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Imants Dirba

Technical University of Darmstadt - Institute of Materials Science

SCHOLARLY PAPERS

8

DOWNLOADS

741

TOTAL CITATIONS

4

Scholarly Papers (8)

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1.

Grain Boundary Infiltration in Hddr Processed Nd2fe14b Magnets

Number of pages: 23 Posted: 04 May 2022
Imants Dirba, Prudhvi Pattur, Ivan Soldatov, Esmaeil Adabifiroozjaei, Leopoldo Molina-Luna and Oliver Gutfleisch
Technical University of Darmstadt - Institute of Materials Science, affiliation not provided to SSRN, Leibniz Institute for Solid State and Materials Research Dresden, Technical University of Darmstadt - Advanced Electron Microscopy (AEM), Technical University of Darmstadt - Department of Materials and Earth Sciences and Technical University of Darmstadt - Functional Materials
Downloads 148 (500,001)
Citation 2

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Nd2Fe14B, grain boundary diffusion, coercivity, HDDR, infiltration by low melting eutectics

2.

Magnetic Properties and Microstructure of Sm 5Fe 17-Based Composite Magnets

Number of pages: 36 Posted: 13 Jan 2021
Imants Dirba, Hossein Sepehri-Amin, Konstantin Skokov, Yurii Skourski, Kazuhiro Hono and Oliver Gutfleisch
Technical University of Darmstadt - Institute of Materials Science, National Institute for Materials Science - Elements Strategy Initiative Center for Magnetic Materials, Technical University of Darmstadt - Institute of Materials Science, Helmholtz-Zentrum Dresden-Rossendorf - Dresden High Magnetic Field Laboratory (HLD-EMFL), National Institute for Materials Science - Elements Strategy Initiative Center for Magnetic Materials (ESICMM) and Technical University of Darmstadt - Functional Materials
Downloads 146 (505,974)

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Sm5Fe17; Permanent magnets; Nanocomposite magnets; Coercive force; Nd5Fe17

3.

Evaluation of Fe-Nitrides, -Borides and -Carbides for Enhanced Magnetic Fluid Hyperthermia

Number of pages: 35 Posted: 03 Jan 2022 Last Revised: 21 Mar 2023
Imants Dirba, Caroline Karina Chandra, Yevhen Ablets, Jaroslav Kohout, Tomáš Kmječ, Ondřej Kaman and Oliver Gutfleisch
Technical University of Darmstadt - Institute of Materials Science, Technical University of Darmstadt, Technical University of Darmstadt - Mechanics of Functional Materials, Charles University in Prague - Faculty of Mathematics and Physics, Charles University in Prague - Faculty of Mathematics and Physics, Czech Academy of Sciences - Institute of Physics and Technical University of Darmstadt - Functional Materials
Downloads 101 (684,672)

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Magnetic Fluid Hyperthermia, Iron Nitrides, Iron Borides, Iron Carbides, Iron Oxides, Mössbauer Spectroscopy

4.

Towards Maximum Utilization of Heavy Rare Earths in Sintered Nd-Fe-B Magnets

Number of pages: 18 Posted: 24 Dec 2024
Abdullatif Durgun, Dominik Ohmer, Matthias Katter, Andreas Thul, Hossein Sepehri-Amin, Oliver Gutfleisch and Imants Dirba
Technical University of Darmstadt, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, National Institute for Materials Science - Elements Strategy Initiative Center for Magnetic Materials, Technical University of Darmstadt - Functional Materials and Technical University of Darmstadt - Institute of Materials Science
Downloads 99 (699,467)
Citation 2

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magnets, NdFeB, rare earth, diffusion, critical materials, terbium

5.

