Pauli spin blockade at room temperature in S/Zn-codoped silicon tunnel field effect transistors

Autor:	Ban, Yoshisuke, Kato, Kimihiko, Iizuka, Shota, Oka, Hiroshi, Murakami, Shigenori, Ishibashi, Koji, Moriyama, Satoshi, Mori, Takahiro, Ono, Keiji
Rok vydání:	2024
Předmět:	Condensed Matter - Mesoscale and Nanoscale Physics Quantum Physics
Druh dokumentu:	Working Paper
Popis:	Pauli spin blockade (PSB) has been used in fundamental studies on spins in quantum dots (QDs) and qubit readouts. The operating temperature of PSB is limited by that of QDs and remains below 10 K, limiting wide application development. Herein, we confirm that a single deep dopant in the channel of a field effect transistor functions as a room-temperature QD; consequently, transport through two different deep dopants exhibits PSB up to room temperature. The characteristic magnetoconductance provides a means to identify PSB and enables the PSB device to function as a magnetic sensor with a sensitivity of <20 uT. Liftings of PSB by magnetic resonance are also observed at low temperatures. This unique system is expected to realize room-temperature quantum technologies based on silicon technology. Comment: 29 pages, 11 figures, 1 table
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/2409.10881 Zobrazit plný text záznamu View this record from Arxiv