61Ni MÖSSBAUER EFFECT STUDIES OF THE FERRIMAGNETIC SPINEL NiCr2O4 IN AN APPLIED MAGNETIC FIELD

1980 ◽  
Vol 41 (C1) ◽  
pp. C1-185-C1-186 ◽  
Author(s):  
P. Gütlich ◽  
H. Rummel ◽  
H. Spiering
Keyword(s):  
Magnetic Field ◽  
Applied Magnetic Field ◽  
Mössbauer Effect ◽  
Mossbauer Effect

Mössbauer effect of a singly substituted YIG system in an applied magnetic field

1975 ◽  
Vol 28 (2) ◽  
pp. K143-K145 ◽  
Author(s):  
J. Piekoszewski ◽  
J. Suwalski ◽  
L. Dąbrowski ◽  
S. Makolągwa
Keyword(s):  
Magnetic Field ◽  
Applied Magnetic Field ◽  
Mössbauer Effect ◽  
Mossbauer Effect

Identification of iron-containing impurities in natural kaolinites using the Mössbauer effect

1975 ◽  
Vol 40 (309) ◽  
pp. 89-96 ◽  
Author(s):  
C. S. Hogg ◽  
P. J. Malden ◽  
R. E. Meads
Keyword(s):  
Magnetic Field ◽  
Hyperfine Field ◽  
Mössbauer Effect ◽  
Hyperfine Magnetic Field ◽  
Mossbauer Effect ◽  
X Ray ◽  
Chemical Work ◽  
Superparamagnetic Behaviour ◽  
The Mean ◽  
Mössbauer Data

SummaryTwo clay samples originating in the kaolinized granite area near St. Austell, Cornwall, have been examined by Mössbauer spectroscopy. The iron-containing impurity in the sample with a red discoloration (sample A) has, by measurement of the hyperfine magnetic field, been identified as hematite. In the case of sample B, which was yellow in colour, preliminary Mössbauer work indicated β-FeOOH as the impurity, but detailed measurements of hyperfine field and Nöel temperature, when compared with similar results for a synthetic β-FeOOH sample, suggested otherwise. X-ray and chemical work suggested that the iron-containing phase in sample B is goethite, α-FeOOH in which some substitution of Al+3 for Fe3+ has occurred; the Mössbauer data are consistent with this conclusion. Both clay samples exhibited superparamagnetic behaviour and this has been utilized to obtain rough estimates of the mean radius of the particles of the iron-containing impurity. These were 117 Å for the α-Fe2O3 in sample A and 270 Å for aluminian α-FeOOH in sample B.

MÖSSBAUER EFFECT IN RHODIUM IRON ALLOYS

1971 ◽  
Vol 32 (C1) ◽  
pp. C1-863-C1-864 ◽  
Author(s):  
B. WINDOW ◽  
G. LONGWORTH ◽  
C. E. JOHNSON
Keyword(s):  
Mössbauer Effect ◽  
Iron Alloys ◽  
Mossbauer Effect

NMR DETECTED BY MÖSSBAUER-EFFECT APPLIED TO THE SYSTEM 57Co Fe

1974 ◽  
Vol 35 (C6) ◽  
pp. C6-686-C6-686
Author(s):  
R. LAURENTZ ◽  
E. KLEIN ◽  
W. D. BREWER
Keyword(s):  
Mössbauer Effect ◽  
Mossbauer Effect

MÖSSBAUER EFFECT STUDY OF CATION DISTRIBUTION IN NATURAL CHROMITES

1976 ◽  
Vol 37 (C6) ◽  
pp. C6-783-C6-785 ◽  
Author(s):  
E. G. DA SILVA ◽  
A. ABRAS ◽  
A. O. R. SETTE CAMARA
Keyword(s):  
Cation Distribution ◽  
Mössbauer Effect ◽  
Effect Study ◽  
Mossbauer Effect
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