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Talks

Presentations on lattice dynamics, diffusion and magnetic phenomena uncovered in metallic, semiconductor and insulator thin films, surfaces, interfaces, and nanostructures by advanced synchrotron radiation scattering and spectroscopy methods.

Recent invited talks

Lattice dynamics of thin films and nanostructures from in situ nuclear inelastic scattering supported by ab initio theory

ESRF User meeting, tutorial on nuclear inelastic scattering, Grenoble, France, 02–04 February 2026

Lattice dynamics of thin films and nanostructures from in situ nuclear inelastic scattering and ab initio theory

International Conference on the Applications of the Mössbauer Effect (ICAME 2025), Gdańsk, Poland, 06–12 September 2025

All talks →
Scientific profile

From phonon spectroscopy to nanoscale dynamics

The talks trace the development of the group’s research from Mössbauer spectroscopy and nuclear resonance scattering instrumentation to epitaxial growth and element-specific lattice dynamics of mettalic, semiconducting and insulating thin films, surfaces, interfaces and nanostructures.

ICAME IXS APAC-Silicide SXNS PHONONS ICSM NANO Multis DyProSo ESRF User meetings German Mössbauer Workshops ESRF-EBS Workshops PETRA IV Workshops DGK Annual meetings Nanowire week Workshops on ab initio phonon calculations SNI

Presentations at international conferences and workshops

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2026

2026 25–27 February 2026
talk

Phonons in epitaxial DySi2: from the bulk to self-organized nanoislands and nanowires

German Mössbauer Workshop 2026

RPTU Kaiserslautern, Germany

2026 25–27 February 2026
talk given by Sagar Bisoyi

Lattice dynamics of ultrathin Fe-shells on GaAs-core nanowires: insights from in situ NIS and ab initio theory

German Mössbauer Workshop 2026

RPTU Kaiserslautern, Germany

2026 02–04 February 2026
invited talk

Lattice dynamics of thin films and nanostructures from in situ nuclear inelastic scattering supported by ab initio theory

ESRF User meeting 2026, tutorial on nuclear inelastic scattering

Grenoble, France

2025

2025 06–12 September 2025
invited talk

Lattice dynamics of thin films and nanostructures from in situ nuclear inelastic scattering and ab initio theory

International Conference on the Applications of the Mössbauer Effect (ICAME 2025)

Gdańsk, Poland

2025 06–12 September 2025
poster presented by Sagar Bisoyi

Lattice Dynamics of Ultrathin Fe films on GaAs(001)

International Conference on the Applications of the Mössbauer Effect (ICAME 2025)

Gdańsk, Poland

2024

2024 06–08 June 2024
invited talk

Lattice dynamics of thin films and nanostructures from nuclear inelastic scattering and ab initio theory

German-Japanese symposium on novel applications of the Mössbauer effect

Jena, Germany

2024 13–15 March 2024
invited talk

Lattice dynamics of Cu2ZnSn(Sx,Se1-x)4 thin film solar cells studied by nuclear inelastic scattering

German Mössbauer Workshop

Jena, Germany

2023

2023 03–08 September 2023
talk

Lattice dynamics of ultrathin high-k rare earth sesquioxide films: the case of Eu2O3 on YSZ(001)

International Conference on the Applications of the Mössbauer Effect (ICAME 2023)

Cartagena de Indias, Colombia

2023 4–11 May 2023
invited talk

Phonon confinement and spin-phonon interaction in strained thin EuO films

8th International Conference on Superconductivity and Magnetism (ICSM 2023)

Fethiye, Mugla, Turkey

2022

2022 30 July–01 August 2022
invited talk

Lattice dynamics of iron silicide nanostructures from nuclear inelastic scattering and ab initio theory

The 6th Asia-Pacific Conference on Semiconducting Silicides and Related Materials 2022 (APAC-Silicide 2022)

online event from Osaka University, Japan

2022 27–30 June 2022
keynote talk

Lattice dynamics of thin europium oxide films: from the ferromagnetic semiconductor EuO to the high-k dielectric Eu2O3

Multiscale Phenomena in Condensed Matter (Multis)

online event from the Polish Academy of Sciences, Kraków, Poland

2022 25–29 April 2022
talk given by Jochen Kalt

Lattice dynamics of endotaxial silicide nanowires

Nanowire Week 2022

Chamonix, France

2021

2021 15–18 March 2021
talk

Crystal structure and lattice dynamics of endotaxial FeSi2 nanowires

29th Annual Meeting of the German Crystallographic Society (DGK)

