Veröffenlichungen von Johannes de Boor

    2025

  • Naithani, H.; Müller, E.; de Boor, Johannes
    Uncertainty analysis of microscopic parameters obtained from the single parabolic band modeling of thermoelectric materials
    In: Physical Review Applied, Jg. 24, 2025, Nr. 4, 044085
    DOI (Open Access)
  • Duparchy, Amandine; Naithani, Harshita; Ghosh, Sanyukta; Parzer, Michael; Garmroudi, Fabian; Müller, Eckhard; de Boor, Johannes
    Poorer is better: towards robust, high performance Mg2(Si,Sn) thermoelectric material by avoiding excess Mg
    In: Energy Materials, Jg. 5, 2025, Nr. 10, 500134
    DOI (Open Access)
  • Ryu, Byungki; Foster, Samuel; Choi, Eun-Ae; Park, Sungjin; Chung, Jaywan; de Boor, Johannes; Ziolkowski, Pawel; Müller, Eckhard; Han, Seung Zeon; Park, SuDong; Neophytou, Neophytos
    Asymmetric electronic band alignment and potentially enhanced thermoelectric properties in phase-separated Mg₂X (X = Si,Ge,Sn) alloys
    In: Journal of Applied Physics, Jg. 138, 2025, Nr. 6, 065104
    DOI (Open Access)
  • Duparchy, Amandine; Deshpande, Radhika; Sankhla, Aryan; Ghosh, Sanyukta; Camut, Julia; Park, Sungjin; Park, SuDong; Ryu, Byungki; Mueller, Eckhard; de Boor, Johannes
    Instability Mechanism in Thermoelectric Mg₂(Si,Sn) and the Role of Mg Diffusion at Room Temperature
    In: Small Science, Jg. 5, 2025, Nr. 3, 2300298
    DOI (Open Access)
  • Helt, Amandine; Duparchy, Amandine; Cowley, Aidan; Müller, Eckhard; de Boor, Johannes
    MgCuSb as a suitable electrode for contacting pre-compacted pellets of MgAgSb thermoelectric material
    In: Science and Technology of Advanced Materials, Jg. 26, 2025, Nr. 1, 2506982
    DOI (Open Access)
  • Garmroudi, Fabian; Serhiienko, Illia; Parzer, Michael; Ghosh, Sanyukta; Ziolkowski, Pawel; Oppitz, Gregor; Nguyen, Hieu Duy; Bourgès, Cédric; Hattori, Yuya; Riss, Alexander; Steyrer, Sebastian; Rogl, Gerda; Rogl, Peter; Schafler, Erhard; Kawamoto, Naoyuki; Müller, Eckhard; Bauer, Ernst; de Boor, Johannes; Mori, Takao
    Decoupled charge and heat transport in Fe₂VAl composite thermoelectrics with topological-insulating grain boundary networks
    In: Nature Communications, Jg. 16, 2025, Nr. 1, 2976
    DOI (Open Access)
  • Deshpande, Radhika; Bahrami, Amin; Kreps, Frederic; He, Ran; Ying, Pingjun; Nielsch, Kornelius; Müller, Eckhard; de Boor, Johannes
    On the Origin of Temperature Induced Performance Degradation of Cu-Contacted Mg₂X-Based (X = Si, Sn) Thermoelectric Materials
    In: ACS Applied Materials & Interfaces, Jg. 17, 2025, Nr. 19, S. 28777 – 28788
    DOI (Open Access)
  • Parzer, Michael; Riss, Alexander; Garmroudi, Fabian; de Boor, Johannes; Mori, Takao; Bauer, Ernst
    SeeBand : a highly efficient, interactive tool for analyzing electronic transport data
    In: npj Computational Materials, Jg. 11, 2025, Nr. 1, 171
    DOI (Open Access)
  • Duparchy, Amandine; Kreps, Frederic; Müller, Eckhard; de Boor, Johannes
    Unlocking the Full Potential of MgAgSb by Unravelling the Interrelation of Phase Constitution and Thermoelectric Properties
    In: Advanced Functional Materials, 2025, e10200 , in press
    DOI (Open Access)

