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SUMMARY:Nanoscale single spin magnetometry for nano magnetism and antiferr
 omagnetic spintronics"
DTSTART:20171201T151500
DTSTAMP:20260510T032040Z
UID:868467a8ef762be418c4dc410bb9a4e2f19b81f501cc0102e20d4168
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Patrick Maletinsky\, Univ. Basel \nElectronic spins yie
 ld excellent quantum sensors\, offering quantitative\, nanoscale sensing a
 nd imaging [1] down to the level of single spins [2]. Over the last years\
 , the Basel Quantum Sensing Group has developed all-diamond scanning probe
 s [3]\, which offer a robust\, highly-sensitive implementation of such sin
 gle-spin quantum sensors\, specifically designed to address challenging\, 
 open problems in condensed matter physics. In this talk\, I will focus on 
 our recent advances in applying this novel and unique quantum-technology t
 o study thin-film antiferromagnets on the nanoscale. Such systems have rec
 ently attracted significant interest due to the key role they play in the 
 emerging field of antiferromagnetic spintronics [4]. However\, due to thei
 r vanishing net magnetic moment\, thin film antiferromagnets are notorious
 ly hard to address on the nanoscale. I will show how our quantum sensors c
 an overcome such limitations by presenting quantitative quantum sensing an
 d imaging of non-trivial spin-textures [5] and nanoscale domains [6] in th
 in film antiferromagnets such as Cr2O3 and BiFeO3. Time permitting\, I wil
 l also discuss our activities in bringing single spin magnetometry to cryo
 genic conditions\, where we recently demonstrated high-precision imaging o
 f individual vortices in thin film superconductors [7]. These results esta
 blish scanning single spin magnetometry as a novel\, powerful tool to addr
 ess electronic properties of mesoscopic\, solid state systems on the nanos
 cale.   \n\nReferences\n[1]     L. Rondin et al.\, Rep. Prog. Phys.
  77\, 056503\n[2]     M. Grinolds et al.\, Nature Physics 9\, 215\n[3]
      P. Appel et al.\, Rev. Sci. Instrum. 87\, 063703\, P. Maletinsky\
 , et al.\, Nature Nanotech. 7\, 320\n[4]     T. Jungwirth et al.\, Nat
 ure Nanotech. 11\, 231\n[5]     I. Gross et al.\, Nature 549\, 252\n[6
 ]     T. Kosub et al.\, Nature Commun. 8\, 13985\n[7]     L. Thiel
  et al.\, Nature Nano. 11 677\nAbout the research of the speaker: https:
 //quantum-sensing.physik.unibas.ch/news.html\n \n 
LOCATION:auditorium CE5
STATUS:CONFIRMED
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