Online event from DESY, Hamburg

2020

2020 04 November 2020
invited talk

Nuclear resonant scattering with nanofocused beam at PETRA IV

PETRA IV Workshop: “Structure of nanomaterials and nanoparticles during growth, in situ and operando conditions”

Online event from DESY, Hamburg

2020 7–9 October 2020
invited talk given by Jochen Kalt

Lattice dynamics of endotaxial silicide nanowires

German Mössbauer Workshop 2020

Online event from Friedrich-Schiller Universität Jena, Germany

2020 26 June 2020
colloquium

Phonon (nano)engineering for sustainable energy future

Fakultät für Physik, Karlsruher Institut für Technologie

KIT, Karlsruhe, Germany

2019

2019 3–6 December 2019
talk given by Jochen Kalt

Lattice dynamics and polarization-dependent phonon damping in alpha-phase FeSi2 nanostructures

5th Workshop on ab initio phonon calculations

Kraków, Poland

2019 3–6 December 2019
invited talk

Phonon confinement and spin-phonon coupling in tensile-strained thin EuO films

5th Workshop on ab initio phonon calculations

Kraków, Poland

2019 09 October 2019
invited seminar

Lattice dynamics of epitaxial strain-free interfaces: New insights into an old problem

Institute for Solid State Physics (IFP) KIT

KIT, Karlsruhe, Germany

2019 01–06 September 2019
invited talk

Lattice dynamics of rare earth silicide nanostructures: films, islands, wires

International Conference on the Applications of the Mössbauer Effect (ICAME 2019)

Dalian, China

2019 23–28 June 2019
invited talk

Lattice dynamics of epitaxial strain-free interfaces

11th International Conference on Inelastic X-ray Scattering (IXS2019)

Stony Brook NY, USA

2019 11–12 March 2019
invited talk

Opportunities in Nanoscale Lattice Dynamics with Nuclear Inelastic Scattering at the ESRF-EBS

EBS Workshop on Nuclear Resonance Scattering

Grenoble, France

2018

2018 17–19 September 2018
talk

Lattice dynamics of ultrathin EuO films and interfaces

German Conference for Research with Synchrotron Radiation, Neutrons and Ion Beams at Large Facilities (SNI 2018)

München, Germany

2018 17–19 September 2018
poster presented by Jochen Kalt

Lattice Dynamics of Epitaxial Strain-Free Interfaces

German Conference for Research with Synchrotron Radiation, Neutrons and Ion Beams at Large Facilities (SNI 2018)

München, Germany

2018 21–22 June 2018
invited talk

Lattice dynamics from in situ nuclear inelastic scattering: towards individual nano objects

Workshop “Thermoelectric Nanomaterials”

Humboldt-Universität, Berlin, Germany

2018 08 May 2018
invited seminar

Phonon nanoengineering for sustainable energy future

University of Potsdam

Potsdam, Germany

2018 14 March 2018
talk given by Jochen Kalt

Confined lattice dynamics in ultrathin Ge/Fe3Si/GaAs heterostructures

DPG Spring Meeting

Berlin, Germany

2017

2017 09–11 October 2017
invited talk

Lattice dynamics of individual nano-objects from in situ nuclear inelastic scattering: towards phonon nanoengineering

PETRA IV Workshop: “Imaging of Surfaces, Interfaces and Nano-objects: local structure, defects and composition”

DESY, Hamburg, Germany

2017 3–8 September 2017
talk

Lattice dynamics of ultrathin EuO films and interfaces

International Conference on the Applications of the Mössbauer Effect (ICAME 2017)

St. Petersburg, Russia

2017 3–8 September 2017
talk given by Jochen Kalt

Lattice dynamics in ultrathin Ge/Fe3Si/GaAs heterostructures

International Conference on the Applications of the Mössbauer Effect (ICAME 2017)

