Zobrazeno 1 - 10
of 102
pro vyhledávání: '"I. Bibicu"'
Publikováno v:
Hyperfine Interactions. 192:85-91
This article presents a versatile gas-flow proportional counter for surface and transmission Mossbauer spectroscopy, suitable for studies with 57Fe, 119Sn and 151Eu isotopes. The main advantages obtained by new design are: (1) the height of the detec
Autor:
Nicoleta Lupu, L. Boutiuc, M. Vilceanu, Ovidiu Florin Caltun, Ioan Dumitru, V. Vilceanu, H. Chiriac, Marcel Feder, I. Bibicu, L. Diamandescu
Publikováno v:
IEEE Transactions on Magnetics. 44:2936-2939
CoFe2O4 and CoMn0.2Fe1.8O4 ferrites were synthesized using standard solid state phase ceramic method and coprecipitation and oxidation method. X-ray diffraction, Mossbauer spectroscopy, and surface electron microscopy were used to characterize the sa
Publikováno v:
Hyperfine Interactions. 184:83-89
The hyperfine interactions and dynamics aspects in nanoparticles system of the xSnO2-(1-x)α-Fe2O3 (x = 0.0–1.0) have been investigated by 119Sn-Mossbauer and XRD techniques. The change revealed by the XRD (XRDSs) and Mossbauer spectra (MSs) vs. x
Publikováno v:
Advanced Materials Research. 23:67-70
Research results focussed on the combined influence of iron and boron, in proportions of 0.5 and up to 10 wt.% respectively, in complex alloyed Ni3Al synthesised by Self Propagating High Temperature Synthesis (SHS) in the thermo-explosion mode at two
Publikováno v:
Corrosion Science. 47:1119-1127
The inhibiting effect of N-ciclohexil-benzothiazole-sulphenamida (NCBSA) on the corrosion of carbon-steel in diluted ammonia solution at room temperature has been studied by Mossbauer spectroscopy, electrochemical measurements, weight loss and surfac
Autor:
S.E. Enescu, I. Bibicu
Publikováno v:
Acta Physica Polonica A. 107:479-489
The Rayleigh scattering of the Mossbauer radiation is a less common technique used in the study of the properties of condensed matter. The detection of the scattered radiation via the nuclear resonance absorption, with an energy resolution of the ord
Publikováno v:
Review of Scientific Instruments. 74:3035-3038
A data acquisition system is reported with a number of improvements over similar systems currently used in Rayleigh scattering of Mossbauer radiation (RSMR) experiments. It is based on a data acquisition board including a Mossbauer function generator
Publikováno v:
Journal of Non-Crystalline Solids. 287:277-281
X-ray diffraction and conversion electron Mossbauer spectrometry (CEMS) measurements of Fe 87 Zr 6 B 6 Cu 1 samples in different steps of the crystallization process have been performed. The results have been compared with those obtained by means of
Publikováno v:
Solid State Communications. 111:299-303
The normal–incommensurate phase transition in Rb2ZnCl4 was studied by Rayleigh scattering of Mossbauer radiation. The discontinuity in resonance effect (e) proves a stepwise variation of the inelastic component of the scattered radiation. The resul
Publikováno v:
The European Physical Journal Applied Physics. 3:119-122
A personal computer driven equipment designed for Rayleigh scattering of Mossbauer radiation experiments at room temperature is described. The performances of the system were tested using like scatterers crystals with different mosaic divergences: li