PT Journal AU Karasik, BS Il'in, KS Pechen, EV Krasnosvobodtsev, SI TI Diffusion cooling mechanism in a hot-electron NbC microbolometer mixer SO Applied Physics Letters JI Appl. Phys. Lett. PY 1996 BP 2285 EP 2287 VL 68 IS 16 DI 10.1063/1.115886 DE HEB mixer; diffusion cooling channel; diffusion channel ER