2材料物理课件_(13).ppt

1, what is the wave particle duality theory? does any matter have both wave and particle characteristics? 2, what is the uncertainty principle?( for an example) 3,wavefunction and its meaning. 4,the solution of schrodinger equation of the particles bound in one-dimensional potential wells. 5,what is the best obvious characteristics of crystal lattice ? 6,what is the forbidden band, empty band, valence band ,conduction band? 7,use the theory of energy band to explain what is the insulator, semiconductor and conductor. 8,what is the mobility of semiconductor? what are the factors which have effect on the the mobility? 9,p-semiconductor and n-semiconductor. the energy band sketch of a p-n junction. 10,what is the direct band gap semiconductor? what is the indirect band gap semi- conductor? 11, what are functions of the diodes and dynatrons? 12, show the types of field effect transistors (fet) and their functions; please give the basic structure and function of thin film transistor (tft). 13, what are the basic conditions of a material which can produce visible light emission. 14, what is the photoluminescence (pl) and what is the electroluminescence (el). 15, measurement of light-emitting diode (led). 16,how many types of photovoltaic solar cells do you know? 17,current-voltage curve of photodiodes. what are the differences of the photovoltaic cells and photo-detectors? 18, the energy efficiency, voc, i sc and f.f of photovoltaic cells. 19, measurement of solar cells. 20,what are diamagnetic and paramagnetic materials ? 21, the basic write-read principle of electro-memory. 22, what does a vacuum system consists of ? cvd system and its function. 23,the applications of nanomaterials. 24,what are the