Next Generation Multiphysical Models for Crystal Growth Processes

Project Information

NEMOCRYS

Grant agreement ID: 851768

DOI

10.3030/851768

Project closed

EC signature date 18 September 2019

Start date 1 February 2020

End date 31 January 2026

Funded under

• EXCELLENT SCIENCE - European Research Council (ERC)

Total cost

€ 1 499 375,00

EU contribution

€ 1 499 375,00

Coordinated by

FORSCHUNGSVERBUND BERLIN EV
Germany

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Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .

Publications

Peer reviewed articles (16)

Multiphysics simulation of crystal growth with moving boundaries in FEniCS

Author(s): Arved Wintzer, Bilen Emek Abali, Kaspars Dadzis
Published in: Computer Methods in Applied Mechanics and Engineering, Issue 437, 2025, Page(s) 117783, ISSN 0045-7825
Publisher: Elsevier BV
DOI: 10.1016/j.cma.2025.117783

Parametric numerical study of dislocation density distribution in Czochralski-grown germanium crystals

Author(s): Andrejs Sabanskis, Kaspars Dadzis, Kevin-Peter Gradwohl, Arved Wintzer, Wolfram Miller, Uta Juda, R. Radhakrishnan Sumathi, Jānis Virbulis
Published in: Journal of Crystal Growth, Issue 622, 2023, Page(s) 127384, ISSN 0022-0248
Publisher: Elsevier BV
DOI: 10.1016/j.jcrysgro.2023.127384

Validation of a numerical model for Czochralski growth of cesium iodide and calcium fluoride

Author(s): Arved Wintzer, Iason Tsiapkinis, Stefan Püschel, Christo Guguschev, Kaspars Dadzis
Published in: Journal of Crystal Growth, Issue 661, 2025, Page(s) 128155, ISSN 0022-0248
Publisher: Elsevier BV
DOI: 10.1016/j.jcrysgro.2025.128155

Numerical Simulation of Species Segregation and 2D Distribution in the Floating Zone Silicon Crystals

Author(s): Kirils Surovovs, Maksims Surovovs, Andrejs Sabanskis, Jānis Virbulis, Kaspars Dadzis, Robert Menzel, Nikolay Abrosimov
Published in: Crystals, Issue 12, 2024, Page(s) 1718, ISSN 2073-4352
Publisher: Multidisciplinary Digital Publishing Institute (MDPI)
DOI: 10.3390/cryst12121718

Application of laboratory micro X-ray fluorescence devices for X-ray topography

Author(s): Christo Guguschev, Christian Hirschle, Kaspars Dadzis, Albert Kwasniewski, Michael Schulze, Leonard Schellkopf, Carsten Richter
Published in: Journal of Applied Crystallography, Issue 57, 2024, Page(s) 734-740, ISSN 1600-5767
Publisher: International Union of Crystallography (IUCr)
DOI: 10.1107/s1600576724003509

Development and validation of a thermal simulation for the Czochralski crystal growth process using model experiments

Author(s): A. Enders-Seidlitz, J. Pal, K. Dadzis
Published in: Journal of Crystal Growth, Issue 00220248, 2022, ISSN 0022-0248
Publisher: Elsevier BV
DOI: 10.1016/j.jcrysgro.2022.126750

Strain relaxation from annealing of SiGe heterostructures for qubits

Author(s): Yujia Liu, Kevin-Peter Gradwohl, Chen-Hsun Lu, Kaspars Dadzis, Yuji Yamamoto, Lucas Becker, Peter Storck, Thilo Remmele, Torsten Boeck, Carsten Richter, Martin Albrecht
Published in: Journal of Applied Physics, Issue 134, 2023, ISSN 0021-8979
Publisher: American Institute of Physics
DOI: 10.1063/5.0155448

A Coupled Approach to Compute the Dislocation Density Development during Czochralski Growth and Its Application to the Growth of High-Purity Germanium (HPGe)

Author(s): Wolfram Miller, Andrejs Sabanskis, Alexander Gybin, Kevin-P. Gradwohl, Arved Wintzer, Kaspars Dadzis, Jānis Virbulis, Radhakrishnan Sumathi
Published in: Crystals, Issue 13, 2023, Page(s) 1440, ISSN 2073-4352
Publisher: Multidisciplinary Digital Publishing Institute (MDPI)
DOI: 10.3390/cryst13101440

Simulation of Crucible-Free Growth of Monocrystalline Silicon Fibres for Mirror Suspension in Gravitational-Wave Detectors

