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Magnetic Atoms and Molecules in material science, chemistry and biochemistry

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Magnetic Atoms and Molecules in material science, chemistry and biochemistry

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Academic year 2021/2022

Course ID
CHI0141
Teacher
Enrico Salvadori (Lecturer)
Degree course
Scienza dei Materiali [LM-53]
Year
2nd year
Teaching period
First semester
Type
Optional
Credits/Recognition
4
Course disciplinary sector (SSD)
CHIM/03 - chimica generale e inorganica
Delivery
Class Lecture
Language
English
Attendance
Optional
Type of examination
Oral
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Sommario del corso

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Course objectives

The aim of the course is to provide an introduction to magnetic phenomena in molecular and solid state systems of inorganic and bioinorganic nature. Emphasis is given on the design and study of magnetic molecules and materials with tunable properties and on their chemical reactivity. Topics include classical versus quantum mechanical pictures, paramagnetism, crystal field effects, dipolar and exchange interactions, spin chemistry and spintronics.

upload_Coronavirus-2019-nCoV-CDC-23312_without_background.png EMERGENCY MEASURES DUE TO COVID-19: Course objectives unchanged

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Results of learning outcomes

Physical basis of molecular magnetism. Magnetic centers in solids.

Principles of Electron Magnetic Resonance spectroscopy

Magnetic interactions: dependence on the chemical, structural and geometrical parameters of a magnetic centre.

Modern techniques of magnetic measurements.

upload_Coronavirus-2019-nCoV-CDC-23312_without_background.png EMERGENCY MEASURES DUE TO COVID-19: Results of learning outcomes unchanged

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Course delivery

The course will be taught in English.

Classes will be available in streaming at: https://unito.webex.com/meet/enrico.salvadori

upload_Coronavirus-2019-nCoV-CDC-23312_without_background.png EMERGENCY MEASURES DUE TO COVID-19: The course will be delivered via remote lectures held on the Webex platform

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Learning assessment methods

The final examination will consist of an oral examination based on a 15 min presentation by the student of a case study chosen among those provided on the web page of the course

upload_Coronavirus-2019-nCoV-CDC-23312_without_background.png EMERGENCY MEASURES DUE TO COVID-19: The oral exam will be held remotely on the   Webex platform

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Program

Magnetism of atoms, ions and molecules.

Brief review of free atoms (and ions) magnetism: angular momentum theory; atomic terms; spin-orbit coupling; atomic multiplets; Hund’s rule magnetism; Zeeman effect. Spin Hamiltonian formalism.

From magnetic atoms to magnetic molecules and magnetic centers in solids.  Review of crystal field and ligand field theories.

- Magnetic anisotropy and paramagnetic systems; Doublet states (S=1/2) and high spin states (S>1). Spin-orbit (g), hyperfine (A) and zero field splitting (D) interactions.

-Magnetic susceptibility, EPR spectroscopy, relaxation phenomena.

-Magnetic properties of open-shell systems in single crystal and polycrystalline matrices. Magnetic systems and related phenomena in biochemistry.

-Chemical reactivity and magnetism (spin cross-over, spin chemistry)

Selected example of applications (chemistry, photochemistry,  biochemistry,  material science, solid state physics, catalysis and photocatalysis).

upload_Coronavirus-2019-nCoV-CDC-23312_without_background.png EMERGENCY MEASURES DUE TO COVID-19: Programme unchanged

Suggested readings and bibliography

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Selected texts will be provided to the students.



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Class schedule

Lessons: dal 04/10/2021 to 04/02/2022

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Note

Classes will be available in streaming at: https://unito.webex.com/meet/enrico.salvadori

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Last update: 14/10/2021 16:53
Location: https://www.materials-science.unito.it/robots.html
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