visual
visual

세미나

  • HOME
  • >
  • 소식
  • >
  • 세미나
날짜 2016-04-12 16:00 
연사  
장소 E6-2. 1st fl. #1323 

Confinement of Superconducting Vortices in Magnetic Force Microscopy

 

Apr. 12 (Tue.), 4 PM, E6-2. 1st fl. #1323
Dr. Jeehoon Kim, POSTECH

 

Magnetic force microscope (MFM) laboratory at CALDES in IBS has constructed a 3He MFM, operating within a vector magnet with the base temperature of 300 mK and magnetic field range of 2-2-9 T in the x-y-z direction.

We demonstrated magnetic imaging capabilities at very low temperature by imaging simultaneously superconducting vortices and magnetic stripes at T= 500 mK in the ferromagnetic superconductor ErNi2B2C which has a ferromagnetic transition below Twfm=2.3 K. The direct visualization of coexistence between superconductivity and magnetism was carried out in ErNi2B2C. The vector field performance of the apparatus was also demonstrated by the creation and imaging of Abrikosov vortices within a superconducting Nb film using a vector field. For example, an in-plane field allows creating a vortex-antivortex pair which is confined through a single flux tube, and thus showing a linear potential in distance. We show an interesting contrast of interaction nature between confined and isolated vortices.​​


Contact: Eun Gook Moon, Physics Dept., (egmoon@kaist.ac.kr) 

 

번호 날짜 연사 제목
공지 2025-02-24 16:00    2025년 봄학기 콜로키움 안내
공지 2025-02-27 16:00    2025년 봄 물리학과 특별세미나 (광학/응집물리 분야)
472 2023-06-14 16:00    [CAPP seminar] EMC at CERN file
471 2023-06-08 16:00    Thermal decoupling in high-Tc cuprate superconductors
470 2023-06-01 16:00    Hall viscosity and topological phenomena
469 2023-06-01 16:00    (광학분야 세미나)Quantum sensing using a squeezed light from hot Rb vapor
468 2023-05-31 16:00    [High-Energy Theory Seminar] Resurgence and complex Chern-Simons theory
467 2023-05-26 11:00    (응집물리 세미나)Spectral Analyses of Stochastic Charge Trapping in Oxide Heterostructures file
466 2023-05-22 13:00    Design & Development of Electrochemical Biosensors for the Detection of T2DM Biomarkers
465 2023-05-19 11:00    (응집물리 세미나)Dipole condensations in Tilted Bose-Hubbard Chains
464 2023-05-18 16:00    (광학분야 세미나)Dielectric metasurfaces for optimized optical system and spatial light modulators
463 2023-05-17 16:30    Detecting Hidden Photon Dark Matter via the Excitation of Qubits file
462 2023-05-17 14:00    Optical Response in the multilayer thin films
461 2023-05-15 16:00    Role of dark Higgs boson in DM physics and cosmology file
460 2023-05-12 11:00    (응집물리 세미나)Interlayer conductivity and plasmon in weakly coupled layered systems
459 2023-05-03 16:00    Probing microscopic origins of axions by the chiral magnetic effect
458 2023-04-28 11:00    Tkachenko wave: From the modern field theory viewpoint
457 2023-04-27 16:00    (광학분야 세미나)On-chip spectrometers based on CMOS image sensors
456 2023-04-27 11:00    Inverse Shapiro steps and coherent quantum phase slip in superconducting nanowires
455 2023-04-14 12:00    (응집물리 세미나)Exotic quantum phenomena in two-dimensional materials file
454 2023-04-13 11:00    [High Energy Theory Seminar]Noninvertible Gauss Law and Axions
453 2023-04-06 16:00    (광학분야 세미나)Nanophotonics-based approaches to explore Berry physics