Spatially resolved quantum magnetometry and stray-field reconstruction of permalloy microdisks using boron-vacancy centers in hexagonal boron nitride

Peiting Wen, Shuyu Wen, Jiang Qu +13

Transferable hexagonal boron nitride (hBN) hosting negatively charged boron-vacancy (VB${}^{-}$) spin defects offers a versatile platform for integrated quantum magnetometry, yet qua…