2017年
Spin-polarized STM overview and issues for next developments
Journal of the Vacuum Society of Japan
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回数 : 476
- 巻
- 60
- 号
- 5
- 開始ページ
- 159
- 終了ページ
- 164
- 記述言語
- 日本語
- 掲載種別
- DOI
- 10.3131/jvsj2.60.159
- 出版者・発行元
- Vacuum Society of Japan
Spin-polarized STM (SP-STM) is a powerful tool to visualize sample spin-polarization vectors at an atomic scale. A dificulty of SP-STM measurement is how to fabricate a tip with a stable spin-polarization vector. In 1990's, first, many eforts were payed for a GaAs tip with optically pumping, but finally the GaAs tip did not detect sample spin polarization due to quenching of the spin-polarization at the GaAs tip apex. However, in 2000, a W tip coated by a magnetic thin film detected the spin-polarized tunneling current, and spin polarization images of magnetic atoms were successfully obtained. In 2016, more than 15 groups in the world can perform SP- STM measurements. History and issues for further development of SP-STM measurements are discussed.
- リンク情報
- ID情報
-
- DOI : 10.3131/jvsj2.60.159
- ISSN : 1882-2398
- ORCIDのPut Code : 46653955
- SCOPUS ID : 85019226099