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Related papers: M\"ossbauer Spectroscopic Study of Amorphous Fe-Gl…

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Fe-gluconate was studied by means of the M\"ossbauer spectroscopy in the temperature interval of 80-305K. The measured spectra were analyzed in terms of two subspectra and, alternatively, two distributions of the quadrupole splitting. The…

Materials Science · Physics 2016-03-01 S. M. Dubiel , J. Cieslak

Low temperature M\"ossbauer spectroscopic and magnetization measurements were performed on a crystalline sample of Fe-gluconate. Fe atoms were revealed to exist in two phases i.e. a major (90-94 pct.) and a minor (6-10 pct.). Based on…

Chemical Physics · Physics 2020-04-06 Stanisław M. Dubiel , Jan Żukrowski , Maria Bałanda

Sigma-phase Fe65.9V34.1 alloy was investigated with the M\"ossbauer spectroscopy. M\"ossbauer spectra were recorded in the temperature interval of 80-300 K. Their analysis in terms of the hyperfine distribution protocol yielded the average…

Strongly Correlated Electrons · Physics 2016-01-05 J. Żukrowski , S. M. Dubiel

Based on the available literature reviewed are results pertinent to the effect of magnetism on lattice dynamics obtained by M\"ossbauer spectroscopy at 57Fe and 119Sn probe atoms. Presented and discussed are sigma-phase Fe-Cr, Fe-V,…

Strongly Correlated Electrons · Physics 2022-07-13 Stanisław M. Dubiel

Lattice dynamics in a sigma-Fe60V40 compound, which shows a re-entrant magnetism and orders ferromagnetic ally at ca. 170K, was investigated with the Mossbauer spectroscopy in the temperature interval of 5-300 K. Two relevant spectral…

Strongly Correlated Electrons · Physics 2017-06-20 Stanislaw M. Dubiel , Jan Zukrowski

Two intermetallic FeAl compounds with Al content of 70.68 and 72.17 at.pct were studied using M\"ossbauer spectroscopy (5 to 296 K) and X-ray diffraction (15 to 300 K). The compounds were found to crystallize in the orthorhombic Cmcm space…

Materials Science · Physics 2021-05-19 Stanisław M. Dubiel , Łukasz Gondek , Tilo Zienert , Jan Żukrowski

Experimental investigation as well as theoretical calculations, of the Fe-partial phonon density-of-states (DOS) for nominally Fe_52.5Cr_47.5 alloy having (a) alpha- and (b) sigma-phase structure were carried out. The former at sector 3-ID…

Materials Science · Physics 2015-05-14 S. M. Dubiel , J. Cieslak , W. Sturhahn , M. Sternik , P. Piekarz , S. Stankov , K. Parlinski

C14 Laves phase Nb0.975Fe2.025 compound was investigated by means of the M\"ossbauer spectroscopy. Spectra were recorded in the temperature range of 5-300K. Their analysis in terms of three sub spectra yielded information on magnetic and…

Strongly Correlated Electrons · Physics 2018-07-03 Jan Żukrowski , Stanislaw M. Dubiel

57Fe site Mossbauer Spectroscopy (MS) was used to investigate a dynamics of 57Fe atoms embedded into chromium lattice as impurities. From the Mossbauer spectra recorded in the temperature range of 80 to 350 K, a temperature dependence of…

Materials Science · Physics 2015-05-13 S. M. Dubiel , J. Zukrowski , J. Cieslak

We present Raman spectroscopy measurements of the van der Waals bonded ferromagnet Fe$_{3-x}$GeTe$_2$, together with lattice dynamics. Four out of eight Raman active modes are observed and assigned, in agreement with numerical calculations.…

Sigma-phase Fe0.525Cr0.455Ni0.020 alloy was studied by means of M\"ossbauer spectrometry in the temperature range of 5-293 K. The average center shift, <CS>, determined from the recorded M\"ossbauer spectra was shown to significantly…

Strongly Correlated Electrons · Physics 2022-03-04 Stanisław M. Dubiel , Jan Żukrowski

Fe-gluconate, Fe(C_6H_11O_7_2xH_2O is a well-known material widely used for iron supplementation. On the other hand, it is used in food industry as a coloring agent, in cosmetic industry for skin and nail conditioning and metallurgy.…

Chemical Physics · Physics 2021-09-15 Łukasz Gondek , Stanisław M. Dubiel

A series of sigma-phase Fe_{100-x}V_x samples with 34.4 < x < 59.0 were investigated by neutron and X-ray diffraction and Mossbauer spectroscopy (MS) techniques. The first two methods were used for verification of the transformation from…

Materials Science · Physics 2010-10-12 Jakub Cieslak , Michael Reissner , Stanislaw M. Dubiel , Benilde F. O. Costa , Walter Steiner

Temperature dependent extended x-ray absorption fine structure (EXAFS) spectra were measured for a 3.3 at% Ga stabilized Pu alloy over the range T= 20 - 300 K at both the Ga K-edge and the Pu L_III-edge. The temperature dependence of the…

Strongly Correlated Electrons · Physics 2009-11-07 P. G. Allen , A. L. Henderson , E. R. Sylwester , P. E. A. Turchi , T. H. Shen , G. F. Gallegos , C. H. Booth

We present measurements on Fe$_2$O$_3$ amorphization and melt under laser-driven shock compression up to 209(10) GPa via time-resolved in situ x-ray diffraction. At 122(3) GPa, a diffuse signal is observed indicating the presence of a…

A series on nanocrystalline Fe100-xCrx alloys prepared by mechanical alloying was investigated with X-ray diffraction (XRD), scanning electron microscopy (SEM) and M\"ossbauer spectroscopy (MS) techniques. XRD and SEM were used to…

Strongly Correlated Electrons · Physics 2015-08-10 S. M. Dubiel , B. F. O. Costa , J. Cieslak , A. C. Batista

The Debye temperature, T_D, of sigma-phase Fe_(100-x)Mo_x compounds with 47 < x < 56.7 was determined from the temperature dependence of the centre shift of M\"ossbauer spectra recorded in the temperature range of 80 - 300 K. Its…

Materials Science · Physics 2013-07-05 J. Cieslak , S. M. Dubiel

Debye temperature, $\Theta_D$, of Fe-rich Fe$_{100-x}$Cr$_x$ disordered alloys with $0\le x \le 22.3$ was determined from the temperature dependence of the central shift of M\"ossbauer spectra recorded in the temperature range of 60 -- 300…

Materials Science · Physics 2010-02-17 B. F. O. Costa , J. Cieslak , S. M. Dubiel

A single-crystal sample of a DO3-ordered Fe3Si compound was studied by means of the 57Fe M\"ossbauer spectroscopy. Spectra have been recorded in a transmission geometry in the temperature range between 5 and 850 K. They have been analyzed…

Strongly Correlated Electrons · Physics 2020-01-09 S. M. Dubiel , J. Żukrowski

In this paper we present detailed M\"ossbauer spectroscopy study of structural and magnetic properties of the undoped parent compound CaFe$_2$As$_2$ single crystal. By fitting the temperature dependence of the hyperfine magnetic field we…

Superconductivity · Physics 2011-06-10 Zhiwei Li , Xiaoming Ma , Hua Pang , Fashen Li
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