Henrik Bradtmüller

Henrik Bradtmüller

Materials Scientist and solid-state NMR enthusiast.

Publications

To download a pre-print version of each article, click on the article’s title and see below.

You can also find my articles on my Google Scholar profile.

Structure of amorphous materials in the NASICON system Na1+xTi2SixP3−xO12

Published in Journal of Physics: Condensed Matter, 2023

This paper reports the structure of glasses in the sodium (Na) super-ionic conductor system Na1+xTi2SixP3−xO12”.

Recommended citation: Rita Mendes Da Silva, Anita Zeidler, Henrik Bradtmüller, Hellmut Eckert, Henry E Fischer, Chris J Benmore and Philip S Salmon, "Structure of amorphous materials in the NASICON system Na1+xTi2SixP3−xO12", Journal of Physics: Condensed Matter, 2023, 35, 274002. https://doi.org/10.1088/1361-648X/acc8af

Microstructural Properties and in vitro Dissolution of Microporous Bioactive 13-93B3 Glass Powders Synthesized via Solution Combustion Synthesis

Published in Journal of Non-Crystalline Solids, 2023

This paper reports on the microstructure of 1393B3 glasses, produced by solution combustion synthesis.

Recommended citation: Negar Akrami, Mehrnoosh Ghanad Philipp Keil, Henrik Bradtmüller, Michael Ryan Hansen, Saeid Kargozar, Jalil Vahdati Khaki, Sahar Mollazadeh Beidokhti, "Structure of amorphous materials in the NASICON system Na1+xTi2SixP3−xO12", Journal of Non-Crystalline Solids, 2023, 615, 122425. https://doi.org/10.1016/j.jnoncrysol.2023.122425

Single-step solution combustion synthesis of porous 1393-B3 glass powders and structural characterization via solid-state NMR spectroscopy

Published in Ceramics International, 2023

This paper reports the synthesis of 1393-B3 borate-based bioactive glasses with mesoporosity using solution combustion synthesis.

Recommended citation: Mehrnoosh Ghanad, Negar Akrami, Philipp Keil, Henrik Bradtmüller*, Michael Ryan Hansen, Jalil Vahdati Khaki, Sahar Mollazadeh Beidokhti*, "Single-step solution combustion synthesis of porous 1393-B3 glass powders and structural characterization via solid-state NMR spectroscopy", Ceramics International, 2023, 49, 14689–14701. https://doi.org/10.1016/j.ceramint.2023.01.061

Niobium incorporation into rare-earth doped aluminophosphate glasses: Structural characterization, optical properties, and luminescence

Published in Ceramics International, 2023

This paper reports the synthesis and characterization of luminescent Rare Earth (RE3+) doped phosphate glasses.

Recommended citation: Jose Henrique Faleiro, Noelio O. Dantas, Anielle C.A. Silva, Helliomar P. Barbosa, Bruno H. S.T. da Silva, Karmel de O. Lima, Guilherme de Freitas Silva, Rogeria Rocha Gonçalves, Rodrigo Falci , Youn`es Messadeq, Isabela Dias de Oliveira Branco, Bianca M. Cerrutti, Henrik Bradtmüller, Hellmut Eckert, Jefferson Luis Ferrari, "Niobium incorporation into rare-earth doped aluminophosphate glasses: Structural characterization, optical properties, and luminescence", Ceramics International, 2023, 605, 122173. https://doi.org/10.1016/j.jnoncrysol.2023.122173

Highly porous niobium-containing silica glasses applied to the microwave-assisted conversion of fructose into HMF

Published in Catalysis Communications, 2023

This paper reports the effects of Nb dispersion in mesoporous silica-based materials on the conversion of fructose into HMF.

Recommended citation: Maria J.F. Costa, Alexandre A.S. Gonçalves, Roberto Rinaldi, Henrik Bradtmüller, Hellmut Eckert, Eduardo B. Ferreira, "Highly porous niobium-containing silica glasses applied to the microwave-assisted conversion of fructose into HMF", Catalysis Communications, 2023, 174, 106577. https://doi.org/10.1016/j.catcom.2022.106577

Structural rearrangements during sub-Tg relaxation and nucleation in lithium disilicate glass revealed by a solid-state NMR and MD strategy

Published in Acta Materialia, 2022

This paper reports the structural rearrangements during glass relxataion, nucleation, and crystallization.

