1. Nano-Device Laboratory, Department of Electrical and Computer Engineering, Bourns College of Engineering, University of California—Riverside, Riverside, California 92521, USA
2. CENTERA Laboratories, Institute of High-Pressure Physics, Polish Academy of Sciences, Warsaw 01-142, Poland
3. Phonon Optimized Engineered Materials Center, Materials Science and Engineering Program, Bourns College of Engineering, University of California—Riverside, Riverside, California 92521, USA
4. Department of Metrology and Optoelectronics, Gdańsk University of Technology, Gdańsk 80-233, Poland
5. Centre for Advanced Materials and Technologies CEZAMAT, Warsaw University of Technology, Warsaw 02-822, Poland
6. Laboratoire Charles Coulomb, University of Montpellier and CNRS, Montpellier 34950, France
7. Laboratory for Terahertz and Terascale Electronics, Department of Electrical and Computer Engineering, University of California—Riverside, Riverside, California 92521, USA