The Premartensite and Martensite in Fe 50Rh 50 System

Number of pages: 21 Posted: 15 Jun 2023
Esmaeil Adabifiroozjaei, Fernando Maccari, Lukas Schäfer, Tianshu Jiang, Oscar Recalde-Benitez, Alisa Chirkova, Navid Shayanfar, Imants Dirba, Nagaarjhuna A. Kani, Olga Shuleshova, Robert Winkler, Alexander Zintler, Ziyuan Rao, Lukas Pfeuffer, András Kovács, Rafal E. Dunin-Borkowski, Konstantin Skokov, Baptiste Gault, Markus Gruner, Oliver Gutfleisch and Leopoldo Molina-Luna
Technical University of Darmstadt - Advanced Electron Microscopy (AEM), Technical University of Darmstadt - Institute of Materials Science, Technical University of Darmstadt - Institute of Materials Science, Technical University of Darmstadt - Advanced Electron Microscopy (AEM), Technical University of Darmstadt - Advanced Electron Microscopy (AEM), Technical University of Darmstadt - Institute of Materials Science, Technical University of Darmstadt - Institute of Materials Science, Technical University of Darmstadt - Institute of Materials Science, Technical University of Darmstadt - Advanced Electron Microscopy (AEM), Leibniz Institute for Solid State and Materials Research (IFW), Technical University of Darmstadt - Advanced Electron Microscopy (AEM), Technical University of Darmstadt - Institute of Materials Science, Max Planck Institute for Iron Research, Technical University of Darmstadt - Institute of Materials Science, Forschungszentrum Jülich GmbH - Ernst-Ruska Centre for Microscopy and Spectroscopy with Electrons, Forschungszentrum Jülich GmbH - Ernst-Ruska Centre for Microscopy and Spectroscopy with Electrons, Technical University of Darmstadt - Institute of Materials Science, Max Planck Institute for Sustainable Materials, University of Duisburg-Essen - CeNIDE (Center for Nanointegration Duisburg-Essen), Technical University of Darmstadt - Functional Materials and Technical University of Darmstadt - Advanced Electron Microscopy (AEM)
Downloads 91 (736,406)

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Fe50Rh50, Martensitic transformation, Premartensite, Atomic Shuffling, External Stress

6.

Combining Grain Boundary Diffusion and Segmentation: A Novel Production Route for Resource-Efficient Nd–Fe–B Magnets

Number of pages: 14 Posted: 08 Dec 2025
Abdullatif Durgun, Imants Dirba, Konrad Opelt and See PDF
Technical University of Darmstadt, Technical University of Darmstadt - Institute of Materials Science, Fraunhofer-Research Institution Materials Recycling and Resource Strategies IWKS and Please see PDF for full list of authors & affiliations
Downloads 59 (970,490)

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permanent magnets, Nd-Fe-B, grain boundary diffusion, rare earth elements, coercivity

7.

Grain Size and Coercivity Tuning in Nd2fe14b-Based Magnets Prepared by High Pressure Hydrogen Milling

Number of pages: 15 Posted: 02 May 2023
Imants Dirba, Ashwath Aravindhan, Muhammad Muneeb and Oliver Gutfleisch
Technical University of Darmstadt - Institute of Materials Science, affiliation not provided to SSRN, affiliation not provided to SSRN and Technical University of Darmstadt - Functional Materials
Downloads 49 (1,074,648)

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Nd2Fe14B, Coercivity, Grain size, permanent magnets, Hydrogen, Milling

8.

Optimizing a" -Fe16N2 as Permanent Magnets via Alloying

Number of pages: 15 Posted: 26 Aug 2025
Bo Zhao, Ruiwen Xie, Imants Dirba, Lambert Alff, Oliver Gutfleisch and Hongbin Zhang
Technical University of Darmstadt - Institute of Materials Science, Technical University of Darmstadt - Institute of Materials Science, Technical University of Darmstadt - Institute of Materials Science, Technical University of Darmstadt - Institute of Materials Science, Technical University of Darmstadt - Functional Materials and Technical University of Darmstadt - Institute of Materials Science
Downloads 48 (1,086,013)

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Rare-earth-free permanent magnets, First-principles alloy screening, Magnetocrystalline anisotropy, Iron nitrides (a" -Fe16N2)