Recommended citation: Henrik Bradtmüller, Anuraag Gaddam, Hellmut Eckert, Edgar Dutra Zanotto, "Structural rearrangements during sub-Tg relaxation and nucleation in lithium disilicate glass revealed by a solid-state NMR and MD strategy", Acta Materialia, 2022, 240, 118318. https://doi.org/10.1016/j.actamat.2022.118318

Structural and luminescence characterization of europium-doped niobium germanate glasses and glass-ceramics: Novel insights from 93Nb solid-state NMR spectroscopy

Published in Ceramics International, 2022

This paper reports for the first time clear NMR evidence for different NbO6 species in glasses.

Recommended citation: Lia Mara Marcondes, Henrik Bradtmüller, Sabrina Nicoleti Carvalho dos Santos, Lucas Konaka Nolasco, Cleber Renato Mendonça, Silvia Helena Santagneli, Gael Yves Poirier, Marcelo Nalin, "Structural and luminescence characterization of europium-doped niobium germanate glasses and glass-ceramics: Novel insights from 93Nb solid-state NMR spectroscopy", Ceramics International, 2022, 48, 1, 20801-20808. https://doi.org/10.1016/j.ceramint.2022.04.062

Solid-State Nuclear Magnetic Resonance Techniques for the Structural Characterization of Geminal Alane-Phosphane Frustrated Lewis Pairs and Secondary Adducts

Published in Chemistry - A European Journal, 2021

This paper reports the first solid-state NMR characterization of geminal alane-phosphane frustrated Lewis pairs.

Recommended citation: Anna-Lena Wübker, Jonas Koppe, Henrik Bradtmüller, Lukas Keweloh, Damian Pleschka, Werner Uhl, Michael Ryan Hansen, Hellmut Eckert, "Solid-State Nuclear Magnetic Resonance Techniques for the Structural Characterization of Geminal Alane-Phosphane Frustrated Lewis Pairs and Secondary Adducts", Chem Eur. J. 2021, 27, 13249-13257. https://doi.org/10.1002/chem.202102113

Aerogelation of Polymer-Coated Photoluminescent, Plasmonic, and Magnetic Nanoparticles for Biosensing Applications

Published in Applied Nano Materials, 2021

This paper reports pathways of produce aerogels from inorganic nanoparticles.

Recommended citation: Laura Altenschmidt, Sara Sánchez-Paradinas, Franziska Lübkemann, Dániel Zámbó, Abuelmagd M. Abdelmonem, Henrik Bradtmüller, Atif Masood, Irene Morales, Patricia de la Presa, Alexander Knebel, Miguel Angel García García-Tuñón, Beatriz Pelaz, Karen D. J. Hindricks, Peter Behrens, Wolfgang J. Parak, and Nadja C. Bigall, "Aerogelation of Polymer-Coated Photoluminescent, Plasmonic, and Magnetic Nanoparticles for Biosensing Applications", ACS Applied Nano Materials 2021, 4, 7. https://doi.org/10.1021/acsami.1c07519

Composition–Structure–Solubility Relationships in Borosilicate Glasses: Toward a Rational Design of Bioactive Glasses with Controlled Dissolution Behavior

Published in Applied Materials & Interfaces, 2021

This paper is aimed at finding a rationale for composition-structure-solubility relationships in Borosilicate glasses.

Recommended citation: Nicholas Stone-Weiss, Henrik Bradtmüller, Hellmut Eckert, Ashutosh Goel , “Composition–Structure–Solubility Relationships in Borosilicate Glasses: Toward a Rational Design of Bioactive Glasses with Controlled Dissolution Behavior ”, Applied Materials & Interfaces, 2021, 13, 27. https://doi.org/10.1021/acsami.1c07519

Network former mixing effects in alkali germanotellurite glasses: A vibrational spectroscopic study

Published in Journal of Alloys and Compounds, 2021

This paper is about vibrational spectroscopic aspects of the alkali ion dependent network-former-mixing effect observed in Li- and Na-containing germanotellurite glasses.

Recommended citation: N.S. Tagiara, K.I. Chatzipanagis, Henrik Bradtmüller, , A.C.M. Rodrigues, D. Möncke, E.I. Kamitsos, “Network Former Mixing Effects in Alkali Germanotellurite Glasses: A Vibrational Spectroscopic Study ”, Journal of Alloys and Compounds, 2021, 882, 160782. https://doi.org/10.1016/j.jallcom.2021.160782

Network former mixing (NFM) effects in alkali germanotellurite glasses

Published in Journal of Alloys and Compounds, 2021

This paper is about NMR aspects of the alkali ion dependent network-former-mixing effect observed in Li- and Na-containing germanotellurite glasses.

