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Henrik Bradtmüller — Assistant Professor of Physics at IFSC/USP, working on solid-state NMR and the structure of glasses and glass-ceramics.

Working guide to Czjzek fitting; example data, screenshots, and numerical validation are still in preparation.

Fit Lorentzian/Gaussian components in ssNake, inspect the residual, and export parameters and curves.

Process an NMR FID in ssNake: sizing, apodization, Fourier transformation, phase correction, and baseline correction.

Work in progress: The experiment setup and parameter-selection walkthrough are still in preparation.

How can REDOR measure atomic proximity when the recoupled nucleus is quadrupolar?

Multinuclear NMR follows the conversion of sodium germanophosphate and titanophosphate glasses into NASICON-type glass-ceramics for solid electrolytes.

A combination of NMR experiments maps the local environments and atomic proximities in sodium aluminofluorophosphate glasses.

Glasses with the same nominal composition can differ substantially after melting.

Adding boron to Biosilicate® changes its local structure and crystallization behavior.

Why does magnesium improve crack resistance in aluminoborosilicate glasses?

This study explores when lutetium-175 NMR can resolve local environments in cubic intermetallic compounds.

Boron-containing mesoporous bioactive glasses combine an ordered pore structure with rapid ion release.

What makes some sodium–calcium silicate glasses nucleate crystals throughout their volume?

Longer heat treatment does not simply produce more of the same NASICON phase.

NMR and atomistic calculations examine how phosphate changes sodium borosilicate glass networks.

Multinuclear NMR disentangles the effects of bismuth and fluorine in fluoride–phosphate glasses for optical applications.

Mixing germanate and tellurite networks affects lithium and sodium conductivity differently.

Raman and infrared spectroscopy reveal structural rearrangements when germanate and tellurite networks are mixed.

This study connects borosilicate glass structure with dissolution and ion release in simulated physiological conditions.

Polymer coatings allow nanoparticles with different shapes and properties to assemble into porous, macroscopic aerogels.

This work applies solid-state NMR to geminal alane–phosphane frustrated Lewis pairs and their secondary adducts.

Niobium-93 NMR distinguishes local environments in europium-doped niobium germanate glasses.

Lithium-disilicate glass can reorganize before clear changes appear in its silicate network.

Niobium-modified porous silica glasses are tested as catalysts for converting fructose into hydroxymethylfurfural (HMF).

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

Solution combustion offers a route to porous 1393-B3 borate glass powders using urea or sucrose as fuel.

Solution combustion produces porous borate-based bioactive glass powders with a high surface area.

Neutron and X-ray diffraction are combined with multinuclear NMR to resolve the structure of glasses in the sodium titanium phosphosilicate NASICON system.

Multinuclear NMR and Raman spectroscopy examine the structural role of niobium oxide in lithium silicate glasses. Interaction-selective experiments probe lithium–lithium and lithium–niobium proximity alongside changes in the silicate network.

This work investigates organic–inorganic hybrids containing bioactive glass nanoparticles. Structural characterization, including silicon-29 MAS NMR, is combined with mechanical measurements and in vitro biological assessment.

A complementary set of lithium, silicon, and niobium NMR experiments quantifies crystalline phases and the residual glass in lithium-niobate-containing glass-ceramics. The study follows how these components evolve during crystallization.

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