HgTe quantum wells for QHE metrology under soft cryomagnetic conditions: permanent magnets and liquid ${}^{4}He$ temperatures

I. Yahniuk, A. Kazakov, B. Jouault +11

HgTe quantum wells with a thickness of $\sim$7 nm may have a graphene-like band structure and have been recently proposed to be potential candidates for quantum Hall effect (QHE)…