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Juin Jie Liou, Hao-Tse Hsiao, I-Cheng Yao, Jia-Syun Jheng and Chu-Hsuan Lin
We have tried to improve the responsivity of germanium-based thin-film photodetectors. It has been shown that applying a mechanical strain to the detector led to a 46.6% enhancement on the 1550 nm detection. This improvement is better than the 1310 nm ca...
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Michal Drzazga, Andrzej Chmielarz, Grzegorz Benke, Katarzyna Leszczynska-Sejda, Magdalena Knapik, Patrycja Kowalik and Mateusz Ciszewski
The precipitation of tannin complex of germanium from sulfuric solutions obtained after dross leaching was investigated. The tested solutions contained mainly zinc, germanium, indium, and tin. The influence of temperature, time, amount of added tannic ac...
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E. N. Sgourou, Y. Panayiotatos, R. V. Vovk, N. Kuganathan and A. Chroneos
Germanium is an important mainstream material for many nanoelectronic and sensor applications. The understanding of diffusion at an atomic level is important for fundamental and technological reasons. In the present review, we focus on the description of...
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Dushyant Tomer and Ronald A. Coutu
The large resistance contrast between amorphous and crystalline states of phase change materials (PCM) makes them a promising candidate for data-storage applications. Germanium telluride (GeTe), an early member of the PCM family, shows ~6 orders of magni...
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Kunlin Cheng, Yu Feng, Chuanwen Lv, Silong Zhang, Jiang Qin and Wen Bao
The types and the characteristics of the waste heat on hypersonic vehicles and the application feasibility of thermoelectric generators (TEGs) for hypersonic aircraft are discussed in this paper. Two thermoelectric generator schemes with an isothermal he...
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Antonio Cusma, Marco Sebastiani, Daniele De Felicis, Andrea Basso and Edoardo Bemporad
In this work, a morphological and structural characterization of a ternary Ag-Cu-Ge alloy of known composition was performed with the aim of evaluating how the passivation parameters (time and temperature) influence the morphological features of the mate...
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O. Yu. Bereza,O. V. Bereza
Pág. 222 - 225
This article is devoted to the investigation of phase composition and microstructure of the higher cooled aluminum-germanium alloys. The formation of non-equilibrium germanium solid solutions is shown. The influence of the rate of cooling and the germani...
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Francesco Caridi, Giuseppe Acri, Alberto Belvedere, Vincenza Crupi, Maurizio D?Agostino, Santina Marguccio, Maurizio Messina, Giuseppe Paladini, Valentina Venuti and Domenico Majolino
Flour investigation, in terms of physical and chemical pollutants and mineral content, is of great interest, in view of its high consumption for nutritional purposes. In this study, eleven types of flour (five samples for each one), coming from large ret...
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Callum G. Littlejohns, David J. Rowe, Han Du, Ke Li, Weiwei Zhang, Wei Cao, Thalia Dominguez Bucio, Xingzhao Yan, Mehdi Banakar, Dehn Tran, Shenghao Liu, Fanfan Meng, Bigeng Chen, Yanli Qi, Xia Chen, Milos Nedeljkovic, Lorenzo Mastronardi, Rijan Maharjan, Sanket Bohora, Ashim Dhakal, Iain Crowe, Ankur Khurana, Krishna C. Balram, Luca Zagaglia, Francesco Floris, Peter O?Brien, Eugenio Di Gaetano, Harold M.H. Chong, Frederic Y. Gardes, David J. Thomson, Goran Z. Mashanovich, Marc Sorel and Graham T. Reedadd Show full author list remove Hide full author list
The CORNERSTONE silicon photonics rapid prototyping service can be used by academic and industry researchers alike. The platform targets those who require flexibility in their fabrication process flows for applications in datacoms, metrology, sensing and...
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Francesco Caridi, Maurizio Messina, Alberto Belvedere, Maurizio D?Agostino, Santina Marguccio, Letteria Settineri and Giovanna Belmusto
The analysis of food salt is very important because of its high consumption by the population, for both medicinal and nutritional use. In this study, nine different samples of food salt (Cyprus black, Himalayan pink, Hawaii red, iodized, hyposodic iodize...
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Ziyou Zhou, Wenfeng Liu, Hailong Huang, Xiaolong Ding and Xintian Li
In this paper, the solar absorption level of PEDOT:PSS/Ge organic and inorganic hybrid solar cells (HSCs) with different parameters of cruciform microstructure (CM) is studied, using the finite-difference time domain (FDTD) method. The light absorption i...
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Francesco Caridi, Giuseppe Paladini, Valentina Venuti, Sebastiano Ettore Spoto, Vincenza Crupi, Giovanna Belmusto and Domenico Majolino
The natural (40K) and anthropogenic (137Cs) radioactivity concentration in four different typologies of early childhood (up to two years old) foods, i.e., homogenized fruit, homogenized meat, childhood biscuits and baby pasta, produced in Italy and sold ...
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Håkan Emteborg and Jean Charoud-Got
A high-resolution infrared (IR) camera was used for temperature measurements in a pharmaceutical formulation (mannitol/sucrose solution, 4:1%, m/m) during a freeze-drying process. The temperature was measured simultaneously at the surface as well as vert...
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Francesco Caridi, Antonio Francesco Mottese, Giuseppe Paladini, Santina Marguccio, Maurizio D?Agostino, Alberto Belvedere, Domenico Majolino and Valentina Venuti
In this article, an investigation into the natural radioactivity content in natural inorganic pigments was carried out, together with the assessment of the radiological health risk for the public related to external exposure to ionizing radiations, via H...
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Amanda Leong, Steven Derek Rountree and Jinsuo Zhang
This research article explores the potential of optical fibers as sensors, highlighting their ability to measure various parameters such as temperature, pressure, stress, and radiation dose. The study focuses on investigating the material compatibility o...
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Ilsa Rosianna, Eka Djatnika Nugraha, Heri Syaeful, Sugili Putra, Masahiro Hosoda, Naofumi Akata and Shinji Tokonami
Mamuju is a region of Indonesia with relatively high exposure to natural radiation. Since 2012, Mamuju has been a uranium and thorium exploration area. Several mapping studies of the region have been carried out to depict NORM (naturally occurring radioa...
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Aris A. Ikiades
Fiber Bragg grating (FBG) sensors have been widely used for measurements of strain and temperature in a host of different applications, including aerospace in composite wings, fuselage structures, and other critical components. Here, we report on a metho...
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Pinggui Wang, Xiuhua Fu, Des Gibson, Lewis Fleming, Sam Ahmadzadeh, Cheng Li, Manu Muhiyudin, Shigeng Song, David Hutson, David Moodie, Calum MacGregor and Matthew Steer
In this work, performance improvements are described for a low-power consumption non-dispersive infrared (NDIR) methane (CH4) gas sensor using customised optical thin film bandpass filters (BPFs) centered at 3300 nm. BPFs shape the spectral characteristi...
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Jinjin Chen, Junhong Su, Ning Jin, Zexiao Li, Xiaodong Zhang, Hao Zhang and Ligang Zhou
In this paper, we used a freeform lens in a long-wave, un-cooled, refractive infrared (IR) thermal imager and present the design strategy and test results. This optical system is composed of only one freeform lens and several spheres. It can correct the ...
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Cosimo Lacava, Mohamed A. Ettabib and Periklis Petropoulos
In this paper, we present a review on silicon-based nonlinear devices for all optical nonlinear processing of complex telecommunication signals. We discuss some recent developments achieved by our research group, through extensive collaborations with aca...
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