KTH / 26-26 November, 2015

REPORT FROM GiSANS WORKSHOP

BACKGROUND

Grazing-incidence Small-Angle Neutron Scattering (GiSANS) is a state-of-the-art tool to

investigate nano-sized order on surfaces as well as in thin films and multilayers e.g. quantum

structures, magnetic spin order, vortex states in superconducting films, self-organizing block

polymers and biological systems. The goal of this workshop was to provide impetus to the

discussion about the use of the GiSANS technique at KTH in general, but also to initiate a

discussion how to get (KTH in specific and Sweden in general) involved with neutron

instrument development at the upcoming ESS. During the workshop the basics of neutron

scattering is covered as well as the state-of-the-art with respect to GiSANS. Further,

examples of research using the GiSANS technique is presented along with examples of

scientific areas that could potentially benefit from using this method. Finally, the present

developments at ESS and potential for using GiSANS was planned to be discussed (see

below). This workshop received full financial support from the Materials Platform of KTH.

BRIEF SUMMARY OF WORKSHOP

In total we had more than 30 participants at this workshop (a few more than officially

registered, see list below), of which 70% came from KTH (not counting the invited speakers).

A few external participants from Uppsala University and Gothenburg University attended the

meeting. Further, we also had a delegation of invited GiSAS experts mainly from Germany

but also one from ILL in France. Finally, ESS representatives were also invited to our

workshop but unfortunately they were not able to participate at this time.

Invited speaker Prof. Stephan Roth from DESY (now also Adjunct Prof. at KTH)

introduce the potential of GiSAXS and its complementarities with GiSANS.

The workshop was started by a fundamental introduction to neutron scattering (by Martin

Månsson) since many groups at KTH are not experienced in such techniques. The remaining

talks of the first workshop day were all given by experts in both GiSANS and GiSAXS from

Germany and France (see also program below) to highlight the importance of; and the

unique possibilities with, surface scattering techniques. During these talks a lot of interesting

possibilities arose and there were ample discussions both during the afternoon as well as the

following workshop dinner concerning possible projects that could be conducted already

now using the currently available GiSANS instruments in Germany.

The second day of the workshop was initially dedicated to analyzing the possibility for a

scientific case of GiSANS at KTH in specific and Sweden in general. This was indeed a perfect

follow up to the lively discussion initiated already during the previous day. All participants of

the meeting had been asked to prepare a single slide or brief presentation of a scientific

project they are currently conducting and then the floor was open for discussion on how the

GiSAS techniques could possibly contribute to understanding/solving the scientific questions

raised within such topic.

Many participants from a very wide range of scientific areas took the opportunity to discuss

the potential use of surface scattering techniques. From such discussions many promising

ideas were launched and some direct invitations for experimental beamtimes were offered

from GiSANS responsibles in Germany. (Addendum: In fact 6 months after the workshop at least a

couple of GiSANS experiments have indeed been performed as a direct result of these discussions e.g. Prof.

Mark Rutland of KTH).

Discussions with Petter Ström concerning the potential application of GiSAS to

materials science in fusion and plasma physics at KTH.

At the end of the workshop the organizers (Daniel Söderberg and Martin Månsson) sat down

together with representatives from Germany (Peter Müller-Buschbaum, Henrich Frielinghaus,

Moulin Jean-François and Philipp) to discuss a possible roadmap for driving a joint

development project towards a dedicated GiSANS instrument at ESS (instruments 17-23).

From the discussions during the two workshop days it was very clear that a scientific as well

as possible also an industrial case could be made for a Swedish GiSANS instrument at ESS.

From both their scientific background as well as previous involvement in an earlier

instrument proposal to ESS, our German colleagues have stated that they will be very happy

to support us in a new GiSANS proposal to ESS. They could contribute both scientific and

technical expertise for a proposal and if the proposal would be accepted they could foresee

their involvement in both hardware development and manufacturing.

CONCLUSIONS & NEXT STEPS

From these two workshop days it was very evident that internally at KTH there is a broad

interest and clear potential for using GiSANS from a wide range of scientific areas including:

•••• Magnetism and superconductivity

•••• Energy Materials and Technologies

•••• Quantum materials

•••• Spintronics

•••• Surface physics/chemistry

•••• Corrosion Science

•••• Catalysis

•••• Fiber and composite technology

•••• Semiconductor Materials and Technology

•••• Surface Coating

•••• Construction Materials

•••• Plasma Physics

•••• Organic Chemistry

•••• Mechanics and Engineering

•••• Fluid Mechanics

•••• Tribology / Friction and Lubrication

•••• Soft Matter

With this we almost cover all of the present schools at KTH, except the School of

Biotechnology. For the latter we are currently making a general effort to activate the field of

biotechnology and life science to participate in the neutron scattering discussions at KTH. In

addition to the broad scientific fields listed above, such research groups also bring along a

long list of industrial partners that also could benefit from using the GiSANS technique.

These include for instance Toyota Central Research & Development Labs. (TCRDL), SSAB,

Sandvik, Outokumpu, Atlas Copco, Permascand AB, Ljungaverk, AkzoNobel and Stora Enso.

In addition there are several centers and strategic laboratories at KTH that could both

benefit and contribute to a GiSANS development at ESS. Here we would especially like to

mention e.g. the Wallenberg Wood Science Center (WWSC), the Molecules and Materials at

Interfaces Laboratory (2MILab), Science for Life Laboratory (SciLifeLab) as well as Swedish e-

science Research Centre (SeRC). Here the latter could be a very valuable asset for data

analysis, computer modeling etc.

At KTH we have from this workshop concluded and decided the following:

1. There should be an instrument development at ESS driven by Swedish

universities/institutions/industry.

