visual
visual

세미나

  • HOME
  • >
  • 소식
  • >
  • 세미나
날짜 2015-09-14 14:00 
연사  
장소 E6-2. 2nd fl. #2501 

Ultrafast X-ray Studies on Dynamics Matter in Extreme Conditions

 

2015/09/14(Mon) 2PM, E6-2. 2nd fl. #2501
Dr. Hae Ja Lee,  Stanford University, SLAC


Investigation of matter properties in extreme thermodynamic conditions has attracted numerous experimental and theoretical work motivated by its implication in shock wave physics, high pressure physic, geoscience, dense plasmas, warm dense matter, x-ray and laser created plasmas, and astrophysically relevant plasmas. Static compression studies using diamond anvil cells and synchrotron light source have revealed structural phase transitions of crystalline material under high pressure. Recent shock compression studies at high power optical laser facilities have accomplished measurements of material properties in extreme conditions beyond pressures generated by diamond anvil cells. In particular, dynamic compression experiments have contributed to produce and probe a broad range of extreme conditions on very short time scales. However, the understanding the atomic-level dynamic response of material under such conditions are not well understood yet. 
The LCLS free electron laser providing femtosecond pulses of keV x-rays with sufficient brilliance (~1012 photons /pulse) is well suited to examine dynamic responses in materials subject to a broad range of peak stresses (~ 5 GPa to above 100 GPa) and time durations (10s fs up to several hundred ns). Development of advanced diagnostic technique using LCLS beam permits experiments in the regimes of interest at the time and spatial scales of the simulations. This talk will present state-of-the-art experimental platform at MEC endstation and address phase transitions and dynamic responses of several materials including Bi, Si, SiO2 during shock loading. I will also look into the potential to advance our knowledge of the dynamic behavior.

 

Contact: EunJung Jo, Physics Dept., (jojo@kaist.ac.kr)

번호 날짜 연사 제목
공지 2025-04-29 10:00  Dr. Yeonju Go (Brookhaven National Laboratory)  Exploring the Hottest Matter in the Universe: Quark-Gluon Plasma through Hard Probes and Artificial Intelligence
공지 2025-05-01 16:00  Dr. Inwook Kim (Lawrence Livermore National Laboratory)  BSM Physics Search with Quantum Sensors
공지 2025-02-24 16:00    2025년 봄학기 콜로키움 안내
공지 2025-02-27 16:00    2025년 봄 물리학과 특별세미나 (광학/응집물리 분야)
539 2023-07-19 16:00    [High-Energy Theory Seminar]Deriving the Simplest Gauge-String Duality
538 2023-03-02 11:00    Probing Anomalies of Non-Invertible Symmetries with Symmetry TFTs
537 2020-07-02 16:00    An irreversible qubit-photon coupling for the detection of itinerant microwave photons file
536 2015-08-04 11:00    Propagation of ultrasound through two- and three-dimensional strongly scattering media
535 2016-07-07 14:00    Let there be topological superconductors
534 2017-09-22 13:00    Superconductor-metal-insulator transition in thin Tantalum films file
533 2017-06-02 14:30    Quasiparticle Interference and Fourier transform scanning tunneling spectroscopy in WTe2 (Weyl semimetal) file
532 2016-05-24 16:00    Electronic and magnetic properties of 2D transition-metal thiophosphates and tunability of magnetic order with carrier density
531 2023-06-14 16:00    [CAPP seminar] EMC at CERN file
530 2023-06-15 16:00    [CAPP Seminar] Cryogenic electronics for ion traps file
529 2016-04-04 09:30    Radio frequency engineering
528 2016-11-1 10:30    Time scale dependent dynamics in InAs/InP quantum dot gain media
527 2018-10-25 16:00    Abelian and non-Abelian dark photons file
526 2024-08-14 11:00    Pair Density Waves and Supercurrent Diode Effect in Altermagnets
525 2017-09-22 14:30    Quantum Electronic Transport in Graphene Hybrid Nanostructures file
524 2017-09-22 16:00    Unexpected Electron-Pairing in Integer Quantum Hall Effect file
523 2024-05-14 16:00    [High Energy Theory Seminar] Minimal Production of Prompt Gravitational Waves during Reheating.
522 2018-12-07 14:30    Spin generation from heat and light in metals file
» 2015-09-14 14:00    Ultrafast X-ray Studies on Dynamics Matter in Extreme Conditions
520 2016-09-22 15:30    Polarized 3He, Polarized Neutrons and New Interactions beyond the Standard Model