Zobrazeno 1 - 10
of 74
pro vyhledávání: '"Neef, Christoph"'
Publikováno v:
Journal of Crystal Growth 556, 125995 (2021)
The high-pressure optical floating-zone method enables single crystal growth of the Pmnb high-temperature phase of Li2FeSiO4. The influence of growth conditions on crystal quality, phase homogeneity, and impurity formation in Li2FeSiO4 is studied. Th
Externí odkaz:
http://arxiv.org/abs/2012.08845
Autor:
Thauer, Elisa, Ottmann, Alexander, Schneider, Philip, Möller, Lucas, Deeg, Lukas, Zeus, Rouven, Wilhelmi, Florian, Schlestein, Lucas, Neef, Christoph, Ghunaim, Rasha, Gellesch, Markus, Nowka, Christian, Scholz, Maik, Haft, Marcel, Wurmehl, Sabine, Wenelska, Karolina, Mijowska, Ewa, Kapoor, Aakanksha, Bajpai, Ashna, Hampel, Silke, Klingeler, Rüdiger
Publikováno v:
Molecules 25, 1064 (2020) (open access)
Downsizing well-established materials to the nanoscale is a key route to novel functionalities, in particular if different functionalities are merged in hybrid nanomaterials. Hybrid carbon-based hierarchical nanostructures are particularly promising
Externí odkaz:
http://arxiv.org/abs/2003.01379
Publikováno v:
Solid State Ionics 346, 115197 (2020)
We report AC-impedance studies on a series of high-quality LiMn$_{1-x}$Fe$_x$PO$_4$ single crystals with $0\leq x \leq 1$. Our results confirm quasi-one-dimensional transport in LiFePO$_4$ with fast Li-diffusion along the $b$-axis. The conductivities
Externí odkaz:
http://arxiv.org/abs/1912.12718
Akademický článek
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Autor:
Hergett, Waldemar, Neef, Christoph, Wadepohl, Hubert, Meyer, Hans-Peter, Abdel-Hafiez, Mahmoud M., Ritter, Clemens, Thauer, Elisa, Klingeler, Rüdiger
Publikováno v:
Journal of Crystal Growth 515, 37-43 (2019)
We report the growth of mm-sized Pmnb-Li2FeSiO4 single crystals by means of the optical floating-zone method at high argon pressure and describe the conditions required for a stable growth process. The crystal structure is determined and refined by s
Externí odkaz:
http://arxiv.org/abs/1903.05884
Autor:
Hergett, Waldemar, Jonak, Martin, Billert, Fabian, Werner, Johannes, Sauerland, Sven, Koo, Changhyun, Neef, Christoph, Klingeler, Rüdiger
Publikováno v:
J. Magn. Magn. Mat. 477, 1-3 (2019)
A macroscopic single crystal of $\gamma_{\rm II}$-Li\(_2\)FeSiO\(_4\) has been grown by means of the high-pressure optical floating-zone technique. Static magnetic susceptibility $\chi$ implies that the tetrahedrally-coordinated Fe$^{2+}$ ions are in
Externí odkaz:
http://arxiv.org/abs/1903.04292
Publikováno v:
In Resources, Conservation & Recycling May 2023 192
Publikováno v:
Journal of Crystal Growth 462, 50 (2017)
Mm-sized LiMn$_{1-x}$Fe$_x$PO$_4$ single crystals with $0\leq x \leq 1$ were grown by means of the traveling floating-zone technique at elevated Argon pressure of 30~bar. For the various doping levels, the growth process was optimized with respect to
Externí odkaz:
http://arxiv.org/abs/1702.01138
Autor:
Li, Zhenyou, Ottmann, Alexander, Thauer, Elisa, Neef, Christoph, Sai, Huazheng, Sun, Qing, Cendrowski, Krzysztof, Meyer, Hans-Peter, Vaynzof, Yana, Mijowsk, Ewa, Xiang, Junhui, Klingeler, Rüdiger
Publikováno v:
RSC Adv. 6, 76084-76092 (2016)
A uniformly coated MoS2/Carbon-nanocomposite with three-dimensional hierarchical architecture based on carbonized bacterial cellulose (CBC) nanofibers is synthesized by a facile one-step hydrothermal method followed by thermal annealing at 700 {\deg}
Externí odkaz:
http://arxiv.org/abs/1701.05894
Publikováno v:
In Journal of Crystal Growth 15 February 2021 556