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Molecular magnetism

Program: 
Chemistry
ECTS: 
4
Lecturer: 
Alina Bieńko D.Sc
Type: 
Optional
Level: 
Medium
Lecture
Number of hours: 
1h X 15 weeks = 15 hours (1 semester)
Laboratory
Number of hours: 
1h X 15 weeks = 15 hours (1 semester)
Objective: 

The aim of course is to get acquainted with magnetic phenomena in chemistry, biology from both experimental and theoretical perspectives
Acquired Knowledge:
Student:
• knows the physical basics of molecular magnetism and solid phase and the types of behaviors in magnetic field
• knows the basic parameters determining the type and nature of the magnetic material
• can indicate and describe the characteristics of magnetic materials and their application in industry, technology
• extends knowledge of the scope of magnetochemistry to structural and analytical researches
• knows the structural and geometrical factors determining the strength and type of magnetic interactions
• knows the concept of magnetic long-range order and magnetic superexchange
• knows the computing technology applied to experimental magnetic data conversion
• knows the modern techniques of magnetic measurements
Acquired Skills:
Student:
• can match the conditions enabling the maximum use of magnetic measurement methods for chemical research
• can prepare the sample for measurement in the Gouy and SQUID method
• knows how to analyze the measured values of magnetization in order to determine the characteristic parameters of magnetochemistry
• can find necessary information required for the correct interpretation of the experimental results in the literature and databases
• carry out own interpretation of results obtained and draw structural applications can correlate the results obtained with the crystal structure and literature data
• can indicate the use of physic-chemical parameters of magnets in modern industrial technologies: high-temperature superconductors, magnets, sensors and molecular switches.
• can draw conclusions of their own research and present. Able to develop and present the results of research, writing and oral.
Social competence:
• Student acquires experience in independent and responsible research work; understand the need for continuous training and upgrading professional competence. Can achieve a goal of the task.

Assessment: 

Lecture: monitoring attendance and progress on the course subject matter, written exam or oral, individual presentation on selected issues
Laboratory: - monitoring attendance on the course, making a magnetic measurement using Gouy and SQUID method, writing a class report

Prerequisites: 

Completed the main subjects of 1 year of level II.

Contents: 

Theory of molecular magnetism: definitions and units, magnetization and magnetic susceptibility, diamagnetic and paramagnetic susceptibilities, classification of magnets,   fundamental equations in molecular magnetism , Van Vleck formula, temperature- independent paramagnetism, the Curie Law. Intermolecular interactions. The role of electronic and crystal structures in magnetic properties. High- and low-spin complexes. Zero - Field Splitting Effect. New  molecular materials: ferro- and ferrimagnetic chain compounds, single molecular magnets (SMM), single chain magnets (SCM). Relaxation process. Magnetic long - range ordering in molecular compounds: design of molecular-based magnets. Magnetic compounds   in biological system. Living organism in a strong and weak magnetic fields. Method of magnetic measurements.