'Lattice sites' diaporamas de présentation

Dr Roger Bennett R.A.Bennett@Reading.ac.uk Rm. 23 Xtn. 8559

Thermal Physics PH2001. Dr Roger Bennett R.A.Bennett@Reading.ac.uk Rm. 23 Xtn. 8559. Lecture 22. Negative Temperature. From our previous derivation we had If n < N/2 then more than half the dipoles are anti-parallel and T becomes negative! What is a negative temperature?

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CONFIGURATIONAL THERMODYNAMICS

CONFIGURATIONAL THERMODYNAMICS. Rafa? Kozubski. Institute of Physics Jagellonian University Krakow, Poland. FOUNDATIONS OF THERMODYNAMICS. Thermodynamic equilibrium 2. Basic parameters and functions: Internal energy U : sum of all types of energies of atoms/molecules

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CONFIGURATIONAL THERMODYNAMICS

CONFIGURATIONAL THERMODYNAMICS. Rafa? Kozubski. Institute of Physics Jagellonian University Krakow, Poland. FOUNDATIONS OF THERMODYNAMICS. Thermodynamic equilibrium 2. Basic parameters and functions: Internal energy U : sum of all types of energies of atoms/molecules

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Lecture 9: Two-Dimensional Defects

Lecture 9: Two-Dimensional Defects. PHYS 430/603 material Laszlo Takacs UMBC Department of Physics. Surface defects that do not violate nearest neighbor coordination. Stacking fault fcc ABCABC AC ABCABCABCABC hcp ABABABAB CA BABABABABA ABABA BCA CACACACACACA

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Statistical Thermodynamics of Defects in Solids

Statistical Thermodynamics of Defects in Solids. May have a perfect crystal at 0 K, but otherwise defects will occur in the structure Important influence on properties Electronic and thermal conduction Mechanical strength Diffusion Colour etc. Exploited in many applications.

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(iii) Non-Stoichiometric Defects

(iii) Non-Stoichiometric Defects

3.83k views • 6 slides