2021年12月8日 AC magnetic field sensing with ensemble NV centers using electrical detection methods The 4th international Forum on Quantum Metrology & Sensing Hiroki Morishita, Naoya Morioka, Testuri Nishikawa, Hajime Yao, Shinobu Onoda, Hiroshi Abe, Takeshi, Ohshima, Norikazu Mizuochi