Module Details |
| The information contained in this module specification was correct at the time of publication but may be subject to change, either during the session because of unforeseen circumstances, or following review of the module at the end of the session. Queries about the module should be directed to the member of staff with responsibility for the module. |
| Title | MAGNETIC STRUCTURE AND FUNCTION | ||
| Code | PHYS497 | ||
| Coordinator |
Dr LA O'Brien Physics lobrien@liverpool.ac.uk |
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| Year | CATS Level | Semester | CATS Value |
| Session 2020-21 | Level 7 FHEQ | First Semester | 7.5 |
Aims |
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p.MsoNormal, li.MsoNormal, div.MsoNormal{margin-top:0cm;margin-right:0cm;margin-bottom:8.0pt;margin-left:0cm;line-height:107%;font-size:11.0pt;font-family:"Calibri",sans-serif;}.MsoChpDefault{font-size:11.0pt;font-family:"Calibri",sans-serif;}.MsoPapDefault{margin-bottom:8.0pt;line-height:107%;}@page WordSection1{size:612.0pt 792.0pt;margin:72.0pt 72.0pt 72.0pt 72.0pt;}div.WordSection1{page:WordSection1;} To build on the third year module Condensed Matter Physics To develop an understanding of the phenomena and fundamental mechanisms of magnetism in condensed matter |
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Learning Outcomes |
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(LO1) Have a basic understanding of the quantum origin of magnetism and magnetic moments. |
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(LO2) Understand the concept of magnetic order and the role of exchange interactions. |
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(LO3) Be able to identify the properties associated with various types of magnetism. |
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(LO4) Be able to explain the cause of magnetic phenomena such as hysteresis and domain formation. |
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Syllabus |
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p.MsoNormal, li.MsoNormal, div.MsoNormal{margin-top:0cm;margin-right:0cm;margin-bottom:8.0pt;margin-left:0cm;line-height:107%;font-size:11.0pt;font-family:"Calibri",sans-serif;}.MsoChpDefault{font-size:11.0pt;font-family:"Calibri",sans-serif;}.MsoPapDefault{margin-bottom:8.0pt;line-height:107%;}@page WordSection1{size:612.0pt 792.0pt;margin:72.0pt 72.0pt 72.0pt 72.0pt;}div.WordSection1{page:WordSection1;} Atomic structure basis for magnetic moments. Definition of Magnetisation, magnetic susceptibility, diamagnetism, paramagnetism, Brillouin function. Magnetic moments of Rare Earth ions, Transition metal ions. Crystal field, quenching of orbital angular momentum in transition metal ions, Jahn-Teller effect Magnetic ordering, Mean Field Theory, M vs T curve. Types of magnetic order: Ferromagnetism, antiferromagnetism, ferrimagnetism. Exchange interactions: direct exchange, superexchange, RKKY interaction, double exchange Magnetic excitations, magnons Magnetism in metals. Magnetic Anisotropy, domain formation, hysteresis. Measurement of magnetic order: Mossbauer, Neutron diffraction, VSM. Low dimensionality magnetism: magnetic thin films, multilayers, giant magnetoresistance |
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Teaching and Learning Strategies |
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Teaching Method 1 - Lecture Description: Lectures cover core material for the course Teaching Method 2 - Tutorial Description: Discussion of set problems |
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Teaching Schedule |
| Lectures | Seminars | Tutorials | Lab Practicals | Fieldwork Placement | Other | TOTAL | |
| Study Hours |
16 |
2 |
18 | ||||
| Timetable (if known) | |||||||
| Private Study | 57 | ||||||
| TOTAL HOURS | 75 | ||||||
Assessment |
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| EXAM | Duration | Timing (Semester) |
% of final mark |
Resit/resubmission opportunity |
Penalty for late submission |
Notes |
| Assessment 1 Assessment Schedule (When) :1 | 1 1/2 hours | 100 | ||||
| CONTINUOUS | Duration | Timing (Semester) |
% of final mark |
Resit/resubmission opportunity |
Penalty for late submission |
Notes |
Recommended Texts |
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| Reading lists are managed at readinglists.liverpool.ac.uk. Click here to access the reading lists for this module. | |