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UID:DSC-21965
DTSTART;TZID=Europe/Berlin:20250512T145000
SEQUENCE:1747028372
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DTEND;TZID=Europe/Berlin:20250512T162000
URL:https://dresden-science-calendar.de/calendar/de/detail/21965
LOCATION:TUD\,    
SUMMARY:Stilkerich: Uniaxial Pressure Tuning of Magnetic Phases in  PdCrO2
CLASS:PUBLIC
DESCRIPTION:Speaker: Nina Stilkerich\nInstitute of Speaker: IFMP\, TU Dresd
 en\nTopics:\nPhysik\n Location:\n  Name: TUD (REC/C213)\n  Street:   \n  C
 ity:  \n  Phone: \n  Fax: \nDescription: <p><strong>Abstract</strong></p> 
 <p>Uniaxial pressure can be used to tune the competing interaction energie
 s of frustrated magnets. PdCrO2 is such a frustrated antiferromagnet below
  a Néel temperature of 37.5 K. A previous study discovered a double-to-si
 ngle-<strong>q</strong> transition under a uniaxial compression of –0.4 
 GPa\, and predicts a Néel transition at –1 GPa [1].  In this talk\, I 
 present stress-strain measurements as well as XRD and neutron diffraction 
 measurements on PdCrO2 under uniaxial pressure. Thereby\, not only the pre
 sence of the double-to-single-<strong>q</strong> transition is confirmed\,
  but a new phase is revealed. The phase is characterized by a 30% increase
  of the Young’s modulus compared to the unstressed lattice\, as well as 
 a change of the magnetic structure. The magnetic structure of the new phas
 e at ≈ –1GPa is\, other than predicted\, not a Néel-type magnetic ord
 er. </p> <p>[1] D. Sun et al.\, New J. Phys. <strong>23</strong>\, 123050
  (2021).</p> <p><strong>Z</strong><strong>oom</strong><strong>:</strong> 6
 88 4227 2214 (https://tu-dresden.zoom-x.de/j/68842272214?pwd=2nPGt3aESuZVl
 yhMAyv96TZRxkU9F9.1)\, Passcode: IFMP2024-5</p>
DTSTAMP:20260511T204145Z
CREATED:20250506T053637Z
LAST-MODIFIED:20250512T053932Z
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