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SUMMARY:SQUID-on-tip microscopy to study non-Fourier heat transport
DTSTART;VALUE=DATE-TIME:20260601T060000Z
DTEND;VALUE=DATE-TIME:20260601T070000Z
DTSTAMP;VALUE=DATE-TIME:20260702T074500Z
UID:indico-event-5080@indico-tdli.sjtu.edu.cn
DESCRIPTION:Speakers: Arthur Marguerite (ESPCI\, Paris)\n\nHost: Prof. Ha
 ibiao Zhou  Venue: TDLI Meeting Room N102Tencent Meeting link:  https:
 //meeting.tencent.com/dm/3GiXsDiPWHVLMeeting ID: 998678890\, no password 
 Abstract:The SQUID-on-tip (SOT) technique\, with its high magnetic and the
 rmal sensitivity and nanoscale spatial resolution\, offers a powerful plat
 form for probing local thermal and electronic properties in quantum materi
 als. In this seminar\, I will introduce the SOT method and discuss its uni
 que capabilities for investigating deviations from Fourier’s law of heat
  conduction\, particularly in the context of phonon hydrodynamics. By enab
 ling direct\, non-invasive measurements of temperature at the nanoscale\, 
 SOT can provide critical insights into the emergence of hydrodynamic phono
 n regimes\, where momentum-conserving collisions dominate over resistive s
 cattering. Furthermore\, I will explore how this technique could be extend
 ed to study the thermal phonon Hall effect where transverse thermal curren
 ts arise in response to temperature gradients in the presence of a strong 
 external magnetic fields. Biography:Arthur graduated in 2017 from Sorbonn
 e University where he worked in the group of Gwendal Fève on electron int
 erferometry in the quantum Hall edge states (in AlGaAs/GaAs 2DEG). He then
  went on a first postdoc in the group of Eli Zeldov where he learnt the SQ
 UID-on-tip microscopy technique and used it to study dissipation mechanism
 s in the quantum Hall edge states of graphene. In 2020\, he went back to P
 aris as a postdoc to join the group of Çağlar Girit to study Josephson p
 hysics in atomic break junction. He got a permanent position at CNRS in 20
 22 and joined the Laboratoire de Physique et d'étude des matériaux (LPEM
 ) at Ecole Supérieure de Physique et Chimie Industrielle (ESPCI) in Paris
 . \n\nhttps://indico-tdli.sjtu.edu.cn/event/5080/
LOCATION:Tsung-Dao Lee Institute/N1F-N102 - Smart Classroom (Tsung-Dao Lee
  Institute)
URL:https://indico-tdli.sjtu.edu.cn/event/5080/
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