Subject: Materials in electrical engineering
(17 -
H110) Basic Information
Course specification
Course is active from 13.02.2006.. Acquiring basic knowledge in the field of contemporary materials used in electrical engineering as well as measuring techniques for determining their electrical, optical and magnetic properties. - ability to determine specific resistivity of semiconductors by four point method
- ability to determine type of the semiconductor and its other properties using the Hall method
-ability of practical application of Hall methods in electrical engineering (Hall’s sensor, current measuring on PCB) Basic properties and classification of materials in electrical engineering. Crystal structures. Imperfections inside crystals. Energy gap, carrier concentration, the type of admixtures, transport phenomena. Engineering of the energy gap. Semiconductors (main representatives: Si, Ge, GaAs). The application of semiconductors according to the size and nature of the energy gap. Characterization methods of semiconductors (four point method, the Hall method). Techniques of crystal growth and application of the thin film. Conductors: (basic properties, representatives, thermoelectric effect). Dielectrics (basic properties, relative dielectrical constant). Materials for electronic housing. Optical properties of crystals (absorption and emission processes of light, displays). Magnetic properties of crystals (diamagnetism, paramagnetism, ferromagnetism). Soft and hard magnetic materials. Magnetic devices and applications (magnetic recording, magnetic-optical effect, nuclear magnetic resonance). Properties of superconductors. Application of superconductors (Josephson circuit, high-temperature superconductors) Lectures; Auditory Practice; Laboratory Practice; Consultations
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