Author(s): Lucas Vieira, Iryna Buchovska, Iason Tsiapkinis, Arved Wintzer, Kaspars Dadzis, Robert Menzel
Published in: Journal of Crystal Growth, Issue 629, 2023, ISSN 0022-0248
Publisher: Elsevier BV
DOI: 10.2139/ssrn.4608662

Validation of 3D and 2D thermal and electromagnetic models for high-frequency induction heating in crystal growth processes

Author(s): Iason Tsiapkinis, Arved Wintzer, Kaspars Dadzis
Published in: Journal of Crystal Growth, Issue 643, 2024, Page(s) 127800, ISSN 0022-0248
Publisher: Elsevier BV
DOI: 10.1016/j.jcrysgro.2024.127800

Development of an open-source heat and mass transfer model for Floating Zone growth

Author(s): Iason Tsiapkinis, Kaspars Dadzis
Published in: International Journal of Heat and Mass Transfer, Issue 260, 2026, Page(s) 128378, ISSN 0017-9310
Publisher: Pergamon Press Ltd.
DOI: 10.1016/j.ijheatmasstransfer.2026.128378

Optimization of Thermal Stresses During Czochralski Growth of Oxides and Halides

Author(s): Nikolaos Sagias, Andrejs Sabanskis, Kaspars Dadzis
Published in: Crystal Research and Technology, Issue 61, 2026, ISSN 0232-1300
Publisher: Wiley - V C H Verlag GmbbH & Co.
DOI: 10.1002/crat.70061

Flow instability caused by temperature boundary conditions in a model of Czochralski crystal growth

Author(s): I. Grants, J. Pal, I. Tsiapkinis, S. Eckert, G. Gerbeth, D. Raebiger, K. Dadzis
Published in: Physics of Fluids, Issue 37, 2025, ISSN 1070-6631
Publisher: American Institute of Physics
DOI: 10.1063/5.0250371

Model experiments for Czochralski crystal growth processes using inductive and resistive heating

Author(s): A. Enders-Seidlitz, J. Pal, K. Dadzis
Published in: IOP Conf. Series: Materials Science and Engineering, Issue 1757899X, 2022, ISSN 1757-899X
Publisher: IOP Publishing
DOI: 10.1088/1757-899x/1223/1/012003

Application of optical velocity measurements including a novel calibration technique for micron-resolution to investigate the gas flow in a model experiment for crystal growth

Author(s): Florian Bürkle, Maik Förste, Kaspars Dadzis, Iason Tsiapkinis, Olf Pätzold, Alexandros Charitos, Michael Dues, Jürgen Czarske, Lars Büttner
Published in: Flow Measurement and Instrumentation, Issue 88, 2024, Page(s) 102258, ISSN 0955-5986
Publisher: Pergamon Press Ltd.
DOI: 10.1016/j.flowmeasinst.2022.102258

Heating efficiency and energy saving potential of Czochralski crystal growth furnaces

Author(s): Sepehr Foroushani, Arved Wintzer, Frank-Michael Kiessling, Kaspars Dadzis
Published in: Journal of Crystal Growth, Issue 662, 2025, Page(s) 128106, ISSN 0022-0248
Publisher: Elsevier BV
DOI: 10.1016/j.jcrysgro.2025.128106

Other (2)

Czochralski growth of tin crystals as a multi-physical model experiment

Author(s): Dadzis, Kaspars
Published in: 2023
Publisher: arXiv.org
DOI: 10.48550/arxiv.2305.06875

Physical and numerical modeling of Floating Zone crystal growth with induction heating

Author(s): Iason Tsiapkinis, Kaspars Dadzis
Published in: 2026
Publisher: Elsevier BV
DOI: 10.2139/ssrn.5622637

Thesis and dissertations (1)

Validation of multiphysical models for Czochralski crystal growth

Author(s): Arved Wintzer
Published in: 2024
Publisher: TU Berlin
DOI: 10.14279/depositonce-20957

Conference proceedings (1)

IN-SITU MEASUREMENT OF EMISSIVITY IN CRYSTAL GROWTH FURNACES

Author(s): Sepehr Foroushani, A. Wintzer, K. Dadzis
Published in: Proceeding of International Heat Transfer Conference 17, 2023, Page(s) 10, ISBN 978-1-56700-537-0
Publisher: Begellhouse
DOI: 10.1615/ihtc17.380-70