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SUMMARY:Structural and magnetic characterization of $Pr_{0.5}Ca_{0.09}Sr_{
 0.41}MnO_3$ manganites
DTSTART;VALUE=DATE-TIME:20260414T230300Z
DTEND;VALUE=DATE-TIME:20260414T231000Z
DTSTAMP;VALUE=DATE-TIME:20260408T173224Z
UID:indico-contribution-357@fisindico.uniandes.edu.co
DESCRIPTION:Speakers: Gabriela Rodriguez (Los Andes University)\nManganite
 s with a $CaMnO_3$-type structure are generally antiferromagnetic and insu
 lating at low temperatures. However\, chemical substitution with rare-eart
 h elements induces strong competition between coexisting antiferromagnetic
  (AFM) and ferromagnetic (FM) phases\, often leading to phase separation a
 nd field-induced metamagnetic transitions. These transitions can be unders
 tood as percolation events\, where FM metallic clusters grow within an AFM
  insulating matrix until a conducting network spans the system at the perc
 olation threshold\, driving the metal-insulator transition. Despite extens
 ive research\, the coupling between structural distortions and magnetic or
 dering in these systems remains not fully understood.\n\nHere\, we present
  a structural and compositional characterization of  $Pr_{0.5}Ca_{0.09}Sr_
 {0.41}MnO_3$   (PCSMO) powder. The crystal structure and phase purity were
  examined by X-ray diffraction (XRD) and Raman spectroscopy\, while the el
 emental composition was analyzed using energy-dispersive X-ray spectroscop
 y (EDX). Magnetic characterization was done through vibrating sample magne
 tometry (VSM) measurements performed at different temperatures to evaluate
  magnetic transitions. Our results suggest potential applications in neuro
 morphic computing as well as in magnetic and thermal sensing devices.\n\nh
 ttps://fisindico.uniandes.edu.co/event/23/contributions/357/
LOCATION:Universidad Nacional Edificio 564
URL:https://fisindico.uniandes.edu.co/event/23/contributions/357/
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