Breakthrough in enhancement of hole mobility in strained germanium leads to emergence of new class of quantum materials

https://techxplore.com/news/2023-05-breakthrough-hole-mobility-strained-germanium.html

"record mobility holes, 4.3 million cm2V-1s-1... 4X increase mobility... 2X best mobility of electrons state of art strained silicon... low-temperature electronics with reduced Joule heating based on spin qubits, including Majorana Fermions... superior monocrystalline, low density background impurities... reduces gap between best hole mobility gallium arsenide heterostructures grown on... computers, mobile phones, gadgets, home appliances, cars, optoelectronics, sensors, laterally gated quantum devices"

Related: Sensing and controlling microscopic spin density in materials

https://phys.org/news/2023-08-microscopic-density-materials.html