High-resolution Spin- and Angle-resolved Photoelectron Spectroscopy with a New Spin Detector Adopting Very-Low-Energy Electron Diffraction (VLEED)

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  • 低速電子回折型電子スピン検出器を用いた高分解能スピン・角度分解光電子分光(実験技術)
  • 実験技術 低速電子回折型電子スピン検出器を用いた高分解能スピン・角度分解光電子分光
  • ジッケン ギジュツ テイソク デンシ カイセツガタ デンシ スピン ケンシュツキ オ モチイタ コウ ブンカイノウ スピン カクド ブンカイ コウデンシ ブンコウ

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Abstract

Spin- and angle-resolved photoelectron spectroscopy (SARPES), which analyzes energy, momentum and spin of a photoelectron, has been utilized to understand the spin-dependent electronic structures of magnetic materials. However, the low efficiency of spin analyses prevented us from obtaining spectra with high energy and momentum resolutions. In this article, we describe our new SARPES spectrometer adopting a Very-Low-Energy Electron Diffraction (VLEED) spin detector, which achieves 100 times higher efficiency than other detectors. We also present some examples of experimental results obtained by using the new SARPES spectrometer and recent topics on spin-related physics.

Journal

  • Butsuri

    Butsuri 65 (11), 849-856, 2010-11-05

    The Physical Society of Japan

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