Recommended citation: Henrik Bradtmüller, Ana Candida Martins Rodrigues, Hellmut Eckert, “Network former mixing (NFM) effects in alkali germanotellurite glasses”, Journal of Alloys and Compounds, 2021, 8734, 159835. https://doi.org/10.1016/j.jallcom.2021.159835

BiF3 Incorporation in Na/Ba Mixed Network Modifier Fluoride−Phosphate Glasses: Structural Studies by Solid-State NMR and Raman Spectroscopies

Published in Journal of Physical Chemistry C, 2020

This paper is about the role of BiF3 in optical amplifier fluoride-Phosphate glasses.

Recommended citation: Gustavo Galleani, **Henrik Bradtmüller**, Hssen Fares, Silvia Helena Santagneli, Marcelo Nalin and Hellmut Eckert, “BiF$_3$ Incorporation in Na/Ba Mixed Network Modifier Fluoride-Phosphate Glasses: Structural Studies by Solid State NMR and Raman Spectroscopies”, Journal of Physical Chemistry C, 2020, 124, 25578−25587. https://dx.doi.org/10.1021/acs.jpcc.0c07792?ref=pdf

Combined Experimental and Computational Approach toward the Structural Design of Borosilicate-Based Bioactive Glasses

Published in Journal of Physical Chemistry C, 2020

This paper is about the development of quantitative structure–property relationship (QSPR) models for bioactive glasses.

Recommended citation: Nicholas Stone-Weiss, Henrik Bradtmüller, Mariagrazia Fortino, Marco Bertani, Randall E. Youngman, Alfonso Pedone, Hellmut Eckert, and Ashutosh Goel, “Combined Experimental and Computational Approach toward the Structural Design of Borosilicate-Based Bioactive Glasses”, Journal of Physical Chemistry C, 2020, 124, 32, 17655–17674. https://doi.org/10.1021/acs.jpcc.0c04470

Isothermal evolution of phase composition, structural parameters, and ionic conductivity in Na1+xAlxGe2-x(PO4)3 glass-ceramics

Published in Journal of Non-Crystalline Solids, 2020

This paper is about the structural and ion-conduction changes in a Na-superionic conducting (NASICON) system upon extented thermal treatment.

Recommended citation: Jairo F. Ortiz-Mosquera, Adriana M. Nieto-Muñoz, Henrik Bradtmüller, Hellmut Eckert, Ana C. M. Rodrigues, “Isothermal evolution of phase composition, structural parameters, and ionic conductivity in Na1+xAlxGe2-x(PO4)3 glass-ceramics”, Journal of Non-Crystalline Solids, 2020, 533, 119725. https://doi.org/10.1016/j.jnoncrysol.2019.119725

Structural aspects of the glass-to-crystal transition in sodium-calcium silicate glasses

Published in Journal of Non-Crystalline Solids, 2020

This paper suggests that a structural resemblance of the short- and intermediate-range order of the network modifiers, rather than the network formers, may be a key feature of homogeneously nucleating glasses.

Recommended citation: Henrik Bradtmüller, Mariana Carlos Villas-Boas, Edgar Dutra Zanotto, Hellmut Eckert, “Structural aspects of the glass-to-crystal transition in sodium-calcium silicate glasses”, Journal of Non-Crystalline Solids, 2020, 535, 119844. https://doi.org/10.1016/j.jnoncrysol.2019.119844

Effect of boron incorporation on the bioactivity, structure, and mechanical properties of ordered mesoporous bioactive glasses

Published in Journal of Materials Chemistry B, 2020

This paper is about the structural role of boron in mesoporous sol-gel based bioactive glasses.

Recommended citation: Leonie Deilmann, Oliver Winter, Bianca Cerrutti, Henrik Bradtmüller, Christopher Herzig, Andreas Limbeck, Olaf Lahayne, Christian Hellmich, Hellmut Eckert and Dominik Eder, “Effect of boron incorporation on the bioactivity, structure, and mechanical properties of ordered mesoporous bioactive glasses”, J. Mater. Chem. B, 2020, 8, 1456-1465. https://doi.org/10.1039/C9TB01805K

Rare-earth solid-state NMR spectroscopy of intermetallic compounds: The case of the $^{175}$Lu isotope

Published in Solid State Nuclear Magnetic Resonance, 2019

This paper shows the feasibility of $^{175}$Lu MAS NMR.

Recommended citation: Christopher Benndorf, Marcos de Oliveira Junior, Henrik Bradtmüller, Frank Stegemann, Rainer Pöttgen, Hellmut Eckert, “Rare-earth solid-state NMR spectroscopy of intermetallic compounds: The case of the 175Lu isotope”, Solid State Nuclear Magnetic Resonance, 2019, 101, 63-67. https://doi.org/10.1016/j.ssnmr.2019.05.003

Structural Origins of Crack Resistance on Magnesium Aluminoborosilicate Glasses Studied by Solid-State NMR

Published in Journal of Physical Chemistry C, 2019

This paper gives insights into the Mg-driven enhancement of crack-resistance in aluminoborosilicate glasses.

