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Slowing Down of Molecular Reorientations in [Ni(NH3)6](N03)2

Published online by Cambridge University Press:  22 February 2011

Jerzy A. Janik ,
Jacek Mayer ,
Jan Krawczyk ,
Tormod Riste ,
Kaare Otnes ,
Janina M. Janik  and
Teresa Stanek
Jerzy A. Janik
Affiliation:
H.Niewodniczański Institute of Nuclear Physics, Kraków, Poland
Jacek Mayer
Affiliation:
H.Niewodniczański Institute of Nuclear Physics, Kraków, Poland
Jan Krawczyk
Affiliation:
H.Niewodniczański Institute of Nuclear Physics, Kraków, Poland
Tormod Riste
Affiliation:
Institutt for energiteknikk, Kjeller, Norway
Kaare Otnes
Affiliation:
Institutt for energiteknikk, Kjeller, Norway
Janina M. Janik
Affiliation:
Jagiellonian University, Faculty of Chemistry, Kraków, Poland.
Teresa Stanek
Affiliation:
Jagiellonian University, Faculty of Chemistry, Kraków, Poland.
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Abstract

Quasielastic neutron scattering measurements of [Ni(NH3)6](N03)2 were made with two different resolutions of ca. 140 and 30 μeV. The following suggestions are analyzed:

1. The NH3 rotational diffusion model is more adequate than NH3 120° jump model.

2. Some NH3 groups slow down whereas some rotate rapidly.

3. There exists an additional QNS component close to the phase II/phase III transition.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 376: Symposium BB – Neutron Scattering in Materials Science , 1994 , 769
Copyright
Copyright © Materials Research Society 1995

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References

References:

1 Janik, J.M. Janik, Migdal-Mikuli, A., Mikuli, E., Otnes, K.; Physica 11OB, 62 (1981).Google Scholar
2 Belushkin, , Janik, J.A., Janik, J.M., Natkaniec, I., Nawrocik, W., Olejarczyk, W., Otnes, K., Zaleski, T.; Physica 122B, 217 (1983).Google Scholar
3 Migdal-Mikuli, , Mikuli, E., Rachwalska, M., Stanek, T., Janik, J.M., Janik, J.A.; Physica 104B, 331 (1981).Google Scholar
4 Andresen, A., Fjellvaag, H., Janik, J.A., Mayer, J., Ściesiński, J., Janik, J.M., Migdal-Mikuli, A., Mikuli, E., Rachwalska, M., Stanek, T.; Physica 138B , 295 (1986).Google Scholar
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