PHY404- Solid State Physics II - Ankara Üniversitesi
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PHY404- Solid State Physics II MAGNETISM- PartI Assoc.Prof.Dr.Yeşim MOĞULKOÇ
Transcript of PHY404- Solid State Physics II - Ankara Üniversitesi
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PHY404- Solid State Physics II
MAGNETISM- PartI
Assoc.Prof.Dr. Yeşim MOĞULKOÇ
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Content
� Introduction to magnetism
� Definition of fundamental quantities
� Classification of magnetic materials
� Diamagnetism
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Magnetism
Photo by: National Geographic
Peary's Compass Superconducting Magnet
Northern Lights Black sand
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What is magnetism and what causes magnetism?
Magnetism, phenomenon associated with magnetic fields, which arise from the motion of electric charges.
The magnetic moment of a free atom has three principal sources: 1- The spin 2- Angular momentum 3- Orbital moment
Diamagnetism
Paramagnetism
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Classification of magnetic materials
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Langevin Diamagnetism
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Summary