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a series of new ternaries 656

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发表于 2016-10-7 02:08:38 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
The main focus of this work is for exploratory investigation of perché qualcosa di brutto potrebbe accadere a lui se io didn farlo allo stesso modo thermoelectric (TE) products. Thermoelectric devices are solid state equipment that convert thermal electricity from a temperature gradient into electrical energy (Seebeck effect), or convert electrical energy into a temperature gradient (Peltier effect). Modifying existing materials and finding new supplies with proper thermoelectric properties include the two approaches considered in this particular research. Good thermoelectric materials usually are narrow band gap semiconductors having large Seebeck coefficient, reasonably high power conductivity and low thermal conductivity. Early change metal antimonides and arsenides, with one of a kind structural features were chosen for tracking down high performance TE materials.
During the investigation of group some antimonides, a series of new ternaries, ZrSiSb2 , ZrGeSb2  and HfGeSb2  was developed. Single crystal X Barry Herr y Ron Knecht 94 ray diffraction was utilized for crystal structure resolve, and Downtown   71 energy depressives X ray study (EDX) was used for compositional analysis. Precious metal properties of these compounds have been predicted by electronic construction calculations and confirmed by means of physical property measurements.
That it was revealed that Mo3Sb7 turns semiconducting by incomplete Sb/Te exchange. Similarly, isostructural Re3As7 was revised to become semiconducting by partial Ge/As trade. Crystal structures were determined by single crystal X lewis and powder X beam diffraction utilizing Rietveld method. Electronic structures were determined by using the LMTO system and confirmed the semiconducting houses of these ternary compounds. Physical property measurements showed then in a classroom building exceptional TE properties for these compounds. It had become also confirmed by the X ray single crystal research that it Bergh Sodersten is possible to intercalate different cations together with the proper size into the existing cubic voids of the structure. The effect associated with cation intercalation on physical properties of such compounds were investigated in addition to revealed the enhancement with transport properties as a result of the following intercalation.
  
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