Zobrazeno 1 - 10
of 530
pro vyhledávání: '"K. Bärner"'
Autor:
Yongsheng Liu, S. L. Tang, K. Bärner, X.J. Luo, Yi Wang, D.H. Xu, Changping Yang, Y.T. Zhang, Y. Chai, S.S. Chen
Publikováno v:
Ceramics International. 45:12994-13003
The temperature and dc bias stability of the dielectric constant and loss tangent of CaCu3Ti4O12 samples sintered under different oxygen atmospheres are discussed. The results suggest that the metal-oxygen vacancy related defects not only provide the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d0261044720c27f0fafac5325d51f004
https://doi.org/10.1016/j.ceramint.2019.03.229
https://doi.org/10.1016/j.ceramint.2019.03.229
Publikováno v:
tm - Technisches Messen. 86:278-284
For the interpretation of the Seebeck coefficient S ( T ) S(T) of transition metal alloys where one or both of the alloy partners develop a spin moment, so far spincluster models in connection with the standard Boltzmann-Fermi theory S ( T ) ∼ T S(
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b5305d717618549ab9af9d5d06b8dcd
https://doi.org/10.1515/teme-2018-0071
https://doi.org/10.1515/teme-2018-0071
Publikováno v:
Ceramics International. 44:12007-12013
The correlation between conductance, capacitance and oxygen content is discussed in the colossal dielectric permittivity perovskite oxide CaCu3Ti4O12. We found an unusual positive conductivity-permittivity relation which is very sensitive to the oxyg
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dddc885884eedc3c0586421bdd03e949
https://doi.org/10.1016/j.ceramint.2018.03.169
https://doi.org/10.1016/j.ceramint.2018.03.169
Publikováno v:
Ceramics International. 42:10866-10871
The effects of Mn-doping on CaCu 3 Ti 4 O 12 (CCTO), i.e. the electrical properties of CaCu 3 Ti (4− x ) Mn x O 12 were studied in order to get a deep insight into the origin of the colossal dielectric constant of CCTO. It was found that 1 mol% sub
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2886687c74c2017e59ad243bb1eccfdb
https://doi.org/10.1016/j.ceramint.2016.03.217
https://doi.org/10.1016/j.ceramint.2016.03.217
Autor:
Yan Zhu, Lisha Xu, Daning Shi, Li Pi, K. Bärner, Jiyu Fan, Yuheng Zhang, Lili Chen, Lei Zhang
Publikováno v:
Ceramics International. 42:8234-8239
The effect of dysprosium incorporation in La 0.7 Sr 0.3 MnO 3 perovskite manganite on its magnetic properties, magnetocaloric effect and critical behavior was investigated. The temperature dependent magnetization data exhibit a sharp paramagnetic–f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dcfc57f09c174fe4a5e4861077fac903
https://doi.org/10.1016/j.ceramint.2016.02.035
https://doi.org/10.1016/j.ceramint.2016.02.035
Publikováno v:
physica status solidi (a). 213:1553-1558
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c9ecf2a4714e2422d7fe014d3f140a51
https://doi.org/10.1002/pssa.201532308
https://doi.org/10.1002/pssa.201532308
Publikováno v:
Applied Surface Science. 360:875-879
Electric pulse-induced resistance (EPIR) effect in metal⿿oxide⿿metal devices is a fascinating phenomenon toward next generation universal nonvolatile memories. Herein, the cuprous sulfide (Cu 2 S) film was prepared by electrochemical deposition.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ba203504cb072d9c8997e8caaa146148
https://doi.org/10.1016/j.apsusc.2015.11.079
https://doi.org/10.1016/j.apsusc.2015.11.079
Autor:
Yi Wang, Yan-Yan Zhu, S. L. Tang, X.R. Su, Xiaojing Luo, Shuai Yang, Changping Yang, Yu Liu, K. Bärner
Publikováno v:
Journal of Alloys and Compounds. 814:152185
The abnormal dielectric behaviors of the perovskite oxide CaCu3Ti4O12 (CCTO) ceramics were discussed. The hysteretic dc current – voltage (I–V) curves that change hysteresis degree with voltage sweeping rate suggest that there is a slow trap char
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::66313b657aaf755855f41cdac5906b63
https://doi.org/10.1016/j.jallcom.2019.152185
https://doi.org/10.1016/j.jallcom.2019.152185
Autor:
Fujun Yang, Lisha Xu, Meiling Wu, Yi-Min Ding, V.V. Marchenkov, Changping Yang, Da-Wei Shi, Haibo Xiao, K. Bärner, Ruilong Wang
Publikováno v:
Ceramics International. 41:7276-7282
La 0.5 Ca 0.5 MnO 3 (LCMO) ceramic samples were synthesized by solid state reaction under different atmospheres. The transport properties were investigated under the 2-wire mode. Remarkable Electrical Pulse Induced Resistance switching (EPIR) was obs
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::776f27cce651d8b243592f7f1e6392ae
https://doi.org/10.1016/j.ceramint.2015.02.001
https://doi.org/10.1016/j.ceramint.2015.02.001
Publikováno v:
Journal of the European Ceramic Society. 35:2073-2081
Oxygen vacancy associate defects were studied by electron paramagnetic resonance (EPR) for the perovskite oxide CaCu 3 Ti 4 O 12 (CCTO), which have a colossal dielectric constant. It is found that the EPR line width of the Cu 2+ –host signal of CCT
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::01704cb5d25f08a92bee4f93ad5adf77
https://doi.org/10.1016/j.jeurceramsoc.2015.01.024
https://doi.org/10.1016/j.jeurceramsoc.2015.01.024