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ARPES News
Light Source Offers Improved Evaluation of Quantum Materials
CHANGSHA, China, Feb. 3, 2021 — Researchers from the College of Advanced Interdisciplinary Studies at the National University of Defense Technology developed a vacuum ultraviolet (VUV) laser system for scanning photoemission microscopy. The 177-nm VUV system was developed with a focal spot of less than 1 μm at a long focal length of approximately 45 mm using a spherical aberration-free zone plate. Based on the setup, the team also developed an off-axis fluorescence detection platform that exhibits substantial
Subsurface Structures Probed via Spectroscopy
BERKELEY, Calif., Jan. 17, 2014 — The hidden junctures where different layers of materials meet could become less mysterious under a new spectroscopy technique developed using the Advanced Light Source (ALS) at Lawrence Berkeley National Laboratory.
Laser ARPES helps explain superconductivity
BERKELEY, Calif. — A new ultrafast laser angle-resolved photoemission spectroscopy (ARPES) technique may soon help scientists realize some of the biggest obstacles to the electronic states of high-temperature superconductors so that they may one day put these...
Laser ARPES Helps Explain Superconductivity
BERKELEY, Calif., June 4, 2012 — A new ultrafast laser angle-resolved photoemission spectroscopy (ARPES) technique may soon help scientists realize some of the biggest obstacles to the electronic states of high-temperatures superconductors so that they may one day put these...
Hard X-ray Technique Sees Below the Surface
BERKELEY, Calif., Aug. 31, 2011 — A new technique called HARPES (Hard x-ray Angle-resolved PhotoEmission Spectroscopy) can study electronic structures deep below the material surface, including buried layers and interfaces in nanoscale devices. Developed by Lawrence Berkeley...
Rise of the ARPES: Spectroscopy Technique Sheds Light on Superconductors
SANTA CRUZ, Calif., Aug. 5, 2011 — Through the use of angle-resolved photoemission spectroscopy (ARPES), University of California physicists have reported progress in developing a better understanding of high-temperature superconductors. High-temperature superconductors are...
CU-Boulder Develops Laser for ARPES
Jan 11, 2006 — BOULDER, Colo., Jan. 11, 2006 -- Researchers have developed a new application for lasers in the field of condensed matter physics that they say leads the way for their use in angle-resolved photoemission, or ARPES. The team, led by University of...
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April 2024
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