Agenda

Magnetic Structure Determination from Neutron Diffraction Data, July 22-25, 2024

KSU Event Center (Kennesaw State University 3333 Busbee Drive MD#3301 Kennesaw GA 30144)

Monday July 22, 2024 [KSU Event Center, Room #300]

Time

Event

Presenter

8:30 – 9:00am

Registration / Breakfast

 

9:00 – 9:30am

Welcome and workshop overview

Vishnu Suppiramaniam (KSU)

9:30-10:30am

Overview of ORNL neutron facilities and instruments

Clarina dela Cruz

10:30 – 10:45am

 Break 

 

10:45 -11:15 

Proposal writing for neutron beamtime at ORNL

Clarina dela Cruz

11:15 – 12:30

Neutron scattering as a tool for magnetic structure determination (Magnetic structure factors, form factors, k-vector & experimental techniques) 

William Ratcliff

12:30– 1:30 pm

Working LUNCH: Overview of software tools for magnetic diffraction

Ovi Garlea

1:30 – 2:30 pm

Magnetic symmetry-based modeling of magnetic structures

J. Manuel Perez-Mato

2:30 – 3:45pm

Representation theory in magnetic Structure Analysis/

Representation theory vs Magnetic Space group approach.

Branton Campbell

3:45 – 4:00pm

 Break 

 

4:00 – 5:15 pm

Hands on demonstration of Bilbao Crystallographic server: MAXMAGN, MVISUALIZE, k-SUBGROUPSMAG, MAGNDATA database etc

J. Manuel Perez-Mato

5:15 – 6:15 pm

Introduction to Fullprof / 
Example of Fullprof refinement of commensurate structure from CW powder diffraction data -part 1 (refining crystal structure)

Stuart Calder

 

 

 

 

 

Tuesday July 23, 2024 [KSU Event Center, Room #242]

Time

Event

Presenter

8:30 – 9:00 am

Breakfast snack /Questions from previous day

Everyone

9:00 – 10:00 am

Hands-on example of Fullprof refinement of commensurate structure from CW powder diffraction data [Fullprof/Bilbao Magnetic Space Groups] -part 2

Stuart Calder

10:00 – 10:15 am

Break

 

10:15 -11:30 pm

Hands-on example: Fullprof refinement of commensurate structure from TOF data (Fullprof/ magnetic space group approach (BCS))

Qiang Zhang

11:30 – 12:00 pm

Multi-k magnetic structures from powder data -part1 

Ovi Garlea

12:00 – 1:00 pm

Working LUNCH (Lightning science talks)

 

1:00 – 1:45 pm

Multi-k magnetic structures from powder data - part 2

Ovi Garlea

1:45 – 3:00 pm

Hands-on example: Fullprof refinement of single crystal data (commensurate structure with magnetic space group approach)

Huibo Cao

3:00 – 3:30 pm

Multi- magnetic domains and multi-k magnetic structure in fitting single-crystal data

Huibo Cao

3:30–3:45 pm

 Break

 

3:45 – 5:15 pm

Introduction to ISOTROPY and hands-on examples

Branton Campbell

5:15–5:45pm

Demonstration: AMPLIMODES refinement with Fullprof

[Fullprof & isotropy]

Ovi Garlea

5.45 – 6.00pm

Student questions from the day

EVERYONE

 

 

Wednesday July 24, 2024 [KSU Event Center, Room #242]

Time

Event

Presenter

8:30 – 9:00 am

Breakfast snack / Questions from previous day

Everyone

9:00 – 10:30 am

Hands-on example: Example of Fullprof refinement of commensurate structures from CW powder diffraction data [Fullprof & SARAh]

Stuart Calder

10:30 -10:45 am

BREAK

 

10:45 am -12:00

Symmetry of incommensurate magnetic structures: magnetic superspace groups/ Isotropy examples

Branton Campbell

12:00 -1:00pm

LUNCH (Sample environments available on diffraction instruments)

Stuart Calder

1:00 – 2:30

Fullprof incommensurate structure from powder data (superspace group)

Ovi Garlea

2:30 – 4:00 pm

Hands-on example: Fullprof refinement for incommensurate magnetic structures from CW powder data (basis vectors/irreps)

Ovi Garlea

4:00 – 4:15 pm

Break

 

4:15 – 5:45 pm

Fullprof refinement of single crystal data (incommensurate structure with irrep approach)

Huibo Cao

5.45 – 6.00pm

Student questions from the day

EVERYONE

 

 

Thursday July 25, 2024 [KSU Event Center, Room #242]

Time

Event

Presenter

8:30 – 9 am

Breakfast snack / Questions from previous day

Everyone

9:00 – 9:45 am

Fullprof: Future developments. Questions and discussions

Juan Rodríguez-Carvajal

9:45 – 10:45 am

How to report magnetic structures in publications and submit mcif files to MAGNDATA (tutorial)

J. Manuel Perez-Mato

10:45 – 11:00 am

Break

 

11:00 – 12:00 am

Prepare a mcif files from a publication on your own (groups working independently on examples of published structures) – part1

J. Manuel Perez-Mato /Everyone

12:00 – 12:45 pm

Working Lunch (mCIF and MAGNDATA discussion)

 

12:45 – 1:15 pm

Prepare a mcif file from a publication on your own (groups working independently on examples of published structures)- part2 

J. Manuel Perez-Mato /Everyone

1:15 – 2:00 pm

Introduction to GSAS-II/ Magnetic structure in GSAS-II & k-search

Yuanpeng Zhang

2:00 – 3:30pm

Example of GSAS-II refinement of magnetic structure from CW powder data

Keith Taddei

3:30 - 3:45 pm

Break

 

3:45 – 5:15pm

Example of GSAS-II refinement of magnetic structure from TOF data

Qiang Zhang

5:15–5:30pm

CLOSEOUT: Questions and discussion

EVERYONE