Incipient antiferromagnetism in the Eu-doped topological insulator Bi2Te3

Rare earth ions typically exhibit larger magnetic moments than transition metal ions and thus promise the opening of a wider exchange gap in the Dirac surface states of...稀土离子（rare earth ions）通常比过渡金属离子（transition metal ions）具有更大的磁矩（magnetic moments），因此有望在……的狄拉克表面态（Dirac surface states）中开启更宽的交换能隙（exchange gap）。