[8a-A413-8~12] 10.4 半導体スピントロニクス・超伝導・強相関

▼ [8a-A413-11] Observation of Zero-Magnetic-Field Spin Splitting in a Band-Inverted InAs/InGaSb Quantum Well

〇Yukio Takahashi¹、Hiroshi Irie¹、Takafumi Akiho¹、Koji Onomitsu¹、Koji Muraki¹ (1.NTT BRL)

キーワード：InAs/InGaSb quantum well, quantum capacitance, spin splitting

In a band-inverted InAs/InGaSb quantum well, known as the two-dimensional topological insulator, we observed for the first time a zero-magnetic-field spin splitting of the bulk states by measuring the change in the quantum capacitance.