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UID:DSC-23009
DTSTART;TZID=Europe/Berlin:20260706T145000
SEQUENCE:1783316417
TRANSP:OPAQUE
DTEND;TZID=Europe/Berlin:20260706T162000
URL:https://dresden-science-calendar.de/calendar/de/detail/23009
LOCATION:TUD\,    
SUMMARY:Román: Development of a UHV-LT Scanning NV Microscope: From Instru
 mentation Challenges to Quantum Magnetic Imaging
CLASS:PUBLIC
DESCRIPTION:Speaker: Ricardo Javier Peña Román\nInstitute of Speaker: IFM
 P\, TU Dresden\nTopics:\nPhysik\n Location:\n  Name: TUD (REC/C213)\n  Str
 eet:   \n  City:  \n  Phone: \n  Fax: \nDescription: <p><strong>Abstract</
 strong></p> <p>Nitrogen-Vacancy Scanning Probe Microscopy (NV-SPM) has rec
 ently gained significant interest as a robust quantum sensing tool for qua
 ntitative magnetic imaging with high magnetic sensitivity and nanoscale sp
 atial resolution. However\, extending the operation of NV-SPM to ultra-hig
 h vacuum (UHV) and low-temperature (LT) conditions remains challenging\, r
 equiring the integration of stable scanning-probe architectures\, optimize
 d NV probes\, and reliable control of the NV charge state in such environm
 ents to investigate the magnetic properties of a broad range of quantum ma
 terials that are accessible only under well-controlled conditions.</p> <p>
 I will present the development of a home-built scanning NV microscope desi
 gned for magnetic imaging under UHV and cryogenic conditions [1]. I will 
 first discuss the design\, implementation\, and benchmarking of the NV mic
 roscope\, focusing on the key challenges associated with operating NV cent
 ers in vacuum\, including charge-state stability\, probe characterization\
 , and the optimization of experimental parameters for reliable quantum sen
 sing. Additionally\, I will show a compact and modular tip-holder design d
 eveloped to improve the robustness\, reproducibility\, and flexibility of 
 NV-SPM experiments while maintaining compatibility with other scanning pro
 be techniques [2]. Finally\, I will demonstrate how these instrumental de
 velopments enable nanoscale magnetic imaging by presenting NV magnetometry
  measurements of synthetic three-dimensional spin textures [3]. I will co
 nclude by discussing future perspectives for UHV-LT scanning NV microscopy
 .</p> <p>[1] Pinto\, PhD thesis\, EPFL (2023)<br> [2] Maity et al.\, Disco
 v. Quantum Sci. <strong>2</strong>\, 17 (2026)<br> [3] Peña Román et al.
  J. Phys. Chem. C\, <strong>130</strong>\, 4323 (2026)</p> <p><strong>Z</s
 trong><strong>oom</strong><strong>:</strong> 633 2801 2201 (https://tu-dre
 sden.zoom-x.de/j/63328012201?pwd=jFjgmPWVLgobCkrIMab0jFS2jLXcWg.1)\, Passc
 ode: IFMP2025-6<br> (Not guaranteed to be available!)</p>
DTSTAMP:20260816T213629Z
CREATED:20260625T053841Z
LAST-MODIFIED:20260706T054017Z
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