FUNLAYERS Hands-on workshop on synchrotron techniques for research in Spintronics and Energy Storage

11 Mar 2024, 11:00 → 15 Mar 2024, 16:00 Europe/Madrid

ALBA Synchrotron

Joaquin Fernández-Rossier (INL, FUNLAYERS coordinator), Klaus Attenkofer (ALBA Synchrotron, host) (ALBA Synchrotron)

FUNLAYERS, the Functional Layered Materials for Advanced Applications project, consists of a European initiative aimed at leverage the interdisciplinary scientific excellence and innovation capacity of INL and strengthen partners’ research in the field of layered materials, capturing future opportunities for joint collaboration in R&I.

 

Workshop format

The workshop comprises two parts:

Part 1 (from 11th of March (11:30h) to the 14th of March (13:30h)): Hands-on workshop including lectures and practical sessions at different instruments on state-of-the-art synchrotron radiation techniques enabling advanced characterisation of magnetic and battery materials in multilayered and/or bidimensional form. Namely, i) x-ray spectroscopies (XAS, XMCD, ARPES, EXAFS) in various sample environments (helium temperatures, high magnetic field, voltage and current excitation) with element-specificity and very high sensitivity down to a few percent of an atomic monolayer; ii) related microscopies enabling chemical and magnetic imaging with resolution down to tenths of nanometers (XMCD-PEEM); iii) operando spectroscopies and imaging offering opportunities for the characterisation under operation of multilayered and 2D devices, as well as battery materials. The hands-on workshop is open to ERs, ESRs and students with links to the partners of the FUNLAYERS project as well as other interested researchers. A poster session will also take place for a more direct exchange with experts.

 

Part 2 (from 13th of March (16:30h) to the 15th of March (11:30h)): A platform for debate, where experts give presentations on recent developments and future directions on topics related to layered materials, spintronics and energy storage. A lab tour will be organised to showcase the ALBA Synchrotron experimental research facilities. 

 

 

 

Workshop goals

• To share know-how and the capabilities and facilities of the ALBA Synchrotron in order to prepare the groundwork for collaboration within the project and future collaborations. This will include a focus on advanced synchrotron radiation techniques relevant to research in layered materials as described above.

 

• To discuss partnerships for European Funding Applications related to layered materials, spintronics and energy storage.

 

 

Funded by the European Union, FUNLAYERS twinning project- 101079184. Views and opinions expressed are, however, those of the author(s) only and do not necessarily reflect those of the European Union or the European Research Executive Agency. Neither the European Union nor the granting authority can be held responsible for them.

Program_20240314_FUNLAYERS-WS.pdf

Monday, 11 March

11:30 On-site registration

1 Small and Wide Angle X-ray Scattering for (in situ) characterization of nanostructured materials

Speaker: Marc Malfois (ALBA Synchrotron)

2 XAS and XES as complementary tools: insight in in-situ/operando investigations

Speaker: Laura Simonelli (ALBA Synchrotron)

13:15 Lunch

3 Welcome

Speaker: Klaus Attenkofer (ALBA Synchrotron)

4 Soft X-ray absorption and X-ray magnetic circular dichroism

Speaker: Javier Herrero (ALBA Synchrotron)

5 Photo Emission Electron Microscopy (PEEM) and Low Energy Electron Microscopy (LEEM)

Speaker: Miguel Angel Niño (ALBA Synchrotron)

6 Ambient Pressure XPS: Technique and Applications

Speaker: Virginia Peréz-Dieste (ALBA Synchrotron)

7 The electrochemical NAP-XPS

Speaker: Juan Jesús Velazco Vélez (ALBA Synchrotron)

16:30 Break

8 InCaem: Infrastructure for correlative analysis of advanced energy materials

Speaker: Lucia Aballe (ALBA Synchrotron)

9 Guided tour to ALBA

Speaker: Lucia Aballe (ALBA Synchrotron)

