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The course deals with the theoretical and practical aspects of determination of i) thermodynamic, ii) magnetic and iii) electrical properties of solids.
The lectures are supplemented by laboratory tasks on instruments i) PPMS module CP, DSC Netzsch C404 Pegasus, DSC Perkin-Elmer 8500, DSC TA Q1000, Setaram microDSCIIIa; ii) PPMS module Vibrating Sample Magnetometer (VSM); iii) PPMS module resistivity, ETO (Electrical Transport Option) module.
Last update: Pátková Vlasta (16.11.2018)
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Students will: Understand the principles of calorimetric methods, control different types of calorimeters, evaluate data and their uncertainty. Understand principles of solid magnetism and magnetometry, learn methods of evaluation and interpretation of magnetic properties. Understand the principles of measuring the electrical transport properties of materials. Measurement of resistivity-conductivity (direct method, 4 point method, van der Pauw method) further measurement of the charge and mobility of the charge carriers in different types of materials (insulators, semiconductors, metals, superconductors). Last update: Pátková Vlasta (16.11.2018)
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R: 1) Kemp R.B.: Handbook of Thermal Analysis and Calorimetry, Elsevier, Amsterdam, 1999, ISBN 978-0-444-82085-3 2) Höhne, G.; Hemminger, W.; Flammersheim, H.J.: Differential Scanning Calorimetry, 2nd ed. Springer: Berlin, 2003, ISBN 978-3-662-06710-9 3) Czichos, H.; Saito, T.; Smith, L: Springer Handbook of Materials Measurement Methods, Springer, 2006, ISBN: 978-3-540-20785-6 (Print) 978-3-540-30300-8 (Online) 4) Webster J.G. (editor); Measurement, Instrumentation and Sensors Handbook, CRC Press, Boca Raton, 2014, ISBN: 978-1-4398-4891-3 A: 5) Documentation of individual apparatuses. 6) Instructions for individual laboratory tasks. 7) User support by the manufacturer of PPMS-online system Pharos (Pharos - The Quantum Design Digital Library - https://www.qdusa.com/pharos) Last update: Pátková Vlasta (16.11.2018)
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1. Theoretical basics of calorimetry - thermochemistry and heat transfer. 2. Overview of calorimetric methods and their applications for the study of solids. 3. Heat capacity measurement, experimental data processing, estimation and calculation. 4. Determination of temperature dependence of heat capacity in the low temperature range by thermal pulse calorimetry method (PPMS, Quantum Design). 5. Determination of temperature dependence of heat capacity by DSC method. 6. Determination of relative enthalpies and temperature dependence of heat capacity by the drop calorimetry method (HTC 96, Setaram). 7. Determination of phase diagram of binary system by DSC method (C404 Pegasus, Netzsch). 8. Electrotransport in metals, semiconductors, superconductors and insulators (lecture) 9. Measurement of resistivity-conductivity of materials (direct method, four-point method, van der Pauw method) (lecture) 10. Measurement of temperature dependence of resistivity of selected materials on PPMS system (laboratory work - use of Resistivity module and ETO module). 11. Theoretical Principles of Magnetism - Contributions to Magnetic Moment, Diamagnetism and Paramagnetism (lecture) 12. Theoretical Principles of Magnetism - arrangement of magnetic moments. Principles of Magnetic Torque Measurement (lecture) 13. Measurement of temperature dependence of magnetic susceptibility of selected material on PPMS system (diamagnetism of superconductor, Curie-Weiss and van Vleck paramagnetism) 14. Measurement of magnetizing curves of selected material on PPMS system (saturated ferromagnetic moment and hysteresis, Brillouin function of paramagnetic material) Last update: Pátková Vlasta (16.11.2018)
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web page of the course (uctppms.wordpress.com) Last update: Pátková Vlasta (16.11.2018)
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General and Inorganic Chemistry II, Physics II, Physical chemistry II Last update: Pátková Vlasta (16.11.2018)
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