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Correction: Efficient broadband light absorption in thin-film a-Si solar cell based on double sided hybrid bi-metallic nanogratings

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RSC advances 2020年第29期10卷 16881页

作者： Fazal E Subhan Aimal Daud Khan Fazal E Hilal Adnan Daud Khan Sultan Daud Khan Rehan Ullah Khan Muhammad Imran Muhammad Noman Center for Advanced Studies in Energy University of Engineering & Technology Peshawar 25000 Pakistan adnan.daud@uetpeshawar.edu.pk. College of Energy Soochow Institute for Energy and Materials InnovationS (SIEMIS) Soochow University Suzhou 215006 China. Key Laboratory of Advanced Carbon Materials and Wearable Energy Technology of Jiangsu Province Key Laboratory of Modern Optical Technologies of Ministry of Education Suzhou 215006 China. Department of Computer Science National University of Technology Islamabad 46000 Pakistan. Department of Information Technology College of Computer Qassim University Al-Mulida 51431 Saudi Arabia. Department of Electrical Engineering Military College of Signals National University of Sciences and Technology (NUST) Islamabad 46000 Pakistan.

[This corrects the article DOI: 10.1039/C9RA10232A.].

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Short-range antiferromagnetic correlations in the superconducting state of filled skutterudite alloys Pr1−xEuxPt4Ge12

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Physical Review B 2018年第6期98卷 064506-064506页

作者： R. B. Adhikari D. L. Kunwar I. Jeon M. B. Maple M. Dzero C. C. Almasan Department of Physics Kent State University Kent Ohio 44242 USA Center for Advanced Nanoscience University of California San Diego La Jolla California 92093 USA Materials Science and Engineering Program University of California San Diego La Jolla California 92093 USA Department of Physics University of California at San Diego La Jolla California 92903 USA

Motivated by current research efforts toward exploring the interplay between magnetism and superconductivity in multiband electronic systems, we have investigated the effects of Eu substitution through thermodynamic measurements on the superconducting filled skutterudite alloys Pr1−xEuxPt4Ge12. An increase in Eu concentration leads to a suppression of the superconducting transition temperature consistent with an increase of magnetic entropy due to Eu local moments. While the low-temperature heat capacity anomaly is present over the whole doping range, we find that in alloys with x≤0.5, the Schottky peaks in the heat capacity in the superconducting state appear to be due to Zeeman splitting by an internal magnetic field. Our theoretical modeling suggests that this field is a result of the short-range antiferromagnetic correlations between the europium ions. For the samples with x>0.5, the peaks in the heat capacity signal the onset of antiferromagnetic ordering of the Eu moments.

关键词： Superconductivity

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Co3O4/CuO composite nanopowder/sodium dodecyl sulphate modified carbon paste electrode based voltammetric sensors for detection of dopamine

Co3O4/CuO composite nanopowder/sodium dodecyl sulphate modif...

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作者： Kumar, Mohan Swamy, B.E. Kumara Chandra, Umesh Gebisa, Aboma Wagari Department of P.G. Studies and Research in Industrial Chemistry Kuvempu University Shimoga Karnataka577451 India School of Materials Science and Engineering Jimma Institute of Technology Jimma University P.O. Box 378 Jimma Ethiopia

The Co3O4/CuO composite nanopowder (NP) modified carbon paste electrode (MCPE) was prepared and immobilised by sodium dodecyl sulphate (SDS). The electrochemical performance of dopamine (DA) in 0.2 M phosphate buffer solution (PBS) of pH 7.4 at Co3O4/CuO NP MCPE immobilised with SDS (Co3O4/CuO/SDS MCPE) was investigated by cyclic voltammetric technique as well as compared with bare carbon paste electrode (BCPE) and SDS immobilised bare CPE (CPE/SDS). In addition the electrochemical responses of ascorbic acid (AA) and uric acid (UA) were tested separately and simultaneously. The effect of concentration, quantity and immobilisation time of SDS on the Co3O4/CuO NP MCPE for the detection of dopamine was examined and optimum condition was attained for further electrochemical studies. The effect of pH on the oxidation of DA at Co3O4/CuO/SDS MCPE was studied by using different pH of PBS. The obtained slope 0.0498 V/pH from the graph of pH vs. anodic peak potential shows the equal number of protons and electrons are involved in the electrochemical reaction. From the effect of scan rate studies, the slope obtained from the graph of log scan rate (í) vs. the log of anodic peak current (Ipa) shows the adsorption controlled electrode process. The heterogeneous rate constant increases as increase in the scan rate. In the study of DA concentration variation, the limit of detection (LOD) was found to be 0.6 ìM and was contrast with other reported modified electrodes, as well as revealed lower LOD value compare to most of other modified electrodes. In simultaneous determination of DA, AA and UA, the Co3O4/CuO/SDS MCPE shown good separation along with increase in the Ipa compared to BCPE, Co3O4/CuO NP MCPE and CPE/SDS. The Co3O4/CuO/SDS MCPE was effectively tested in DA injection as a real sample analysis and was found to be good percentage recovery values. © 2017 Inderscience Enterprises Ltd.

