Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2020Digital rock physics and laboratory considerations on a high-porosity volcanic rock
Schepp, L.L.; Ahrens, B.; Balcewicz, M.; Duda, M.; Nehler, M.; Osorno, M.; Uribe, D.; Steeb, H.; Nigon, B.; Stöckhert, F.; Swanson, D.A.; Siegert, M.; Gurris, M.; Saenger, E.H.
Journal Article
2020Thermo-mechanical behavior of a granodiorite from the Liquiñe fractured geothermal system (39°S) in the Southern Volcanic Zone of the Andes
Sepúlveda, J.; Arancibia, G.; Molina, E.; Gilbert, J.P.; Duda, M.; Browning, J.; Roquer, T.; Morata, D.; Ahrens, B.; Bracke, R.
Journal Article
2019Lanthanide-doped glasses as frequency-converter for high-power LED applications
Schweizer, S.; Rimbach, A.C.; Mungra, M.; Ahrens, B.; Steudel, F.; Nolte, P.W.
Journal Article
2018Excitation power dependence of Eu3+ photoluminescence in barium borate glass
Steudel, F.; Ahrens, B.; Schweizer, S.
Journal Article
2018Structural and optical properties of Dy3+-doped lithium borate glass
Rimbach, A.C.; Steudel, F.; Ahrens, B.; Schweizer, S.
Journal Article
2018Tb3+, Eu3+, and Dy3+ doped lithium borate and lithium aluminoborate glass
Rimbach, A.C.; Steudel, F.; Ahrens, B.; Schweizer, S.
Journal Article
2017Calcium fluoride based multifunctional nanoparticles for multimodal imaging
Straßer, Marion; Schrauth, Joachim H.X.; Dembski, Sofia; Haddad, Daniel; Ahrens, Bernd; Schweizer, Stefan; Christ, Bastian; Cubukova, Alevtina; Metzger, Marco; Walles, Heike; Jakob, Peter M.; Sextl, Gerhard
Journal Article
2017Concentration-dependent luminescence and energy transfer in Tb3+/Eu3+ doped borate and fluorozirconate glasses
Loos, S.; Mungra, M.; Ahrens, B.; Leonard, R.L.; Evans, A.; Johnson, J.A.; Steudel, F.; Schweizer, S.
Journal Article
2017Lock-in Thermography for the Development of New Materials
Nolte, P.W.; Malvisalo, T.; Rimbach, A.C.; Steudel, F.; Ahrens, B.; Schweizer, S.
Journal Article, Conference Paper
2017Temperature-dependent luminescence and energy transfer properties of Tb3+ and Eu3+ doped barium borate glasses
Loos, S.; Steudel, F.; Ahrens, B.; Schweizer, S.
Journal Article
2017Tm/Tb/Eu triple-doped lithium aluminoborate glass for white light generation
Mungra, M.; Steudel, F.; Ahrens, B.; Schweizer, S.
Journal Article
2016Effect of induced crystallization in rare-earth doped lithium borate glass
Steudel, F.; Rimbach, A.C.; Loos, S.; Ahrens, B.; Schweizer, S.
Journal Article, Conference Paper
2016Quantum efficiency and energy transfer processes in rare-earth doped borate glass for solid-state lighting
Steudel, F.; Loos, S.; Ahrens, B.; Schweizer, S.
Journal Article
2015Down-Conversion in Rare-Earth Doped Glasses and Glass Ceramics
Schweizer, S.; Paßlick, C.; Steudel, F.; Ahrens, B.; Miclea, P.-T.; Johnson, J.; Baumgartner, K.; Carius, R.
Book Article
2015Fluorescent concentrators for photovoltaic applications
Goldschmidt, J.C.; Prönneke, L.; Büchtemann, A.; Gutmann, J.; Steidl, L.; Dyrba, M.; Wiegand, M.-C.; Ahrens, B.; Wedel, A.; Schweizer, S.; Bläsi, B.; Zentel, R.; Rau, U.
