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SUMMARY:Giant magnetocaloric effect and spin supersolid  in a metallic dip
 olar magnet EuCo2Al9
DTSTART;VALUE=DATE-TIME:20260513T020000Z
DTEND;VALUE=DATE-TIME:20260513T030000Z
DTSTAMP;VALUE=DATE-TIME:20260524T050900Z
UID:indico-event-5007@indico-tdli.sjtu.edu.cn
DESCRIPTION:Speakers: Zhe Qu (屈哲) (Hefei Institutes of Physical Scienc
 e\, Chinese Academy of Sciences)\n\nHost: Prof. Ruidan Zhong  Venue: T
 DLI Meeting Room N400Tencent Meeting link: https://meeting.tencent.com/dm
 /J9ev3p0N2WQ5Meeting ID: 738235412\, no password Abstract:As a novel quan
 tum spin state combining long-range order with superfluid properties\, the
  spin supersolid exhibits significant low-energy fluctuations and entropy 
 effects at ultra-low temperatures\, making it a promising candidate for so
 lid-state refrigeration in the sub-Kelvin regime. However\, this exotic st
 ate had previously only been confirmed in quantum magnetic insulators. In 
 this talk\, I will introduce our recent discovery of a spin supersolid and
  a giant magnetocaloric effect in the rare-earth intermetallic compound Eu
 Co₂Al₉ (ECA). References：1. M. Shu et al. Nature 651\, 61–67 (202
 6)2. X.T. Xu et al. CPL 43\, 050708 (2026)3. N. Xi et al. CPL 43\, 050717 
 (2026) Biography:Dr. Zhe Qu received his double B.S. degrees in Material 
 Physics and Computer Science and Technology in 2001\, and his Ph.D. degree
  in Condensed Mater Physics in 2006 (supervisor: Prof. Yuheng Zhang)\, all
  from University of Science and Technology of China (USTC). After a two-ye
 ar postdoctoral fellow working at Tulane University (supervisor: Prof. Zhi
 qiang Mao)\, he started his independent research career at USTC as an asso
 ciated professor. At the end of 2009\, he moved to Hefei Institutes of Phy
 sical Science\, Chinese Academy of Sciences and served as an associate pro
 fessor at High Magnetic Field Laboratory (CHMFL). He was promoted to a ful
 l professor in March 2015. He is a member of YIPA-CAS since 2011\, and awa
 rded Anhui Distinguished Young Scholars Program in 2024. Dr. Qu’s resea
 rch mainly focuses on the development of measurement techniques under high
  magnetic field\, and physics in quantum magnets. With funding supports fr
 om NSFC\, MOST and CAS\, he has published more than 100 peer-reviewed pape
 rs including Nature\, Nat. Commun.\, etc.  \n\nhttps://indico-tdli.sjtu.
 edu.cn/event/5007/
LOCATION:Tsung-Dao Lee Institute/N4F-N400 - meeting room (Tsung-Dao Lee In
 stitute)
URL:https://indico-tdli.sjtu.edu.cn/event/5007/
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