Valence states of iron ions in nanostructured yttrium iron garnet Y3Fe5O12 studied by means of soft X-ray absorption spectroscopy

2012 ◽  
Vol 185 (12) ◽  
pp. 598-601 ◽  
Author(s):  
V.V. Mesilov ◽  
V.R. Galakhov ◽  
B.A. Gizhevskii ◽  
N.I. Lobachevskaya ◽  
M. Raekers ◽  
...  
Keyword(s):  
Absorption Spectroscopy ◽  
Yttrium Iron Garnet ◽  
Iron Ions ◽  
Yttrium Iron ◽  
X Ray ◽  
Valence States ◽  
Iron Garnet ◽  
X Ray Absorption

Analysis and lattice imaging of a transitional event on garnets

1978 ◽  
Vol 36 (1) ◽  
pp. 270-271
Author(s):  
J.Y. Laval
Keyword(s):  
Yttrium Iron Garnet ◽  
Reciprocal Lattice ◽  
Transitional Zone ◽  
Lattice Imaging ◽  
Yttrium Iron ◽  
X Ray ◽  
Ionic Process ◽  
The Matrix ◽  
High Resolution Technique ◽  
Iron Garnet

The exsolution of magnetite from a substituted Yttrium Iron Garnet, containing an iron excess may lead to a transitional event. This event is characterized hy the formation of a transitional zone at the center of which the magnetite nucleates (Fig.1). Since there is a contrast between the matrix and these zones and since selected area diffraction does not show any difference between those zones and the matrix in the reciprocal lattice, it is of interest to analyze the structure of the transitional zones.By using simultaneously different techniques in electron microscopy, (oscillating crystal method microdiffraction and X-ray microanalysis)one may resolve the ionic process corresponding to the transitional event and image this event subsequently by high resolution technique.

Strong magnetic relaxation of tetravalent iron ions in calcium‐doped yttrium iron garnet films

1978 ◽  
Vol 32 (5) ◽  
pp. 344-346 ◽  
Author(s):  
Camillo Borghese ◽  
Roberto Cosmi ◽  
Paolo De Gasperis ◽  
Remo Tappa
Keyword(s):  
Yttrium Iron Garnet ◽  
Magnetic Relaxation ◽  
Iron Ions ◽  
Yttrium Iron ◽  
Garnet Films ◽  
Calcium Doped ◽  
Iron Garnet

Sol-Gel Derived Ferrites: Synthesis and Characterization

2011 ◽  
Vol 222 ◽  
pp. 235-238 ◽  
Author(s):  
Aurelija Gatelyte ◽  
Darius Jasaitis ◽  
Aldona Beganskiene ◽  
Aivaras Kareiva
Keyword(s):  
Transition Metal ◽  
Yttrium Iron Garnet ◽  
Sol Gel ◽  
Synthesis And Characterization ◽  
Ceramic Pigments ◽  
X Ray Diffraction ◽  
Yttrium Iron ◽  
X Ray ◽  
Cobalt Nickel ◽  
Iron Garnet

In the present work, the sinterability and formation of nanosized yttrium iron garnet (Y3Fe5O12), yttrium perovskite ferrite (YFeO3), cobalt, nickel and zinc iron spinel (CoFe2O4, NiFe2O4 and ZnFe2O4, respectively) powders by an aqueous sol-gel processes are investigated. The phase purity of synthesized nano-compounds was characterized by powder X-ray diffraction analysis (XRD). The microstructural evolution and morphological features of obtained transition metal ferrites were studied by scanning electron microscopy (SEM). The possible application of these nanosized transition metal ferrites as ceramic pigments was demonstrated.

scholarly journals Mixed valence states in (SmxLa1—x)Tr2Al20(Tr= Ti and Ta) studied using X-ray absorption spectroscopy

2016 ◽  
Vol 683 ◽  
pp. 012020 ◽  
Author(s):  
Akira Yamada ◽  
Ryuji Higashinaka ◽  
Kengo Fushiya ◽  
Takuya Asano ◽  
Tatsuma D. Matsuda ◽  
...  
Keyword(s):  
Absorption Spectroscopy ◽  
Mixed Valence ◽  
X Ray ◽  
Valence States ◽  
X Ray Absorption

Element selective X-ray magnetic circular and linear dichroisms in ferrimagnetic yttrium iron garnet films

2009 ◽  
Vol 321 (23) ◽  
pp. 3945-3962 ◽  
Author(s):  
A. Rogalev ◽  
J. Goulon ◽  
F. Wilhelm ◽  
Ch. Brouder ◽  
A. Yaresko ◽  
...  
Keyword(s):  
Yttrium Iron Garnet ◽  
Yttrium Iron ◽  
X Ray ◽  
Garnet Films ◽  
Iron Garnet

High energy resolution x-ray absorption spectroscopy study of uranium in varying valence states

2010 ◽  
Vol 82 (23) ◽  
Author(s):  
T. Vitova ◽  
K. O. Kvashnina ◽  
G. Nocton ◽  
G. Sukharina ◽  
M. A. Denecke ◽  
...  
Keyword(s):  
Absorption Spectroscopy ◽  
Energy Resolution ◽  
High Energy ◽  
High Energy Resolution ◽  
Spectroscopy Study ◽  
X Ray ◽  
Valence States ◽  
X Ray Absorption

Application of X-ray absorption spectroscopy to the investigation of charge states of iron ions in iron borate nanoceramics

2014 ◽  
Vol 56 (2) ◽  
pp. 282-286 ◽  
Author(s):  
V. V. Mesilov ◽  
V. R. Galakhov ◽  
B. A. Gizhevskii ◽  
V. S. Gaviko ◽  
N. A. Ovechkina ◽  
...  
Keyword(s):  
Absorption Spectroscopy ◽  
Iron Ions ◽  
Iron Borate ◽  
X Ray ◽  
Charge States ◽  
X Ray Absorption
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