St. Petersburg, Russia

2017 27–31 September 2017
invited talk

Lattice dynamics of rare-earth silicide nanostructures

DyProSo XXXVI conference

Kraków University of Technology, Kraków, Poland

2017 27–31 September 2017
talk given by Jochen Kalt

Confined lattice dynamics in ultrathin Ge/Fe3Si/GaAs heterostructures

DyProSo XXXVI conference

Kraków University of Technology, Kraków, Poland

2016

2016 9–10 September 2016
invited talk

Lattice dynamics and spin-phonon coupling in thin films and nanostructures

Workshop “X-Ray Echo Spectroscopy”

Advanced Photon Source, Argonne, USA

2016 8 March 2016
talk given by Ramu Pradip

Lattice Dynamics of EuO: Evidence for Giant Spin-Phonon Coupling

DPG Spring Meeting

Regensburg, Germany

2015

2015 16 December 2015
invited seminar

Phonons in Rare-Earth Nanoscale Materials

Institute for Solid State Physics (IFP)

KIT, Karlsruhe, Germany

2015 21–23 September 2015
invited talk

Lattice dynamics of ultrathin metal-oxide interfaces

5th International Workshop on Nuclear Resonance Scattering of Synchrotron Radiation: Status, Highlights, Methodology, and Trends

Hamburg, Germany

2015 13–18 September 2015
tutorial lecture

Phonons in Rare-Earth Nanoscale Materials

International Conference on the Applications of the Mössbauer Effect (ICAME 2015)

Hamburg, Germany

2015 27 January 2015
colloquium

Phonons in nanoscale materials: disentangling oxidation, strain and surface phenomena

Colloquium of the Graduate School on “Physics with new coherent radiation sources”, Institute of Laser Physics, University of Hamburg

Hamburg, Germany

2014

2014 3–6 December 2014
invited talk

Lattice dynamics of nanoscale metal-oxide interfaces

4th Workshop on ab initio Phonon Calculations

Kraków, Poland

2014 7–11 July 2014
talk

Phonons in Exotic Europium Nanophases: Disentangling Oxidation, Strain and Surface Phenomena

International Conference on Surface X-Ray and Neutron Scattering (SXNS 13)

Hamburg, Germany

2013

2013 8 November 2013
invited seminar

Phonons in epitaxial films and nanostructures

Freiburg Materials Research Center, University of Freiburg

Germany

2013 1–6 September 2013
talk given by Olga Bauder

Lattice dynamics and hyperfine interactions in fcc europium islands

International Conference on the Applications of the Mossbauer Effect (ICAME 2013)

Opatija, Croatia

2013 1–6 September 2013
talk given by Anja Seiler

Lattice dynamics of epitaxial EuSi2 films and nanoislands

International Conference on the Applications of the Mossbauer Effect (ICAME 2013)

Opatija, Croatia

2012

2012 1–3 November 2012
invited talk

Vibrational dynamics and thermodynamics of nanocrystalline materials

4th National Crystallographic Symposium of the Bulgarian Crystallographic Society

Sofia, Bulgaria

2012 20–21 September 2012
invited talk

Lattice dynamics of lanthanides: insights from in situ nuclear inelastic scattering and first principles calculations

Phonons in crystals and nanomaterials — progress in modeling and experimental techniques

Kraków, Poland

2012 8–12 July 2012
talk

Vibrational dynamics and thermodynamics of nanocrystalline materials

International Conference on Phonon Scattering in Condensed Matter (PHONONS 2012)

Ann Arbor, MI USA

2012 08 June 2012
invited seminar

Lattice dynamics of epitaxial films and nanostructures from in situ nuclear inelastic scattering

Faculty of Physics, TU Kaiserslautern

Kaiserslautern, Germany

2012 22–23 March 2012
talk

Structure and lattice dynamics of epitaxial samarium and europium films

Workshop Sciences with Photons, Neutrons & Ions

Berlin, Germany

2012 15 March 2012
invited seminar

Interplay between structure and lattice dynamics in epitaxial rare earth films

Peter Grünberg Institut, Forschungszentrum Jülich

Germany

2012 26–29 February 2012
invited talk

Lattice dynamics of lanthanides: insights from in situ nuclear inelastic scattering and first principles calculations

498th Wilhelm and Else Heraeus Seminar “Progress in Nuclear Resonance Scattering: from Methods to Materials”