Book Article
2015Forschung für ein leuchtendes Morgen
Steudel, F.; Ahrens, B.; Nolte, P.; Schweizer, S.
Journal Article
2015Luminescent borate glass for efficiency enhancement of CdTe solar cells
Steudel, F.; Loos, S.; Ahrens, B.; Schweizer, S.
Journal Article
2015Luminescent glasses and glass ceramics for white LEDs
Steudel, F.; Loos, S.; Ahrens, B.; Schweizer, S.
Conference Paper
2015Multi-functionality of luminescent glasses for energy applications
Steudel, F.; Loos, S.; Ahrens, B.; Schweizer, S.
Journal Article
2015Optical properties of down-shifting barium borate glass for CdTe solar cells
Loos, S.; Steudel, F.; Ahrens, B.; Schweizer, S.
Conference Paper, Journal Article
2015Temperature-dependent luminescence of Tb3+ and Eu3+ single-doped glasses for LED applications
Loos, S.; Steudel, F.; Ahrens, B.; Leonard, R.L.; Johnson, J.A.; Schweizer, S.
Journal Article, Conference Paper
2015Up-conversion materials for enhanced efficiency of solar cells
Goldschmidt, J.C.; Fischer, S.; Steinkemper, H.; Herter, B.; Wolf, S.; Hallermann, F.; Plessen, G. von; Johnson, J.; Ahrens, B.; Miclea, P.-T.; Schweizer, S.
Book Article
2014Low phonon energy fluorozirconate-based glass ceramics for efficient rare-earth luminescence
Pfau, C.; Skrzypczak, U.; Miclea, M.; Seifert, G.; Ahrens, B.; Schweizer, S.
Conference Paper
2014Multiphonon relaxation in rare-earth doped fluorozirconate-based glasses containing BaCl2 nanocrystals
Pfau, C.; Skrzypczak, U.; Ahrens, B.; Schweizer, S.
Journal Article
2014Optical spectroscopy of borate glasses doped with trivalent rare-earth ions
Steudel, F.; Dyrba, M.; Ahrens, B.; Schweizer, S.
Conference Paper
2014Trivalent rare-earth ions as photon down-shifter for photovoltaic applications
Steudel, F.; Loos, S.; Ahrens, B.; Schweizer, S.
Conference Paper
2012Neodymium-doped barium borate glasses as fluorescent concentrators for the infrared spectral range
Dyrba, M.; Wiegand, M.-C.; Ahrens, B.; Schweizer, S.
Conference Paper
2011Crystallization behavior of rare-earth doped fluorochlorozirconate glasses
Paßlick, C.; Ahrens, B.; Henke, B.; Johnson, J.A.; Schweizer, S.
Journal Article
2011Mechanical properties of fluorozirconate-based glass ceramics for medical and photovoltaic applications
Ahrens, B.; Brand, S.; Büchner, T.; Darr, P.; Schoenfelder, S.; Paßlick, C.; Schweizer, S.
Journal Article
2011Time-resolved investigations of erbium ions in ZBLAN-based glasses and glass ceramics
Skrzypczak, U.; Miclea, M.; Stalmashonak, A.; Ahrens, B.; Henke, B.; Seifert, G.; Johnson, J.A.; Schweizer, S.
Journal Article
2010Advances in up- and down-converted fluorescence for high efficiency solar cells using rare-earth doped fluorozirconate-based glasses and glass ceramics
Paßlick, C.; Csaszar, I.; Henke, B.; Schweizer, S.; Ahrens, B.; Miclea, P.-T.; Johnson, J.A.
Conference Paper
2010Differential scanning calorimetry investigations on Eu-doped fluorozirconate-based glass ceramics
Paßlick, C.; Ahrens, B.; Henke, B.; Johnson, J.A.; Schweizer, S.
Conference Paper, Journal Article
2010Efficiency of thin film silicon solar cells with spectral down-converter from rare-earth ion doped thin films
Baumgartner, K.; Ahrens, B.; Angelov, O.; Sendova-Vassileva, M.; Dimova-Malinovska, D.; Holländer, B.; Schweizer, S.; Carius, R.
