Neutron Spectroscopy, Nov. 29 - Dec. 3, 2021, online Chalmers University

Course Code:                FFFY005
English Course Title:    Neutron Spectroscopy
Svenskt Kursnamn:      Neutronspektroskopi
Credits:                          3 hp

To register email: jan.swenson@chalmers.se

Educational Level:         Third Cycle
Subject Area:                  Neutron Scattering
Grade Scale:                   Pass/Fail

Learning Outcomes
Inelastic neutron scattering (INS)
Quasielastic neutron scattering (QENS)

Course Main Content
Inelastic and quasielastic neutron scattering.

• Theory
• Spectrometers
• Different types of motions and excitations
• Examples of material studies
• Data corrections and analysis
• Complementary molecular dynamics simulations

Disposition
Theory lectures at Chalmers
20 hours of lectures (10 x 2 hours lectures) + 2 home exercises
Teaching Language: English
Details:
1 week “winter school” at Chalmers with lectures (1.5 p)
Home exercises (1.5 p)

Tentative lecture schedule

1. The scattering law S(Q,w) and related I(Q,t) and G(r,t)
2. Basic theory of inelastic neutron scattering. Different types of excitations.
3. Coherent and incoherent scattering of crystalline and amorphous materials
4. Magnetic scattering
5. Basic theory of quasielastic neutron scattering
6. Different types of motions and how they can be distinguished
7. Different types of neutron spectrometers, including the spin-echo technique
8. Examples of material studies using inelastic and quasielastic neutron scattering
9. Data analysis. Corrections of real experimental data
10. Complementary molecular dynamics simulations

Eligibility/Prerequisites
Primary:          PhD students within SwedNess
Secondary:    Other MSc/PhD students and Postdocs at Swedish/Nordic institutions.

Literature
Lecture notes +

• Quasielastic Neutron Scattering. Principles and Applications in Solid State Chemistry, Biology and Materials Science. By M. Bée, IOP Publishing LtD 1988.
• Introduction to the Theory of Thermal Neutron Scattering. By G. L. Squires, Cambridge University Press 1978.
• Theory of Neutron Scattering from Condensed Matter. By S. W. Lovesey, Oxford Science Publications 1984

Examination & Requirements for final grade
Attendance in at least 80% of the lectures
Pass the two home exercises
Grading Scale: Pass/Fail

Contact
Prof. Jan Swenson                   e-mail: jan.swenson@chalmers.se
Chalmers                                 Phone: +46 – (0)31 – 772 56 80
Department of Physics
Biological Physics

Examiner
Prof. Jan Swenson   
E-mail: jan.swenson@chalmers.se

Lecture schedule
The lectures are held in the PJ lecture room, Origo building, Fysikgården 1 or online via Zoom.

Monday 29 November:
10:00-11:45: The scattering law S(Q,w) and related I(Q,t) and G(r,t)
(Jeff Armstrong, ISIS, via Zoom)
13:15-15:00: Basic theory of inelastic neutron scattering. Different types of excitations
(Petr Cermak,Charles university, Prague).

Tuesday 30 November:
10:00-11.45: Basic theory of quasielastic neutron scattering. (Mona Sarter, ISIS)
14:00-15:45: Magnetic scattering (Diana Lucia Quitero Castro, University of Stavanger)

Wednesday 1 December:
10:00-11:45: Different types of motions and how they can be distinguished
(Victoria Garcia Sakai, ISIS)
13:15-15:00: Different types of neutron spectrometers, including the spin-echo technique (Victoria Garcia Sakai, ISIS)

Thursday 2 December:
10:00-11:45: Coherent and incoherent scattering of crystalline and amorphous materials
(Jan Swenson, Chalmers)
13:15-15:00: Examples of science, where inelastic and quasielastic neutron scattering are useful tools, including a description of the two hands-on experiments at ISIS
(Maths Karlsson, Chalmers)

Friday 3 December:
10:00-11.45: Data analysis. Corrections and analysis of real experimental data
(Tilo Seydel, ILL)
13:15-15:00: Complementary molecular dynamics simulations (Inna Ermilova, Chalmers)