In–HgCdTe–In structures with symmetric nonlinear I–V characteristics for sub-THz direct detection Journal title: Semiconductor Physics, Quantum Electronics and Optoelectronics Authors: N. I. Kukhtaruk, V.V. Zabudsky, A. V. Shevchik-Shekera, N. N. Mikhailov, F. F. Sizov Subject(s):