PHY404- Solid State Physics II - Ankara Üniversitesi
15
PHY404- Solid State Physics II MAGNETISM- PartI Assoc.Prof.Dr.Yeşim MOĞULKOÇ
Transcript of PHY404- Solid State Physics II - Ankara Üniversitesi
PHY404- Solid State Physics II
MAGNETISM- PartI
Assoc.Prof.Dr. Yeşim MOĞULKOÇ
Content
� Introduction to magnetism
� Definition of fundamental quantities
� Classification of magnetic materials
� Diamagnetism
Magnetism
Photo by: National Geographic
Peary's Compass Superconducting Magnet
Northern Lights Black sand
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
Classification of magnetic materials
Langevin Diamagnetism
Summary