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Geometric structure and purity of solid state, its influence to electronic structure. Surface and bulk of solid states -
distinctions. Work function and electronic interaction of solid state with neighbourhood - electron emission, effects
on contacts and PN junctions. Conductivity of metals and semiconductors, current conduction in contacts and PN
junctions.
Last update: Pavlů Jiří, doc. RNDr., Ph.D. (09.06.2021)
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Získání zápočtu je podmínkou pro konání zkoušky. Udělení zápočtu je podmíněno průběžnou účastí na a aktivitou při cvičeních. Povaha kontroly studia předmětu vylučuje opakování zápočtu. Last update: Pavlů Jiří, doc. RNDr., Ph.D. (04.06.2020)
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[1] Zangwill A.: Physics at Surfaces, Cambridge University Press, Cambridge 1988. [2] Zolotoyabko Emil, Introduction to Solid State Physics for Material Engineers, Viley-VCH Verlag GmBH, 2021. [3] Davison S. G., Steslicka M.: Basic theory of Surface States, Clarendon Press, Oxford 1992. [4] MacLaren J. M. et al.: Surface Crystallographic Information Service - a Handbook of Surface Structures, D. Reidel Publishing Comp., Lancaster 1988. Last update: Pavlů Jiří, doc. RNDr., Ph.D. (09.06.2021)
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Zkouška je ústní a student dostává typicky tři otázky ze sylabu předmětu v rozsahu, který byl prezentován na přednáškách. Last update: Pavlů Jiří, doc. RNDr., Ph.D. (04.06.2020)
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1) Geometric structure and purity of solid state. Influence to electronics structure. 2) Distinctions on surface of solid state, their importance to interaction of solid state with surroundings. Surface states. 3) Work function, its influence to interaction of two solid states surfaces. 4) Influence of work function to emission of electrons to vacuum. 5) Concertation of electrons in solid state, theory of Sommerfeld and how to use it for conductivity of semiconductors and electron emission, limits of this theory. Fermi energy and electrochemical potential. 6) Conductivity of metals. 7) Conductivity of semiconductors, dependence on temperature, mobility of electrons. 8) Contact of two surfaces: metal - metal, metal - semiconductor, two semiconductors (PN junction). 9) Current conduction in contacts and PN junction.
Last update: Pavlů Jiří, doc. RNDr., Ph.D. (09.06.2021)
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