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Higher-order topological superconductivity in monolayer Fe(Te,Se)

Higher-order topological superconductivity in monolayer Fe(Te,Se)
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Ronny Thomale , Hideo Hosono , Xin Liu , Xianxin Wu , Chaoxing Liu , Chao Xing Liu , German Research Foundation , Office Of Naval Research , Pittsburgh Foundation , Pennsylvania State University , Kaufman New Initiative , National Science , Majorana Fermion , Beijing Based National Science Review , Naval Research , Wuerzburg Dresden Cluster , Quantum Matter , க்ஷின் லியூ , குழப்பம் க்ஷிங் லியூ , ஜெர்மன் ஆராய்ச்சி அடித்தளம் , அலுவலகம் ஆஃப் கடற்படை ஆராய்ச்சி , பிட்ஸ்பர்க் அடித்தளம் , பென்சில்வேனியா நிலை பல்கலைக்கழகம் , தேசிய அறிவியல் , பெய்ஜிங் அடிப்படையிலானது தேசிய அறிவியல் விமர்சனம் , கடற்படை ஆராய்ச்சி ,

Nanotechnology Now - Press Release: Polarization-sensitive photodetection using 2D/3D perovskite heterostructure crystal

Home > Press > Polarization-sensitive photodetection using 2D/3D perovskite heterostructure crystal
(a) Schematic structure of polarized light detector. (b) Photoconductivity parallel and perpendicular to the interface. (c) Photoconductivity anisotropy versus excitation power. (d) Angle-resolved photocurrent as a function of polarization angle measured at 405 nm under zero bias. (e) Experimental polarization ratios of some reported polarized light detectors. (f) Angle-dependent photocurrent of the present device measured at different temperature.
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@Science China Press
Abstract:
Polarization-sensitive photodetectors, based on anisotropic semiconductors, have exhibited wide advantages in specialized applications, such as astronomy, remote sensing, and polarization-division multiplexing. For the active layer of polarization-sensitive photodetectors, recent researches focus on two-dimensional (2D) organic-inorganic hybrid perovskites, where inorganic slabs ....

Junhua Luo , Fujian Institute Of Research , Aerospace Space , National Natural Science Foundation Of China , Science China , National Science , Chinese Academy Of Sciences , Science China Press , Strategic Priority Research Program , Wave Inc , Rate Atomic Force Microscope Enables True Video , Home Press , Natural Science Foundation Of Fujian Province , Beijing Based National Science Review , Fujian Institute , Chinese Academy , National Natural Science Foundation , Key Research Program , Frontier Sciences , Natural Science Foundation , Fujian Province , Youth Innovation Promotion , National Science Review , Nanotechnology Now , Second April , புஜியன் நிறுவனம் ஆஃப் ஆராய்ச்சி ,

Polarization-sensitive photodetection using 2D/3D perovskite heterostructure crystal

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IMAGE: (a) Schematic structure of polarized light detector. (b) Photoconductivity parallel and perpendicular to the interface. (c) Photoconductivity anisotropy versus excitation power. (d) Angle-resolved photocurrent as a function of polarization angle.
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Credit: @Science China Press
Polarization-sensitive photodetectors, based on anisotropic semiconductors, have exhibited wide advantages in specialized applications, such as astronomy, remote sensing, and polarization-division multiplexing. For the active layer of polarization-sensitive photodetectors, recent researches focus on two-dimensional (2D) organic-inorganic hybrid perovskites, where inorganic slabs and organic spacers are alternatively arranged in parallel layered structures. Compared with inorganic 2D materials, importantly, the solution accessibility of hybrid perovskites makes it possible to obtain their large crystals at low cost, offering exciting opportunities to incorpora ....