Conference Paper
2010Multi-functionality of fluorescent nanocrystals in glass ceramics
Schweizer, S.; Henke, B.; Miclea, P.-T.; Ahrens, B.; Johnson, J.A.
Journal Article
2010Photon down-conversion in Terbium(III)-doped thin dielectric films and fluorozirconate glasses for thin film solar cells
Baumgartner, K.; Holländer, B.; Carius, R.; Ahrens, B.; Angelov, O.; Sendova-Vassileva, M.; Dimova-Malinovska, D.; Schweizer, S.
Conference Paper
2010Progress on up- and down-converted fluorescence in rare-doped fluorozirconate-based glass ceramics for high efficiency solar cells
Schweizer, S.; Henke, B.; Ahrens, B.; Paßlick, C.; Miclea, P.T.; Wenzel, J.; Reisacher, E.; Pfeiffer, W.; Johnson, J.A.
Conference Paper
2010Rare-earth doped fluorozirconate-based glass ceramics for high efficiency solar cells: recent developments
Schweizer, S.; Henke, B.; Császár, I.; Paßlick, C.; Ahrens, B.; Miclea, P.-T.; Johnson, J.A.
Conference Paper
2010Saturation effects in the upconversion efficiency of Er-doped fluorozirconate glasses
Henke, B.; Pientka, F.; Johnson, J.A.; Ahrens, B.; Miclea, P.T.; Schweizer, S.
Journal Article
2009Erbium- and chlorine-doped fluorozirconate-based glasses for up-converted fluorescence
Henke, B.; Ahrens, B.; Miclea, P.T.; Eisenschmidt, C.; Johnson, J.A.; Schweizer, S.
Journal Article, Conference Paper
2009Optical properties of magnetron sputtered thin dielectric films containing terbium(III) for spectral conversion in thin film solar cells
Baumgartner, K.; Angelov, O.; Sendova-Vassileva, M.; Holländer, B.; Ahrens, B.; Schweizer, S.; Dimova-Malinovska, D.; Carius, R.
Conference Paper
2009Upconverted fluorescence in er-doped zblan glasses for high efficiency solar cells
Henke, B.; Ahrens, B.; Johnson, J.A.; Miclea, P.T.; Schweizer, S.
Conference Paper
2009Upconverted fluorescence in Nd3+- doped barium chloride single crystals
Ahrens, B.; Miclea, P.T.; Schweizer, S.
Journal Article
2008Enhanced up-converted fluorescence in fluorozirconate based glass ceramics for high efficiency solar cells
Ahrens, B.; Henke, B.; Miclea, P.T.; Johnson, J.A.; Schweizer, S.
Conference Paper
2008Neodymium-doped fluorochlorozirconate glasses as an upconversion model system for high efficiency solar cells
Ahrens, B.; Löper, P.; Goldschmidt, J.C.; Glunz, S.; Henke, B.; Miclea, P.T.; Schweizer, S.
Journal Article
2008Sm-activated barium halide nanocrystals in fluorozirconate glasses
Ahrens, B.; Selling, J.; Eisenschmidt, C.; Engel, A.; Schweizer, S.
Journal Article
2008Structural and optical investigations of Nd-doped fluorozirconate-based glass ceramics for enhanced upconverted fluorescence
Ahrens, B.; Eisenschmidt, C.; Johnson, J.A.; Miclea, P.T.; Schweizer, S.
Journal Article
2008Up- and down-conversion in fluorozirconate based glass ceramics for high efficiency solar cells
Schweizer, S.; Miclea, P.-T.; Henke, B.; Ahrens, B.
Conference Paper
2006Detection of allergen-induced airway hyperresponsiveness in isolated mouse lungs
Witzenrath, M.; Ahrens, B.; Kube, S.M.; Braun, A.; Hoymann, H.G.; Hocke, A.C.; Rosseau, S.; Suttorp, N.; Hamelmann, E.; Schutte, H.
Journal Article