Tuesday, 12 March

10 Group 1: Practicals at BL16-NOTOS

11 Group 2: Practicals at BL29-BOREAS

12 Group 3: Practicals at BL20-LOREA

13:30 Lunch

13 Group 1: Practicals at BL16-NOTOS

14 Group 2: Practicals at BL29-BOREAS

15 Group 3: Practicals at BL20-LOREA

Wednesday, 13 March

16 Group 1: Practicals at BL29-BOREAS

17 Group 2: Practicals at BL20-LOREA

18 Group 3: Practicals at BL16-NOTOS

13:30 Lunch

19 Group 1: Practicals at BL29-BOREAS

20 Group 2: Practicals at BL20-LOREA

21 Group 3: Practicals at BL16-NOTOS

22 Poster session and Networking

20:00 Dinner at Restaurant Capicua for workshop attendees and Invited Speakers

Thursday, 14 March

08:30 On-site registration for Invited Speakers and Partners

23 Welcome message and the ALBA Synchrotron

Speaker: Caterina Biscari (Director of the ALBA Synchrotron)

24 Introduction to the FUNLAERS project

Speaker: Joaquín Fernández-Rossier (Head of the Group of Theory of Quantum Nanostructures at INL)

25 Talk by a partner of the project

Speaker: Stuart Parkin (Director of the Max Planck Institute of Microstructure Physics)

26 Electric Field-Control of the Magnetic Anisotropy in Magnetoelectric Fe/PMN-PT Heterostructures

Speaker: Kristiaan Temst (Head of the Quantum Solid State Physics research unit at KU Leuven)

KTemst_Abstract.pdf

KTemst_bio.pdf

11:00 Group Photo and Break

27 On the X-ray photoelectron spectroscopy analysis of LiNixMnyCozO2 (NMC) battery electrodes

Positive electrodes based on lithium-nickel-manganese-cobalt oxides (NMC materials) have been quite often characterized with XPS to address ageing mechanisms of NMC materials. Unfortunately, complexity of the multi-element systems containing several transition metals with rich photoelectron and Auger electron spectra turns the XPS analysis of the chemical state and elemental composition into a quite challenging task. In this talk I would like to point attention of the community to two common problems in the interpretation of the XPS spectra of the NMC materials: confusion of Ni2p spectra with Auger electron spectra (FKLL) of fluorine from PVdF binder and from decomposition of the electrolyte, when the XPS spectra are acquired with Al Kα X-ray source; 2) ambiguous fitting of the XPS spectral lines with several Lorentzian-Gaussian shapes leads to doubtful assignments of the oxidation states and questionable conclusions on the ageing mechanisms of the electrode materials. In particular, it pertains to quantification of the Ni3+/Ni2+ ratio in the NMC electrodes. In the talk we detail the common mistakes made when analyzing the Ni3+/Ni2+ ratio and then we present a novel approach to quantify Ni3+/Ni2+ ratio by making use of the satellite structure in the Ni2p spectra, which was generally ignored previously. We have shown that the satellite in the Ni2p spectra of the NMC compounds is mainly originated from the Ni2+ species and we use the intensity ratio between Ni2p3/2 main peak and the satellite to estimate Ni3+/Ni2+ ratio. Applying this approach for commercial NMC333, NMC532, NMC622 and NMC811 powder materials we find good correlation with theoretically predicted values for freshly made materials.

Speaker: Alex Bondarchuk (Head of the Advanced Electron Microscopy Facility at INL)

ABondarchuk_Abstract.pdf

ABondarchuk_bio.pdf

28 Flat bands in twisted materials

Speaker: Carmen Rubio Verdú (ICFO, the Institut of Photonic Sciences)

CRubio-Verdu_Abstract_Bio.pdf

29 A twisted view on two-dimensional spintronics

Speaker: Samuel Mañas (Department of Quantum Nanoscience, Delft University of Technology)

SManas_Abstract_Bio.pdf

30 Unlocking New Horizons: Investigating Three-Dimensional Magnetism via Correlative Microscopy

Speaker: Sandra Ruiz Gomez (Max Planck Institute for Chemical Physics of Solids)

SRuizGomez_Abstract_Bio.pdf

31 Quantum nanostructures at atomic scale: From vertical hybrid nanowires to planar nanowire networks and 2DEG/2DHG systems

Speaker: Jordi Arbiol (ICREA Prof, ICN2)

JArbiol_abstract_bio.pdf

13:30 Lunch

32 Round Tables

33 Guided tour to ALBA Instruments and Laboratories for Project Partners and Invited Speakers

17:30 Break

17:45 Transfer to Barcelona and networking

20:00 Dinner at Restaurant Casa Amalia for Project Partners and Invited Speakers

Friday, 15 March

34 Discussions / Drafting of joint projects

11:00 Break

35 FUNLAYERS General Assembly meeting (close sessions)