Talks

2026

2026 31 August–04 September 2026

invited talk

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

39th European Conference on Surface Science (ECOSS 2026)

Oslo, Norway

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(S_x,Se_1-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

498^th 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

7^th 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

7^th International Conference on Inelastic X-ray Scattering

Grenoble, France

2010 07–08 October 2010

invited talk

Dynamics and magnetism in thin rare earth films

2^nd 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

9^th 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

2^nd 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

5^th 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

4^th 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 110^th Anniversary of the Faculty of Physics

Sofia, Bulgaria