2. There is a clear interest and broad potential use for the GiSANS at KTH

3. We will move ahead with discussion for putting forward a KTH lead proposal

for a dedicated GiSANS instrument at ESS (in collaboration with Germany and

possibly other Swedish universities).

4. We need to discuss with VR etc. concerning funding possibilities (Addendum:

There is a VR call opening in August 2016 concerning funding for instrument planning

projects related to ESS.)

5. Next meeting for further discussions should involve ESS and is planned for

March 2016. (Addendum: ESS representatives were unavailable to join at such time and

the meeting has been postponed to August 2016.)

6. The working name for our dedicated GiSANS instrument is decided to be:

GRAZE

LIST OF PARTICIPANTS

# Name Affiliation e-mail

1 Daniel Söderberg

MAIN ORGANIZER KTH – Mechanics / Fluid Mechanics dansod@kth.se

2 Mats Johansson KTH – Chemistry / Fiber & Polymer matskg@kth.se

3 Shun Yu KTH – Chemistry / Biocomposites shuny@kth.se

4 Mikael Hedenqvist KTH – Chemistry / Fiber & Polymer mikaelhe@kth.se

5 Henrich Frielinghaus * Forschungszentrum Jülich GmbH,

JCNS, 85747 Garching, Germany h.frielinghaus@fz-juelich.de

6 Fredrik Lundell KTH – Mechanics fredrik@mech.kth.se

7 Petter Ström KTH – Fusionsplasmafysik pestro@kth.se

8 Sara Skoglund KTH – Surface & Corrosion Science sarasko@kth.se

9 Moulin Jean-François * Helmholtz Zentrum Geesthacht jean-francois.moulin@hzg.de

10 Fiona Hatton KTH – Chemistry / Coating

Technology hatton@kth.se

11 Oleksandr Kravchenko KTH – Organic Chemistry okr@kth.se

12 Stefano Bonetti Stockholm University stefano.bonetti@fysik.su.se

13 Shirin Nouhi Uppsala University shirin.nouhi@physics.uu.se

14 Vassilios Kapaklis Uppsala University vassilios.kapaklis@physics.uu.se

15 Nadeem Akram COMSATS Institute of Information

Technology drnadeemakram@ciitlahore.edu.pk

16 Martin Månsson

Co-organizer KTH – Materials & Nano Physics condmat@kth.se

17 Philipp Gutfreund * Institut Laue-Langevin (ILL) gutfreund@ill.fr

18 Amir Banuazizi KTH – Materials & Nano Physics ahba@kth.se

19 Mark Rutland KTH – Surface & Corrosion Science mark@kth.se

20 Govind Kumar Prajapati KTH - Applied Physical Chemistry gkpr@kth.se

21 Sunjae Chung KTH – Materials & Nano Physics mcskj1976@gmail.com

22 Gunnar Landgren KTH – Management / Semiconductor

Technology gl@kth.se

23 Azar Sadollahkhani KTH – Nanotechnology & Catalysis azarsk@kth.se

24 Ahmad Awad Gothenburg University ahmad.awad@physics.gu.se

25 Martina Ahlberg University of Gothenburg martina.ahlberg@physics.gu.se

26 Stephan Roth * DESY stephan.roth@desy.de

27 Peter Müller-Buschbaum* TU München muellerb@ph.tum.de

28 Max Wolff * Uppsala University max.wolff@physics.uu.se

* Invited Speakers

Workshop

Program

GiSANS workshop KTH, Stockholm, 26-27 November Grazing-incidence Small-Angle Neutron Scattering (GiSANS) is a state-of-the-art tool to investigate nano-sized order on surfaces as well as in thin films and multilayers e.g. quantum structures, magnetic spin order, self-organizing block polymers and biological systems. The goal of the workshop is to provide impetus to the discussion about the use of the GiSANS technique at KTH and ESS. During the workshop the basics of neutron scattering will be covered as well as the state-of-the-art with respect to GiSANS. Further, examples of research using the GiSANS technique will be presented along with examples of scientific areas that could potentially benefit from using this method. Finally, the present developments at ESS and potential for using GiSANS will be discussed.

The workshop will be held in the Faxén seminar room, Teknikringen 8, Entrance level, please find the directions in the attached map!

For further information please contact: Daniel Söderberg, 08-790 7196 – dansod@kth.se Martin Månsson, 08-790 4094 – condmat@kth.se

Photo: Jann Lipka

2 (4)

Schedule of the workshop

Thursday 26 November

10:00-10:15 Welcome and introduction to the workshop and to KTH

10:15

Session 1

• Research at KTH

• Introduction to neutrons Martin Månsson, KTH

• Advanced morphology characterization based on grazing incidence small angle neutron scattering Peter Müller-Buschbaum, TU München

• Similarities, differences and the potential of GISAS using x-rays and neutron Stephan Roth, DESY

12:30 Lunch

13:30 Session 2

• GISANS at liquid-solid interfaces Max Wolff, Uppsala University

• Dynamics in GISANS geometry Henrich Frielinghaus, JCNS Jülich

• GISANS at Figaro Philipp Gutfreund, ILL Grenoble

• GISANS at REFSANS Jean-Francois Moulin, HZG

Discussion on the way forward with GiSANS at ESS

17:30 End of the day

19:00

Joint dinner

3 (4)

Friday 27 November

09:00 Short presentations from participants on their scientific efforts

• Detailed agenda will be set based on participation

10:30

Group discussion where one experienced GiSANS user could discuss feasibility with inexperienced "future" users

12:00 Wrapping up

12:30 Lunch

4 (4)

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