Multi-channel exchange-scattering spin polarimetry

Abstract

Electron spin takes critical role in almost all novel phenomena discovered in modern condensed matter physics (High-temperature superconductivity, Kondo effect, Giant Magnetoresistance, topological insulator, quantum anomalous Hall effect, etc.). However, the measurements for electron spin is of poor quality which blocks the development of material sciences because of the low efficiency of spin polarimeter. Here we show an imaging type exchange-scattering spin polarimeter with 5 orders more efficiency compared with a classical Mott polarimeter. As a demonstration, the fine spin structure of electronic states in bismuth (111) is investigated, showing the strong Rashba type spin splitting behavior in both bulk and surface states. This improvement pave the way to study novel spin related phenomena with unprecedented accuracy.

References in corpus (4)

• Experimental Observation of the Quantum Anomalous Hall Effect in a Magnetic Topological Insulator
• Weyl semimetal phase in non-centrosymmetric transition metal monophosphides
• Strong spin-orbit splitting on Bi surfaces
• The design of a multi-channel spin polarimeter

Cited by in corpus (11)

• Electronic structure of quantum materials studied by angle-resolved photoemission spectroscopy
• Angle-resolved photoemission spectroscopy and its application to topological materials
• Observation of plaid-like spin splitting in a noncoplanar antiferromagnet
• High-resolution three-dimensional spin- and angle-resolved photoelectron spectrometer using vacuum ultraviolet laser light
• Rashba-like spin splitting along three momentum directions in trigonal layered PtBi2
• Spin Mapping of Surface and Bulk Rashba States in Ferroelectric a-GeTe(111) Films
• Spin- and time-resolved photoelectron spectroscopy and diffraction studies using time-of-flight momentum microscopes
• Improvement of image-type very-low-energy-electron-diffraction spin polarimeter
• Visualization of spin-polarized electronic states by imaging-type spin-resolved photoemission microscopy
• Vectorial spin-polarization detection in multichannel spin-resolved photoemission spectroscopy using an Ir(001) imaging spin filter
• Development of a Laser-based angle-resolved-photoemission spectrometer with sub-micrometer spatial resolution and high-efficiency spin detection