Lothar Wondraczek focuses on Luminescence, Photoluminescence, Analytical chemistry, Optoelectronics and Phosphor. Lothar Wondraczek works mostly in the field of Luminescence, limiting it down to topics relating to Visible spectrum and, in certain cases, Ultraviolet, Spectral power distribution, Semiconductor, Thermal and Light-emitting diode. His Photoluminescence research integrates issues from Bismuth, Doping, Dopant and Emission spectrum.
His Analytical chemistry research is multidisciplinary, incorporating perspectives in Crystallization, Glass-ceramic, Time-resolved spectroscopy and Quantum efficiency. Lothar Wondraczek has included themes like Laser and Optical amplifier in his Optoelectronics study. As part of one scientific family, he deals mainly with the area of Phosphor, narrowing it down to issues related to the Diode, and often Precipitation and Luminous efficacy.
His primary areas of investigation include Composite material, Mineralogy, Photoluminescence, Analytical chemistry and Optoelectronics. His study on Mineralogy also encompasses disciplines like
Lothar Wondraczek regularly links together related areas like Phosphor in his Luminescence studies. His Analytical chemistry research includes elements of Crystallization and Nanocrystalline material. As part of the same scientific family, Lothar Wondraczek usually focuses on Optoelectronics, concentrating on Optical fiber and intersecting with Fiber.
Lothar Wondraczek mostly deals with Composite material, Raman spectroscopy, Indentation, Optical fiber and Ionic liquid. His Composite material research is multidisciplinary, incorporating elements of Amorphous metal and Homogeneity. His work carried out in the field of Raman spectroscopy brings together such families of science as Crucible, Composition, Differential scanning calorimetry and Infrared spectroscopy.
His study in Indentation is interdisciplinary in nature, drawing from both Scratch, Polymerization, Finite element method, Crack resistance and Scratching. He studied Amorphous solid and Ionic bonding that intersect with Doping. His research investigates the connection with Deformation and areas like Diffraction which intersect with concerns in Analytical chemistry.
Lothar Wondraczek mainly focuses on Raman spectroscopy, Indentation, Composite material, Ionic liquid and Ionic conductivity. His Raman spectroscopy study incorporates themes from Crucible, Composition and Infrared spectroscopy. His Indentation study integrates concerns from other disciplines, such as Polymerization, Finite element method, Elastic modulus, Molar volume and Glass structure.
Deformation, Relative density, Selective laser melting, Shear stress and Plasticity are among the areas of Composite material where the researcher is concentrating his efforts. The various areas that he examines in his Ionic conductivity study include Chemical physics, Fast ion conductor, Ionic bonding, Topology and Microstructure. Lothar Wondraczek has researched Ionic bonding in several fields, including Amorphous solid and Amorphous metal.
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Towards Ultrastrong Glasses
Lothar Wondraczek;John C. Mauro;Jürgen Eckert;Uta Kühn.
Advanced Materials (2011)
Hybrid nanoparticle–microcavity-based plasmonic nanosensors with improved detection resolution and extended remote-sensing ability
Markus A. Schmidt;Dang Yuan Lei;Lothar Wondraczek;Virginie Nazabal.
Nature Communications (2012)
Discussion on the origin of NIR emission from Bi-doped materials
Mingying Peng;Guoping Dong;Lothar Wondraczek;Liaolin Zhang.
Journal of Non-crystalline Solids (2011)
Origin of broad NIR photoluminescence in bismuthate glass and Bi-doped glasses at room temperature
Mingying Peng;Cordt Zollfrank;Lothar Wondraczek.
Journal of Physics: Condensed Matter (2009)
Band-Gap Modulation in Single Bi3+-Doped Yttrium–Scandium–Niobium Vanadates for Color Tuning over the Whole Visible Spectrum
Fengwen Kang;Haishan Zhang;Lothar Wondraczek;Xiaobao Yang.
Chemistry of Materials (2016)
Tunable dual-mode photoluminescence from nanocrystalline Eu-doped Li2ZnSiO4 glass ceramic phosphors
Guojun Gao;Sindy Reibstein;Mingying Peng;Lothar Wondraczek.
Journal of Materials Chemistry (2011)
Highly Efficient and Thermally Stable K3AlF6:Mn4+ as a Red Phosphor for Ultra-High-Performance Warm White Light-Emitting Diodes.
Enhai Song;Jianqing Wang;Jiahao Shi;Tingting Deng.
ACS Applied Materials & Interfaces (2017)
Supercontinuum generation in chalcogenide-silica step-index fibers
N. Granzow;S. P. Stark;M. A. Schmidt;A. S. Tverjanovich.
Optics Express (2011)
Red Photoluminescence from Bi3+ and the Influence of the Oxygen-Vacancy Perturbation in ScVO4: A Combined Experimental and Theoretical Study
Fengwen Kang;Xiaobao Yang;Mingying Peng;Lothar Wondraczek.
Journal of Physical Chemistry C (2014)
Solar spectral conversion for improving the photosynthetic activity in algae reactors
Lothar Wondraczek;Miroslaw Batentschuk;Markus A. Schmidt;Rudolf Borchardt.
Nature Communications (2013)
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