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The ultrasound treatment was used for preparation of some nano-sized perovskites possessing semiconductor properties. The physical-chemical and catalytic characteristics of prepared perovskites were studied.
For the past decade TNO has been involved in the research and development of atmospheric pressure CVD (APCVD) and plasma enhanced CVD (PECVD) processes for deposition of transparent conductive oxides (TCO), such as tin oxide and zinc oxide. The use of atmospheric deposition processes allows for large scale roll to roll manufacturing, and is therefore expected to provide a breakthrough for lowering...
A planar edge termination technique of trenched field limiting ring is investigated by using 2-dimensional numerical analysis and simulation. The better voltage blocking capability and reliability can be obtained by trenching the field-limiting ring site which would be implanted. The trench etch step makes the junction depth deeper so that junction curvature effect and surface breakdown are less happened...
ldquoDevelopment for advanced thermoelectric conversion systemsrdquo supported by the new energy and industrial technology development organization (NEDO) has been successfully completed as one of the Japanese national energy conservation projects. Three types of the cascaded thermoelectric modules operating up to 850 K in high electrode temperature and two types of Bi-Te thermoelectric modules operating...
A physico-mathematical basis is used to establish bounds TD(n) on the time needed to compute n-argument functions by spatially distributed primitive devices or composite systems D. The axioms used concern the speed, packing density and noise threshold of the energy with which any computing device detects or alters the physical representation of information. The principal result is that TD(n) grows...
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