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We show how to measure dynamic specific heat and thermal conductivity of a solid or liquid sample using the 3ω technique, which is an ac‐modulation method where we use a heater simultaneously as the… (More)
Abstract Using a single thermocouple as a heater and temperature sensor simultaneously, we have developed a new type of gas pressure sensor termed the Peltier vacuum gauge (PVG). The PVG measures gas… (More)
Polyamideimides having nonlinear optical (NLO)-active chromophores were synthesized by direct polycondensation of 4-[N,N′-bis(2-aminoethyl)amino]-4′-nitrostilbene (DANS-diamine) with… (More)
Abstract The polyamideimides having NLO-active chromophores were synthesized by the condensation polymerization of DANS-diamine with trimellitic acid chloride. The polymer was characterized by IR,… (More)