We report the design and development of a piezoelectric sample rotation system, and its integration into an Oxford Instruments Kelvinox 100 dilution refrigerator, for orientation-dependent studies of quantum transport in semiconductor nanodevices at millikelvin temperatures in magnetic fields up to 10T. Our apparatus allows for continuous in situ rotation of a device through >100deg in two possible configurations. The first enables rotation of the field within the plane of the device, and the second allows the field to be rotated from in-plane to perpendicular to the device plane. An integrated angle sensor coupled with a closed-loop feedback system allows the device orientation to be known to within +/-0.03deg whilst maintaining the sample temperature below 100mK.
@article{arxiv.1009.2573,
title = {Piezoelectric rotator for studying quantum effects in semiconductor nanostructures at high magnetic fields and low temperatures},
author = {L. A. Yeoh and A. Srinivasan and T. P. Martin and O. Klochan and A. P. Micolich and A. R. Hamilton},
journal= {arXiv preprint arXiv:1009.2573},
year = {2015}
}