Recommended citation: Henrik Bradtmüller, Tobias Uesbeck, Hellmut Eckert, “Structural Origins of Crack Resistance on Magnesium Aluminoborosilicate glasses Studied by Solid-State NMR”, Journal of Physical Chemistry C, 2019, 123, 14941−14954. https://doi.org/10.1021/acs.jpcc.9b03600

Structural characterization of boron-containing glassy and semi-crystalline Biosilicate® by multinuclear NMR

Published in Journal of Non-Crystalline Solids, 2019

This paper is about the structural consequences of boron incorporation into glasses and glass-ceramics with the Biosilicate® formulation.

Recommended citation: H. Bradtmüller, B.M. Cerrutti, M.T. Souza, E.D. Zanotto, H. Eckert, “Structural characterization of boron-containing glassy and semi-crystalline Biosilicate® by multinuclear NMR”, Journal of Non-Crystalline Solids, 2019, 505, 390−339. https://doi.org/10.1016/j.jnoncrysol.2018.10.045

NaPO3-AlF3 GLASSES: FLUORINE EVAPORATION DURING MELTING AND THE RESULTING VARIATIONS IN STRUCTURE AND PROPERTIES

Published in Journal of Chemical Technology & Metallurgy, 2018

This paper is about fluorine loss due to evaporation in the synthesis of NaPO3-AlF3 fluorophosphate glasses.

Recommended citation: D. Möncke, M.C.B. Neto, H. Bradtmüller, G.B. de Souza, A.M. Rodrigues, H.S. Elkholy, H.A. Othman, B.J.A. Moulton, E.I. Kamitsos, A.C.M. Rodrigues, D. Ehrt, “NaPO3-AlF3 GLASSES: FLUORINE EVAPORATION DURING MELTING AND THE RESULTING VARIATIONS IN STRUCTURE AND PROPERTIES”, Journal of Chemical Technology and Metallurgy, 2018, 53(6), 1047−1060. https://dl.uctm.edu/journal/node/j2018-6/4_17-206_p_1047-1060.pdf

Structural Studies of NaPO3-AlF3 Glasses by High-Resolution Double-Resonance Nuclear Magnetic Resonance Spectroscopy

Published in Journal of Physical Chemistry C, 2018

This paper provides a spectroscopic reference glass system for many optical research applications.

Recommended citation: H. Bradtmüller, L. Zhang, C.C. de Araujo, H. Eckert, D. Möncke, D. Ehrt, “Structural Studies of NaPO3-AlF3 Glasses by High-Resolution Double-Resonance Nuclear Magnetic Resonance Spectroscopy”, Journal of Physical Chemistry C, 2018, 122, 21579−21588. http://dx.doi.org/10.1021/acs.jpcc.8b06162

Glass-to-crystal transition in the NASICON glass-ceramic system Na1+xAlxM2−x(PO4)3 (M=Ge, Ti)

Published in Journal of Non-Crystalline Solids, 2018

This paper is about the structural aspects of the glass-to-crystal transition in two Na-superionic conducting (NASICON) systems.

Recommended citation: H. Bradtmüller, A.M. Nieto-Muñoz, J.F. Ortiz-Mosquera, A.C.M. Rodrigues, H. Eckert, “Glass-to-crystal transition in the NASICON glass-ceramic system Na1+xAlxM2−x(PO4) 3 (M=Ge, Ti)”, Journal of Non-Crystalline Solids, 2017, 489, 91−101. https://doi.org/10.1016/j.jnoncrysol.2017.10.057

Recoupling dipolar interactions with multiple I=1 quadrupolar nuclei: A 11B{6Li} and 31P{6Li} rotational echo double resonance study of lithium borophosphate glasses.

Published in Solid State Nuclear Magnetic Resonance, 2017

This paper is about dipolar recoupling to I=1 quadrupolar nuclei.

Recommended citation: L.M. Funke, H. Bradtmüller, H. Eckert, “Recoupling dipolar interactions with multiple I=1 quadrupolar nuclei: A 11B{6Li} and 31P{6Li} rotational echo double resonance study of lithium borophosphate glasses”, Solid State Nuclear Magnetic Resonance, 2017, 84, 143−150. https://doi.org/10.1016/j.ssnmr.2017.02.004