Physik-Zentrum Bad Honnef, Germany

2011

2011 13–17 June 2011
invited talk

Vibrational dynamics and thermodynamics of nanocrystalline materials

7th Seeheim Workshop on Mössbauer Spectroscopy

Frankfurt, Germany

2011 31 January–04 February 2011
invited lecture

Nuclear resonance with synchrotron radiation

Winter School of Synchrotron Radiation

Liptovsky Jan, Slovakia

2010

2010 11–14 October 2010
invited talk

Surface density of phonon states from in situ nuclear inelastic scattering

7th International Conference on Inelastic X-ray Scattering

Grenoble, France

2010 07–08 October 2010
invited talk

Dynamics and magnetism in thin rare earth films

2nd Joined ANKA/KNMF User Meeting

Karlsruhe, Germany

2009

2009 19–21 July 2009
invited talk

Phonons in Iron monolayers

International Conference on the Applications of the Mössbauer Effect (ICAME 2009)

Vienna, Austria

2008

2008 3–5 September 2008
invited talk

Atomic dynamics at the nano scale

Workshop “New opportunities and challenges for liquid and amorphous materials science”

Grenoble, France

2008 1–6 June 2008
talk

Vibrational properties of nanograins and interfaces in nanocrystalline materials

9th International Conference on Nanostructured Materials

Rio de Janairo, Brazil

2008 26 May 2008
invited seminar

Nuclear inelastic scattering: a precise tool for probing the atomic vibrations in solids

HASYLAB at DESY

Hamburg, Germany

2008 08 May 2008
invited seminar

Magnetic and dynamic properties of thin iron films and nanostructures

Institute for synchrotron radiation at the Forschungszentrum Karlsruhe

Germany

2007

2007 06–08 December 2007
invited talk

Lattice dynamics of Sm and Eu metallic films by nuclear inelastic scattering of synchrotron radiation and first principles calculations

2nd Workshop on ab initio phonon calculations

Kraków, Poland

2006

2006 08 February 2006
invited talk

Vibrational Density of States in Thin Fe films on W(110) Measured by Nuclear Inelastic Scattering of Synchrotron Radiation

2006 User Meeting of the ESRF

Grenoble, France

2005

2005 17 November 2005
invited seminar

UHV Surface Science at the Nuclear Resonance beamline at the ESRF

HASYLAB at DESY

Hamburg, Germany

2005 5–9 September 2005
poster

UHV Surface Science at the Nuclear Resonance beamline at the ESRF

International Conference on the Applications of the Mössbauer Effect (ICAME 2005)

Montpellier, France

2005 30 January–02 February 2005
talk

An UHV System for Study of Nanoscale Materials by Nuclear Resonance Scattering of Synchrotron Radiation

Workshop on Dynamics in Nanoscale Systems

Raach, Austria

2004

2004 24–26 March 2004
talk

Instrumentation and UHV Sample Environment at the Nuclear Resonance Group, ESRF

European Workshop on Nuclear Resonance Scattering for the Study of Nanoscale Structures

Grenoble, France

2002

2002 19–21 November 2002
invited seminar

Mössbauer absorption spectroscopy on guanidinium nitroprusside single crystal (CN3H6)2[Fe(CN)5NO], (GNP)

Institute for Material Science, University of Vienna

Austria

2002 21–23 October 2002
invited seminar

Mössbauer absorption spectroscopy on guanidinium nitroprusside single crystal (CN3H6)2[Fe(CN)5NO], (GNP)

European Synchrotron Radiation Facility (ESRF)

Grenoble, France

2002 21–25 May 2002
invited talk

Photoswitching of Nitroprussides

5th Seeheim Workshop on Mössbauer Spectroscopy

Lufthansa Training Center, Seeheim, Germany

2001

2001 8–12 September 2001
talk

Mössbauer Investigations of the Single Crystal and Powder Sample of Barium Nitroprusside (Ba[Fe(CN)5NO]·3H2O (BNP)

International Conference on the Applications of the Mössbauer Effect (ICAME 2001)

Oxford, UK

2000

2000 22–25 August 2000
talk

Nuclear Electric Field Gradient and Mean Square Displacement Tensors of the Iron Sites in Guanidinium Nitroprusside

4th General Conference of the Balkan Physics Union

Veliko Turnovo, Bulgaria

1999

1999 17 December 1999
talk

Line width of single-crystal Mössbauer absorption

The Meeting of Young Researchers in Physics, dedicated to the 110th Anniversary of the Faculty of Physics

Sofia, Bulgaria

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