Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Alfons, Stiegelschmitt"'
Autor:
Hai-Qiao Wang, Erdmann Spiecker, Ivan Litzov, Andres Osvet, Miroslaw Batentschuk, Alfons Stiegelschmitt, Christoph J. Brabec, Elena Epelbaum, Mirza Mačković
Publikováno v:
Particle & Particle Systems Characterization. 32:340-346
A new upconversion nanocrystal phase Yb2Mo4O15:Er is developed by using a facile aqueous-precipitation procedure combined with thermal annealing. Nanocrystals of Yb2Mo4O15 are exclusively synthesized, with particle sizes ranging from 1 to 20 nm. The
Publikováno v:
Journal of the American Ceramic Society. 97:1638-1644
Lead zirconate titanate (PZT) ceramics are used in a wide range of applications as sensors and actuators. Typically, they are formulated by the mixed oxide route, using several mixing and milling steps. Due to wear, these processes introduce impuriti
Publikováno v:
Journal of the European Ceramic Society. 33:991-1000
Piezoelectric multilayer ceramics are increasingly used in sophisticated applications for high-precision positioning systems. The reproducibility of the piezo-electrical properties is of major importance for the manufacture of high quality products.
Autor:
Andres Osvet, Alfons Stiegelschmitt, Albrecht Winnacker, M. Weidner, Miroslaw Batentschuk, S. Dröscher, Frank Meister
Publikováno v:
Radiation Measurements. 42:771-774
Powder samples of EuAl 2 O 4 and ( Eu , Sr ) Al 2 O 4 with a quantum efficiency (QE) of the Eu 2 + emission more than 0.30 were synthesized. A modified method of QE determination is described and results of the QE measurements for EuAl 2 O 4 , ( Eu 0
Publikováno v:
Journal of the American Ceramic Society. 90:64-70
Filled glass–ceramic composites, like low-temperature co-fired ceramics (LTCC), must densify at temperatures
Autor:
Harald, Unterweger, Daniel, Subatzus, Rainer, Tietze, Christina, Janko, Marina, Poettler, Alfons, Stiegelschmitt, Matthias, Schuster, Caroline, Maake, Aldo R, Boccaccini, Christoph, Alexiou
Publikováno v:
International Journal of Nanomedicine
Combining the concept of magnetic drug targeting and photodynamic therapy is a promising approach for the treatment of cancer. A high selectivity as well as significant fewer side effects can be achieved by this method, since the therapeutic treatmen
Autor:
Andreas Roosen, Alfons Stiegelschmitt, Rainer Schmidt, S. Datta, W. Kozlowski, A.W. Brinkman, Z. Klusek, A. Basu
Publikováno v:
Applied Surface Science. 252:8760-8767
In this paper an atomic force microscopy and scanning electron microscopy analysis of the surface grain structure of negative temperature coefficient of resistance (NTCR) thermistor nickel manganate layers produced by radio frequency (RF) magnetron s
Autor:
Siegfried Martius, Andreas Roosen, Lorenz-Peter Schmidt, Christof Ziegler, Alfons Stiegelschmitt
Publikováno v:
Journal of the European Ceramic Society. 24:1463-1466
The dielectric constants of standard ceramic substrates like alumina and LTCC have been determined in the frequency range from 1 to 50 GHz. For the measurements cylindrical disk resonators and printed microstrip line resonators on substrates have bee
Publikováno v:
Journal of the European Ceramic Society. 23:1549-1558
Screen printing and sintering procedures have been established to produce ∼25 μm thick, uniform ceramic NiMn2O4+δ films on alumina (thick film grade) substrates. NiMn2O4+δ source powder was prepared by calcination of NiMn2(C2O4)3·6 H2O co-preci
Publikováno v:
Key Engineering Materials. :1281-1284