    • 2024

  • Agrawal, Bharti; de Boor, Johannes; Dasgupta, Titas
    A multi-band refinement technique for analyzing electronic band structure of thermoelectric materials
    In: Cell Reports Physical Science, Jg. 5, 2024, Nr. 2, 101781
    DOI (Open Access)
  • Agrawal, Bharti; Patel, Tarachand; de Boor, Johannes; Dasgupta, Titas
    Dopant induced band convergence leading to high thermoelectric power factor in Mg₂Sn
    In: Materials Today Physics, Jg. 40, 2024, 101293
    DOI
  • Ayachi, Sahar; Park, Sungjin; Ryu, Byungki; Park, SuDong; Mueller, Eckhard; de Boor, Johannes
    High‐Performance Thermoelectric Devices Made Faster : Interface Design from First Principles Calculations
    In: Advanced Physics Research, Jg. 3, 2024, Nr. 1, 2300077
    DOI (Open Access)
  • Ghosh, Sanyukta; Abdelbaky, Mohamed; Mertin, Wolfgang; Müller, Eckhard; de Boor, Johannes
    Surface Degradation of Mg₂X-Based Composites at Room Temperature : Assessing Grain Boundary and Bulk Diffusion Using Atomic Force Microscopy and Scanning Electron Microscopy
    In: ACS Applied Materials & Interfaces, Jg. 16, 2024, Nr. 36, S. 48619 – 48628
    DOI (Open Access)
  • Deshpande, Radhika; Camut, Julia; Müller, Eckhard; de Boor, Johannes
    Device level assessment of Ni and Ni₄₅Cu₅₅ as electrodes in Mg₂(Si,Sn)-based thermoelectric generators
    In: Materials & Design, Jg. 239, 2024, 112757
    DOI (Open Access)

    • 2023

  • de Boor, Johannes
    Make contact with silver
    In: Nature Energy, Jg. 8, 2023, Nr. 7, S. 647 – 648
    DOI
  • Camut, Julia; Müller, Eckhard; de Boor, Johannes
    Analyzing the Performance of Thermoelectric Generators with Inhomogeneous Legs : Coupled Material–Device Modelling for Mg₂X-Based TEG Prototypes
    In: Energies, Jg. 16, 2023, Nr. 9, 3666
    DOI (Open Access)
  • Wieder, Arthur; Camut, Julia; Duparchy, Amandine; Deshpande, Radhika; Cowley, Aidan; Müller, Eckhard; de Boor, Johannes
    High-performance tellurium-free thermoelectric module for moderate temperatures using α-MgAgSb/Mg₂(Si,Sn)
    In: Materials Today Energy, Jg. 38, 2023, 101420
    DOI
  • Ghosh, Sanyukta; Naithani, Harshita; Ryu, Byungki; Oppitz, Gregor; Müller, Eckhard; de Boor, Johannes
    Towards energy filtering in Mg₂X-based composites : Investigating local carrier concentration and band alignment via SEM/EDX and transient Seebeck microprobe analysis
    In: Materials Today Physics, Jg. 38, 2023, 101244
    DOI (Open Access)
  • Camut, Julia; Ziolkowski, Pawel; Ponnusamy, Prasanna; Stiewe, Christian; Mueller, Eckhard; de Boor, Johannes
    Efficiency Measurement and Modeling of a High-Performance Mg₂(Si,Sn)-Based Thermoelectric Generator
    In: Advanced Engineering Materials, Jg. 25, 2023, Nr. 1, 2200776
    DOI (Open Access)

    • 2022

  • Ponnusamy, Prasanna; Naithani, Harshita; Müller, Eckhard; de Boor, Johannes
    Grading studies for efficient thermoelectric devices using combined 1D material and device modeling
    In: Journal of Applied Physics, Jg. 132, 2022, Nr. 11, 115702
    DOI (Open Access)
  • Deshpande, Radhika; Tumminello, Silvana; Ayachi, Sahar; Mueller, Eckhard; de Boor, Johannes
    Effect of joining temperature on the interconnection zone and electrical resistance of Ag/n-Mg2Si and Ag/n-Mg2Sn contacts
    In: Materials Advances, Jg. 3, 2022, Nr. 13, S. 5418 – 5429
    DOI (Open Access)
  • Duparchy, Amandine; Millerand, Léo; Camut, Julia; Tumminello, Silvana; Kamila, Hasbuna; Deshpande, Radhika; Cowley, Aidan; Mueller, Eckhard; de Boor, Johannes
    Establishing synthesis-composition-property relationships for enhanced and reproducible thermoelectric properties of MgAgSb
    In: Journal of Materials Chemistry A: Materials for Energy and Sustainability, Jg. 10, 2022, Nr. 40, S. 21716 – 21726
    DOI (Open Access)
  • Naithani, Harshita; Müller, E.; de Boor, Johannes
    Developing a two-parabolic band model for thermoelectric transport modelling using Mg2Sn as an example
    In: JPhys Energy, Jg. 4, 2022, Nr. 4, 045002
    DOI (Open Access)
  • Kamila, Hasbuna; Ryu, Byungki; Ayachi, Sahar; Sankhla, Aryan; Mueller, Eckhard; de Boor, Johannes
    Understanding the dopability of p-type Mg2(Si,Sn) by relating hybrid-density functional calculation results to experimental data
    In: JPhys Energy, Jg. 4, 2022, Nr. 3, 035001
    DOI (Open Access)
  • Castillo‐Hernández, Gustavo; Müller, Eckhard; de Boor, Johannes
    Impact of the Dopant Species on the Thermomechanical Material Properties of Thermoelectric Mg2Si0.3Sn0.7
    In: Materials, Jg. 15, 2022, Nr. 3, 779
    DOI (Open Access)

