Bulletin of the American Physical Society
APS March Meeting 2024
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session W07: Cerium, Plutonium, and Uranium Based Materials
3:00 PM–5:48 PM,
Thursday, March 7, 2024
Room: L100H
Sponsoring
Unit:
DCMP
Chair: Nicholas Sirica, Los Alamos National Laboratory (LANL)
Abstract: W07.00011 : Role of dimensionality in CeIn3 nanowires*
5:00 PM–5:12 PM
Presenter:
Maria Helena Carvalho da Costa
(Los Alamos National Laboratory)
Authors:
Maria Helena Carvalho da Costa
(Los Alamos National Laboratory)
Henrique Pizzi
(UNICAMP)
Gabriel Silva Freitas
(UNICAMP)
A. Caffer
(UNICAMP)
K. Pirota
(UNICAMP)
P. F. S. Rosa
(Los Alamos National Laboratory)
P. G. Pagliuso
(UNICAMP)
We successfully obtain nanowires (d =170 ± 5 nm) and single crystals, which we investigate by means of Energy Dispersive Spectroscopy (EDS), magnetic susceptibility, and heat capacity. Semiquantitative EDS analysis indicates a ratio of 1:3.1(1) of Ce:In in the nanowires, which is consistent with the desired stoichiometry. Magnetic susceptibility and specific heat data showed a suppression of the antiferromagnetic transition from the bulk TN ~ 10 K. Our findings suggest a strong dimensionality effect on magnetic properties. To obtain a better understanding of this effect, electrical transport measurements of isolated nanowires will be required.
*Work at Los Alamos National Laboratory was performed under the auspices of the U.S. Department of Energy, Office of Basic Energy Sciences, Division of Materials Science and Engineering.This work was supported by the FAPESP (grants No 2020/10580-8 and 22/16823-5)
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