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Enrico Costa
In one and a half years, the Imaging X-ray Polarimetry Explorer has demonstrated the role and the potentiality of Polarimetry in X-ray Astronomy. The next steps include extension to higher energies. There is margin for an extension of the photoelectric a...
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Jianhe Li, Honggang Li, Xiaoguang Guo, Renke Kang and Shang Gao
Off-axis parabolic mirrors have extensive applications in X-ray optics, with the precision of their curvature directly impacting grazing-incidence focusing performance. Notably, the off-axis parabolic surface has non-rotating and non-symmetrical characte...
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Mayu Hasegawa, Junpei Oi, Kyohei Yamashita, Keisuke Seto, Takayoshi Kobayashi and Eiji Tokunaga
Interfacial sensors or light modulators made of transparent dielectric materials alone.
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Prabhath L. Gamage, Chinthaka M. Udamulle Gedara, Ruwan Gunawardhana, Chandima Bulumulla, Ziyuan Ma, Ashutosh Shrivastava, Michael C. Biewer and Mihaela C. Stefan
The structural alteration of semiconducting polymer backbones can improve the optoelectronic properties of organic semiconductors and enhance field-effect mobilities. In our efforts towards improving the performance of organic field-effect transistors (O...
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Octavian-Gabriel Simionescu, Oana Brîncoveanu, Cosmin Romanitan, Silviu Vulpe and Andrei Avram
In this work, the growth process of self-sustained vertically aligned carbon nanotubes (VA-CNTs) is investigated in full: from bare Si wafers to fully grown VA-CNTs on 4? wafers. Each developmental step, from supporting and catalyst layers? depositions t...
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Dai Liu, Zhenglin Li, Guangxu Wang and Yunfeng Liu
An undulating bottom in shallow water has a significant effect on sound propagation. An acoustic propagation experiment was carried out in the East China Sea in 2020. Measurements along two separate propagation tracks with flat and undulating bottoms wer...
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Uchkun Kutliev,Muxtor Karimov,Bibirobiya Sadullaeva,Mexroj Otaboev
Scattering of Ar+ ions from InP(001) at the grazing incidence was studied by the binary collision approximation method. The energy and angular distributions was obtained. At the energy distribution observed few peaks corresponding to the ions scattered f...
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Mihaela Dinu, Emile S. Massima Mouele, Anca C. Parau, Alina Vladescu, Leslie F. Petrik and Mariana Braic
Chromium nitride and oxynitride coatings were deposited as monolayers ((Cr?N), Cr(N,O)) and bilayers (Cr?N/Cr(N,O), Cr(N,O)/Cr?N) on 304 steel substrates by reactive cathodic arc method. The coatings were characterised by X-ray diffraction (XRD), scannin...
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Abhijit Majumdar, Steffen Drache, Harm Wulff, Arun Kumar Mukhopadhyay, Satyaranjan Bhattacharyya, Christiane A. Helm and Rainer Hippler
We report the self-buckling (or peeling off) of cubic Cu3N films deposited by DC magnetron sputtering of a Cu target in a nitrogen environment at a gas pressure of 1 Pa. The deposited layer partially peels off as it is exposed to ambient air at atmospher...
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Filipa Torres-Manso,Paulo Fernandes,Rui Pinto,Hermínio Botelho,Aurora Monzon
Pág. 15 - 21
Aim of study:Wildfire incidence in Portugal is high in comparison with other Mediterranean Europe countries. Wildfire problems have been worsened by complex interactions between land use, livestock grazing and human population during the 20th century. In...
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