    • 2021

  • Camut, Julia; Ayachi, Sahar; Castillo-Hernández, Gustavo; Park, Sungjin; Ryu, Byungki; Park, Sudong; Frank, Adina; Stiewe, Christian; Müller, Eckhard; de Boor, Johannes
    Overcoming asymmetric contact resistances in al-contacted mg₂(Si,sn) thermoelectric legs
    In: Materials, Jg. 14, 2021, Nr. 22, 6774
    DOI (Open Access)
  • Camut, Julia; Pham, Ngan Hoang; Nhi Truong, D.Y.; Castillo-Hernandez, Gustavo; Farahi, Nader; Yasseri, Mohammad; Mueller, Eckhard; de Boor, Johannes
    Aluminum as promising electrode for Mg₂(Si,Sn)-based thermoelectric devices
    In: Materials Today Energy, Jg. 21, 2021, S. 100718
    DOI, Online Volltext (Open Access)
  • Ponnusamy, Prasanna; Kamila, Hasbuna; Müller, Eckhard; de Boor, Johannes
    Efficiency as a performance metric for material optimization in thermoelectric generators
    In: JPhys Energy, Jg. 3, 2021, Nr. 4, 044006
    DOI (Open Access)
  • Tumminello, Silvana; Ayachi, Sahar; Fries, Suzana G.; Müller, Eckhard; de Boor, Johannes
    Applications of thermodynamic calculations to practical TEG design : Mg2(Si0.3Sn0.7)/Cu interconnections
    In: Journal of Materials Chemistry A: Materials for Energy and Sustainability, Jg. 9, 2021, Nr. 36, S. 20436 – 20452
    DOI, Online Volltext (Open Access)
  • Galwadu Arachchige, Vidushi; Kamila, Hasbuna; Sankhla, Aryan; Millerand, Léo; Tumminello, Silvana; Mitra, Kunal; Yasseri, Mohammad; Müller, Eckhard; de Boor, Johannes
    Optimization of the Thermoelectric Properties of p-Type Mg₂₋ yLi yGe₁₋ ₓSn ₓand Mg₂₋ yLi yGe₁₋ zSi zwith x, z = 0.1 and 0.2
    In: ACS Applied Energy Materials, Jg. 4, 2021, Nr. 6, S. 5533 – 5542
    DOI, Online Volltext (Open Access)
  • Sankhla, Aryan; Kamila, Hasbuna; Naithani, Harshita; Mueller, Eckhard; de Boor, Johannes
    On the role of Mg content in Mg₂(Si,Sn) : Assessing its impact on electronic transport and estimating the phase width by in situ characterization and modelling
    In: Materials Today Physics, Jg. 21, 2021, 100471
    DOI, Online Volltext (Open Access)

    • 2020

  • Ponnusamy, Prasanna; de Boor, Johannes; Müller, Eckhard
    Discrepancy between constant properties model and temperature-dependent material properties for performance estimation of thermoelectric generators
    In: Entropy, Jg. 22, 2020, Nr. 10, S. 1 – 18
    DOI (Open Access)
  • Ponnusamy, Prasanna; de Boor, Johannes; Müller, E.
    Using the constant properties model for accurate performance estimation of thermoelectric generator elements
    In: Applied Energy, Jg. 262, 2020, 114587
    DOI, Online Volltext (Open Access)