Temperature defendence of the hyperfine interaction in (NH4)2ZrF6

The thermal evolution of the hyperfine quadrupole interaction in (NH4)2ZrF6 has been investigated via TDPAC from 14 to 400 K. A phase transition is detected near 370 K. The low-temperature phase exhibits two sites equally populated for181Ta probes. The associated electric field gradients are describ...

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Detalles Bibliográficos
Autores principales: Rodríguez, Agustín Mario, Martínez, Jorge Alberto, Caracoche, María Cristina, Rivas, Patricia Claudia, López García, Alberto Raúl
Formato: Articulo
Lenguaje:Inglés
Publicado: 1983
Materias:
Ciencias Exactas
hyperfine quadrupole interaction
TDPAC measurements
temperatura
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/138589
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-138589
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ciencias Exactas
hyperfine quadrupole interaction
TDPAC measurements
temperatura
spellingShingle Ciencias Exactas
hyperfine quadrupole interaction
TDPAC measurements
temperatura
Rodríguez, Agustín Mario
Martínez, Jorge Alberto
Caracoche, María Cristina
Rivas, Patricia Claudia
López García, Alberto Raúl
Temperature defendence of the hyperfine interaction in (NH4)2ZrF6
topic_facet Ciencias Exactas
hyperfine quadrupole interaction
TDPAC measurements
temperatura
description The thermal evolution of the hyperfine quadrupole interaction in (NH4)2ZrF6 has been investigated via TDPAC from 14 to 400 K. A phase transition is detected near 370 K. The low-temperature phase exhibits two sites equally populated for181Ta probes. The associated electric field gradients are described by both high asymmetry parameters and high interaction frequencies. On the other hand, the high-temperature phase corresponds to an unique axially symmetric and more intense electric field gradient.
format Articulo
Articulo
author Rodríguez, Agustín Mario
Martínez, Jorge Alberto
Caracoche, María Cristina
Rivas, Patricia Claudia
López García, Alberto Raúl
author_facet Rodríguez, Agustín Mario
Martínez, Jorge Alberto
Caracoche, María Cristina
Rivas, Patricia Claudia
López García, Alberto Raúl
author_sort Rodríguez, Agustín Mario
title Temperature defendence of the hyperfine interaction in (NH4)2ZrF6
title_short Temperature defendence of the hyperfine interaction in (NH4)2ZrF6
title_full Temperature defendence of the hyperfine interaction in (NH4)2ZrF6
title_fullStr Temperature defendence of the hyperfine interaction in (NH4)2ZrF6
title_full_unstemmed Temperature defendence of the hyperfine interaction in (NH4)2ZrF6
title_sort temperature defendence of the hyperfine interaction in (nh4)2zrf6
publishDate 1983
url http://sedici.unlp.edu.ar/handle/10915/138589
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