/s100510170272
https://doi.org/10.1007/s100510170272