Bulletin of the American Physical Society
APS March Meeting 2019
Volume 64, Number 2
Monday–Friday, March 4–8, 2019; Boston, Massachusetts
Session T70: Poster Session III(1:00pm-4:00pm)
1:00 PM,
Thursday, March 7, 2019
BCEC
Room: Exhibit Hall
Abstract: T70.00167 : Structural and electronic behaviors of YBa2(Fe1-xMnx)3O8+δ*
Presenter:
Richart Falconi
(Basic Science, Universidad Juárez Autónoma de Tabasco)
Authors:
Richart Falconi
(Basic Science, Universidad Juárez Autónoma de Tabasco)
Maury Solorzano
(Basic Science, Universidad Juárez Autónoma de Tabasco)
x = 0, 0.025, 0.05, 0.10 and 0.15 are reported. From the structural point of view, it was found that Mn doping generates a decrease in cell volume which is related to an oxidation state different from Mn3+ as corroborated by XPS analysis. On the other hand, the magnetic behavior of the YBa2Fe3O8+δ, system presents a weak ferromagnetic transition around 16 K. Doping with Mn, results in a considerably decrease of the magnetic transition temperature. Oxygen content slightly decreases under Ti doping, but it seems not to be related to magnetic changes. Instead magnetic behavior is routed to changes in the oxidation state of Mn ion.
*R. F. acknowledges financial support from Mexican agency CONACyT, project: (CB-2015-0 No. 253888).
M.S. Acknowledges to Conacyt for a scholarship.
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