Yu Peng , Qing Li , Alina Li , Xitao Liu , Chengmin Ji , Kun Zhang , Xinyuan Zhang , Junhua Luo , Maochun Hong , Fujian Institute Of Research , Strategic Priority Research Program , National Natural Science Foundation Of China , National Science , Natural Science Foundation Of Fujian Province , Chinese Academy Of Sciences , Beijing Based National Science Review , Fujian Institute , Chinese Academy , National Natural Science Foundation , Key Research Program , Frontier Sciences , Natural Science Foundation , Fujian Province , Youth Innovation Promotion , National Science Review , யூ பெங் ,

Emissive supramolecular metallacages via coordination-driven self-assembly

Credit: @Science China Press
Metallacages prepared via coordination-driven self-assembly have received extensive attention because of their three-dimensional layout and cavity-cored nature. The construction of light-emitting materials employing metallacages as a platform has also gained significant interest due to their good modularity in photophysical properties, which bring emerging applications in fields as diverse as sensing, biomedicine, and catalysis.
However, the luminescence efficiency of conventional luminophores significantly decreases in the aggregate state because they encounter unfavorable aggregation-caused quenching (ACQ). Therefore, it was quite a challenge to fabricate light-emitting metallacages with high luminescence efficiency in various physical states.
In 2001, Tang s group discovered aggregation-induced emission (AIE) phenomenon that some nonluminous or weakly emissive materials in molecular state are highly emissive in aggregate state. The unde ....

Jun Zhao , United States , Salt Lake City , University Of Utah , Zhixuan Zhou , Guangfeng Li , Peterj Stang , Shanghai Jiao Tong University , National Natural Science Foundation Of China , Natural Science Foundation Of Shanghai , National Science , Beijing Based National Science Review , National Natural Science Foundation , Natural Science Foundation , ஜூன் ழோ , ஒன்றுபட்டது மாநிலங்களில் , உப்பு ஏரி நகரம் , பல்கலைக்கழகம் ஆஃப் உட்டா , ஷாங்காய் ஜியாவோ நாக்கு பல்கலைக்கழகம் , தேசிய இயற்கை அறிவியல் அடித்தளம் ஆஃப் சீனா , இயற்கை அறிவியல் அடித்தளம் ஆஃப் ஷாங்காய் , தேசிய அறிவியல் , பெய்ஜிங் அடிப்படையிலானது தேசிய அறிவியல் விமர்சனம் , தேசிய இயற்கை அறிவியல் அடித்தளம் , இயற்கை அறிவியல் அடித்தளம் ,

Cu-based small-pore zeolites for deNOx

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IMAGE: Matching between the characteristics of Cu2+-exchanged zeolitic catalyst and SCR catalyst requirements. The monolithic catalyst (~ 2.36 cm3) was estimated to have a total gas flow of 1.67 L/min, resulting.
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The diesel engine is the backbone of transportation due to its irreplaceability as the primary power source for the freight, navigation and marine engine industries and non-road engineering machinery for the foreseeable future. However, the control of contaminants from fuel combustion has become an urgent global concern. Nitrogen oxides are the primary pollutants from transportation and can contribute to the formation of haze, photochemical smog and acid rain. Selective catalytic reduction of NOx with ammonia (NH3-SCR) technology has been successfully and commercially applied for controlling pollution from diesel vehicle exhaust. The development of efficient and stable NH3-SCR catalysts has been pu ....

Yan Zhang , Yulong Shan , Xiaoyan Shi , Wenpo Shan , Runduo Zhang , Xiangju Meng , Yunbo Yu , University Of Chemical Technology , Zhejiang University , National Science , Chinese Academy Of Sciences , Beijing Based National Science Review , Chinese Academy , Beijing University , Chemical Technology , Feng Shou Xiao , Chemistry Physics Materials Sciences , யான் ஜாங் , யுளோங் ஷான் , கிஷியோயான் ஷி , பல்கலைக்கழகம் ஆஃப் இரசாயன தொழில்நுட்பம் , ஜெஜியாங் பல்கலைக்கழகம் , தேசிய அறிவியல் , சீன கலைக்கழகம் ஆஃப் அறிவியல் , பெய்ஜிங் அடிப்படையிலானது தேசிய அறிவியல் விமர்சனம் , சீன கலைக்கழகம் ,