BEGIN:VCALENDAR
VERSION:2.0
CALSCALE:GREGORIAN
PRODID:iCalendar-Ruby
BEGIN:VEVENT
CATEGORIES:Academics,Faculty & Staff,Grad Students & Postdocs
DESCRIPTION:"Ultrafast Spin Manipulation in Engineered Magnetic Materials: 
 Paving the Way for Next-Generation Computing"\n\n \n\nPresented by:  Dr. An
 jan Barman\, Senior Professor and Dean (Faculty) from S.N. Bose National Ce
 ntre for Basic Sciences\, India\n\n \n\nSpintronics and Magnonics are rapid
 ly emerging fields with myriad applications in magnetic storage\, memory\, 
 logic\, sensors\, microwave source\, data communication and processing as w
 ell as wave-based computing. For them to become viable and sustainable tech
 nology it is imperative to study excitation\, manipulation and detection of
  spin dynamics in artificially structured magnetic materials. Besides\, nov
 el effects such as spin-orbit effects\, pure spin current transport\, spin 
 textures\, hybrid magnonics\, voltage-controlled magnetism have made strong
  influences in a rich variety of phenomena occurring over a wide range of t
 ime-scale and length-scale.\n\n \n\nHere\, we will discuss ultrafast demagn
 etization\, remagnetization\, transient magnetic enhancement (TME)\, preces
 sion\, Gilbert damping and spin waves in different ferromagnetic thin films
 \, heterostructures\, nanostructures and spin textures. The role of spin-fl
 ip scattering and spin/thermal transport in ultrafast demagnetization and T
 ME will be discussed [1-2]. Investigation of spin Hall effect [3-4] and spi
 n pumping effect [5-6] in ferromagnet(FM)/nonmagnet (NM) or 2D materials sy
 stems by a novel all-optical measurement of modulation of damping and the r
 ole of spin mixing conductance\, interfacial spin transparency\, spin-diffu
 sion length and two-magnon scattering will be conferred. The effects of pur
 e spin current on the ultrafast demagnetization process in graphene/FM hete
 rostructure and its electrical control will be discussed [6-7]. Interfacial
  Dzyaloshinskii-Moriya interaction is cardinal in stabilizing chiral spin t
 extures in FM/NM heterostructures\, and we will demonstrate its precise det
 ection and quantification using asymmetric spin-wave dispersion in Brilloui
 n light scattering experiment and probing of its microscopic origin by firs
 t principles-calculations [8-9]. Finally\, we will discuss an emergent phen
 omenon in reconfigurable and hybrid magnonics\, namely voltage controlled o
 n-demand magnonics [10].\n\n \n\nReferences\n\n1. S. Pan et al. Phys. Rev. 
 B 98\, 214436 (2018)\; 2. A. K. Mondal et al. ACS Nano 18\, 16914 (2024)\; 
 3. A. Ganguly et al. Appl. Phys. Lett. 105\, 112409 (2014)\; 4. S. Mondal e
 t al.\, Phys. Rev. B 96\, 054414 (2017)\; 5. S. Panda et al. Sci. Adv. 5\, 
 eeav7200 (2019)\; 6. S. Panda et al.\, Nanoscale 13\, 13709 (2021)\; 7. D. 
 M. Belinchón\, S. Mukhopadhyay et al. Phys. Rev. Lett. 135\, 097001 (2025)\
 ; 8. A. K. Chaurasiya et al. Phys. Rev. B 99\, 035402 (2019)\; 9. S. Pal et
  al. ACS Nano 19\, 23564–23574 (2025)\; 10. S. Choudhury et al. Sci. Adv. 6
 \, eaba5457 (2020).
DTEND:20260224T203000Z
DTSTAMP:20260315T084750Z
DTSTART:20260224T193000Z
GEO:39.681038;-75.752869
LOCATION:Sharp Lab\, 215
SEQUENCE:0
SUMMARY:CMP Seminar - Dr. Anjan Barman
UID:tag:localist.com\,2008:EventInstance_51746650379436
URL:https://events.udel.edu/event/cmp-seminar-dr-anjan-barman
END:VEVENT
END:VCALENDAR