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455 Aktuelle Fachpublikationen zum Thema temperature

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Effect of deposition temperature on transparent conductive properties of γ‐CuI film prepared by vacuum thermal evaporation

24.03.2015 | Min Zi, Juan Li, Zichao Zhang, Xuesong Wang, Jun Han, Xiaopeng Yang, Zhiwen Qiu, Haibo Gong, Ziwu Ji, Bingqiang Cao, physica status solidi (a), 2015

Copper (I) iodide (CuI) films are grown on glass substrates with a direct vacuum thermal evaporation method, and the effect of substrate temperature on their photoluminescence and transparent conductive properties is discussed. The X‐ray diffraction (XRD) measurement identifies the ...

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Three‐dimensional amorphous silicon solar cells on periodically ordered ZnO nanocolumns

23.03.2015 | Neda Neykova, Etienne Moulin, Andrej Campa, Karel Hruska, Ales Poruba, Michael Stuckelberger, Franz‐Josef Haug, Mark ..., physica status solidi (a), 2015

We evaluate the potential of three‐dimensional (3D) thin‐film silicon solar cells in the superstrate configuration deposited on hexagonally ordered arrays of ZnO nanocolumns (NCs). These nanostructures are prepared by hydrothermal growth, which is an effective and versatile method to obtain ZnO ...

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PdO/SnO2 hollow nanospheres for carbon monoxide detection

16.03.2015 | Chengnan Wang, Pei Zhao, Shantang Liu, physica status solidi (a), 2015

SnO2 hollow nanospheres (SnO2 HNs) and different amount of PdO‐doped SnO2 HNs were successfully synthesized and applied to fabricate sensors for CO detection. The synthesized SnO2 and PdO/SnO2 materials have tetragonal and HN structure with a diameter of ∼180 nm, and the existence of Pd element ...

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Unique high temperature polarization stability state in Bi0.5Na0.5TiO3–BaTiO3 system at the morphotropic phase boundary

16.03.2015 | Ling Yang, Changrong Zhou, Weidong Zeng, Changlai Yuan, Guohua Chen, Jianrong Xiao, Jiafeng Ma, Qin Zhou, physica status solidi (a), 2015

The high‐temperature stability of piezoelectric property is an important merit for applications at elevated temperatures. However, understanding the depolarization mechanism is a fundamental issue that remained unclear for decades. In this study, the ex situ depolarization behavior between ...

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Excellent silicon surface passivation using dimethylaluminium chloride as Al source for atomic layer deposited Al2O3

16.03.2015 | Shuo Li, Yameng Bao, Mikko Laitinen, Timo Sajavaara, Matti Putkonen, Hele Savin, physica status solidi (a), 2015

We demonstrate that the surface passivation of crystalline silicon and thermal stability of atomic layer deposited (ALD) Al2O3 can be substantially improved by replacing the conventional aluminium precursor trimethylaluminium (TMA) with low‐cost dimethylaluminium chloride (DMACl). A film ...

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Electrochemical characterization of a responsive macromolecular interface on gold

13.03.2015 | Artur Fandrich, Jens Buller, Daniel Schäfer, Erik Wischerhoff, André Laschewsky, Fred Lisdat, physica status solidi (a), 2015

This study reports on the investigation of a thermo­responsive polymer as a thin film on electrodes and the influence of coupling a peptide and an antibody to the film. The utilized polymer from the class of poly(oligoethylene glycol)‐methacrylate polymers (poly(OEGMA)) with carboxy functions ...

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Scanning thermal microscopy: A review

13.03.2015 | Séverine Gomès, Ali Assy, Pierre‐Olivier Chapuis, physica status solidi (a), 2015

Fundamental research and continued miniaturization of materials, components and systems have raised the need for the development of thermal‐investigation methods enabling ultra‐local measurements of surface temperature and thermo‐physical properties in many areas of science and applicative ...

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BAlN thin layers for deep UV applications

11.03.2015 | Xin Li, Suresh Sundaram, Youssef El Gmili, Tarik Moudakir, Frédéric Genty, Sophie Bouchoule, Gilles Patriarche, Russ ..., physica status solidi (a), 2015

In this work, wurtzite BAlN layers with boron composition as high as 12% were successfully grown by MOVPE. The growth was performed at 650 °C and then annealed at 1020 °C. Low temperature growth was used in order to alleviate B‐rich phase poisoning under high TEB/III ratio. The growth was ...

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A simple and flexible thermal illusion device and its experimental verification

24.02.2015 | Tian Hang Chen, Fan Yang, Zhong Lei Mei, physica status solidi (a), 2015

A new kind of thermal illusion device is proposed, which requires one layer of homogeneous and isotropic thermal conducting materials. Unlike the transformation optics method, this illusion device is analytically designed by matching two distinct temperature profiles along a controlled ...

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Measuring the thermal conductivity of the GaN buffer layer in AlGaN/GaN HEMTs

23.02.2015 | Máire Power, James W. Pomeroy, Yohei Otoki, Takeshi Tanaka, Jiro Wada, Masaaki Kuzuhara, Wolfgang Jantz, Andrew Souz ..., physica status solidi (a), 2015

The thermal conductivity of the GaN buffer layer in AlGaN/GaN devices can be determined by measuring the vertical temperature gradient through this layer. In this work, diamond micro‐thermometers and standard micro‐Raman thermography were used to determine the surface and volumetric depth ...

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