Archive: 2005 - Moldavian Journal of the Physical Sciences

05 Jan 2005

2005
V. 4
1
(p.74 - 85)

Electronic and magnetic properties of cubic lave phase compounds

Authors:

Burzo, Emil

Summary:

Band structure calculations and magnetic measurements were performed on RM2-based compounds, where R is a rare-earth or yttrium and M = Fe, Co or Ni. The exchange enhanced paramagnets as Y(CoxNi1-x)2, at T 10 K, show a T2 type dependence of magnetic susceptibilities. Above a characteristic temperature, T* , a Curie-Weiss behaviour was evidenced. The computed mean square amplitude of spin fluctuations, at high temperatures, describes well the experimentally determined effective moments. The transition of cobalt atoms from nonmagnetic to magnetic state was analysed. A small nickel moment is induced in RNi2 compounds with magnetic rare-earths. The exchange interactions influence little iron moments. The different contributions to the R5d bands polarizations are also analyzed.

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Crossref

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BibTeX

@article{ibn_3061,
author = {Burzo, E.},
title = {Electronic and magnetic properties of cubic lave phase compounds},
journal = {Moldavian Journal of the Physical Sciences},
year = {2005},
volume = {4 (1)},
pages = {74-85},
month = {Jan},
abstract = {(EN) Band structure calculations and magnetic measurements were performed on RM2-based 

compounds, where R is a rare-earth or yttrium and M = Fe, Co or Ni. The exchange enhanced 
paramagnets  as  Y(CoxNi1-x)2,  at  T  10  K,  show  a  T2 
type  dependence  of  magnetic 
susceptibilities.  Above  a  characteristic  temperature,  T*
,  a  Curie-Weiss  behaviour  was 
evidenced. The computed mean  square amplitude of  spin  fluctuations, at high  temperatures, 
describes  well  the  experimentally  determined  effective moments.  The  transition  of  cobalt 
atoms from nonmagnetic  to magnetic state was analysed. A small nickel moment  is  induced 
in RNi2  compounds with magnetic rare-earths. The exchange interactions influence little iron 
moments. The different contributions to the R5d bands polarizations are also analyzed.},
url = {https://ibn.idsi.md/vizualizare_articol/3061},
}

DataCite

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compounds, where R is a rare-earth or yttrium and M = Fe, Co or Ni. The exchange enhanced 
paramagnets  as  Y(CoxNi1-x)2,  at  T  10  K,  show  a  T2 
type  dependence  of  magnetic 
susceptibilities.  Above  a  characteristic  temperature,  T*
,  a  Curie-Weiss  behaviour  was 
evidenced. The computed mean  square amplitude of  spin  fluctuations, at high  temperatures, 
describes  well  the  experimentally  determined  effective moments.  The  transition  of  cobalt 
atoms from nonmagnetic  to magnetic state was analysed. A small nickel moment  is  induced 
in RNi2  compounds with magnetic rare-earths. The exchange interactions influence little iron 
moments. The different contributions to the R5d bands polarizations are also analyzed.</description>
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Dublin Core

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<dc:creator>Burzo, E.</dc:creator>
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<dc:description xml:lang='en'>Band structure calculations and magnetic measurements were performed on RM2-based 

compounds, where R is a rare-earth or yttrium and M = Fe, Co or Ni. The exchange enhanced 
paramagnets  as  Y(CoxNi1-x)2,  at  T  10  K,  show  a  T2 
type  dependence  of  magnetic 
susceptibilities.  Above  a  characteristic  temperature,  T*
,  a  Curie-Weiss  behaviour  was 
evidenced. The computed mean  square amplitude of  spin  fluctuations, at high  temperatures, 
describes  well  the  experimentally  determined  effective moments.  The  transition  of  cobalt 
atoms from nonmagnetic  to magnetic state was analysed. A small nickel moment  is  induced 
in RNi2  compounds with magnetic rare-earths. The exchange interactions influence little iron 
moments. The different contributions to the R5d bands polarizations are also analyzed.</dc:description>
<dc:source>Moldavian Journal of the Physical Sciences 4 (1) 74-85</dc:source>
<dc:title>Electronic and magnetic properties of cubic lave phase compounds</dc:title>
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