3 papers
cond-mat.supr-con2026
Josephson transport in YBaCuO weak links created by focused-helium-ion-beam irradiation: Analysis based on diffusive-SNS-junction model
Tetsuro Misawa, Shigeyuki Ishida, Hiroshi Eisaki +3
Fabrication of YBCO weak links by focused helium ion beam irradiation is a promising approach for realizing high-temperature superconducting Josephson junction devices. Although em…
cond-mat.mes-hall2026
Spin-coherence characterization of boron vacancy defects in hexagonal boron nitride with broadband microwave pulses
Yuki Nakamura, Takuya Iwasaki, Shu Nakaharai +6
Negatively charged boron vacancy (VB-) defects in hexagonal boron nitride (hBN) are promising for nanoscale-proximity quantum sensing. To evaluate their performance, it is importan…
cond-mat.mes-hall2025
Systematic investigation of dynamic nuclear polarization with boron vacancy in hexagonal boron nitride
Yuki Nakamura, Shunsuke Nishimura, Takuya Iwasaki +7
Dynamic nuclear polarization (DNP) using the boron vacancy () in hexagonal boron nitride (hBN) has gained increasing attention. Understanding this DNP requires syst…