关键词： Sodium compounds

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Using various metal phthalocyanine mixed with graphite for selective electrodes of electronic tongue to classify several types of hot drink

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Journal of Physics: Conference Series 2018年第1期1144卷 012191-012191页

作者： Jityen, A Osotchan, T Jaisuthi, R Materials Science and Engineering Program School of Materials Science and Innovation Faculty of Science Mahidol University Rama VI Road Bangkok Thailand Department of Physics Faculty of Science and Technology Thammasat University Pathum Thani Thailand

Metal phthalocyanine (MPc) is a metal organic compound which can be formed with several metal atoms at the center. Although MPc has semiconductor property, in order to fabricate the selective electrode for cyclic voltammetry (CV) measurement, the other material with high electrical conductive materials is required to mix in order to achieve sufficient electrochemical current. In this work, graphite powder with particle size less than 20 μm from Sigma-Aldrich Pte. Ltd. was mixed with several MPc powders including cobalt, iron, zinc and manganese phthalocyanine powders in the ratio of 20:1 by weight, respectively. The mixture powder was grinded together to achieve the uniform mixing with some powder size. In order to fabricate the selective working electrodes, the mixture was fill into a hollow Teflon rod with inner copper rod at the other end. During CV measurement, the electrodes indicated the anodic and cathodic peaks at various voltage depending on the type of metal atom of MPc therefore these modified graphite electrodes are suitable to be utilized as a selective probe for electronic tongue system. To demonstrate the classification ability of this electrode array, a variety of hot drink was used including three types of coffee, cocoa and chocolate malt. The hot drink was prepared with boil water and cooled it down to 30 °C before performing the CV measurement by five electrodes. With principle analysis, the extracted feature can separate each data group of five hot drinks and even can distinguish three types of the coffee. Thus, these graphite modified electrodes can be utilized in an electronic tongue application with low cost and high stability.

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Organometal Halide Perovskites: From Nanostructural Evolution to Dynamic Interplay of Constituents: Perspectives for Perovskite Solar Cells (Adv. Mater. 42/2018)

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Advanced materials 2018年第42期30卷

作者： Taehyun Hwang Byungho Lee Jinhyun Kim Sangheon Lee Bumjin Gil Alan Jiwan Yun Byungwoo Park WCU Hybrid Materials Program Department of Materials Science and Engineering Research Institute of Advanced Materials Seoul National University Seoul 08226 Korea

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Magnetism out of antisite disorder in the J=0 compound Ba2YIrO6

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Physical Review B 2017年第14期96卷 144423-144423页

作者： Q. Chen C. Svoboda Q. Zheng B. C. Sales D. G. Mandrus H. D. Zhou J.-S. Zhou D. McComb M. Randeria N. Trivedi J.-Q. Yan Department of Physics and Astronomy University of Tennessee Knoxville Tennessee 37996 USA Department of Physics The Ohio State University Columbus Ohio 43210 USA Materials Science and Technology Division Oak Ridge National Laboratory Oak Ridge Tennessee 37831 USA Department of Materials Science and Engineering University of Tennessee Knoxville Tennessee 37996 USA Materials Science and Engineering Program/Mechanical Engineering University of Texas at Austin Austin Texas 78712 USA Department of Materials Science and Engineering The Ohio State University Columbus Ohio 43210 USA

We systematically investigate the magnetic properties and local structure of Ba2YIrO6 to demonstrate that Y and Ir lattice defects in the form of antiphase boundary or clusters of antisite disorder affect the magnetism observed in this 5d4 compound. The experimental investigation involved comparison of the magnetic properties and atomic imaging of (1) a slow-cooled crystal, (2) a crystal quenched from 900∘C after growth, and (3) a crystal grown using a faster cooling rate during growth than the slow-cooled one. Atomic-scale imaging by scanning transmission electron microscopy (STEM) shows that quenching from 900∘C introduces Ir-rich antiphase boundaries in the crystals, and a faster cooling rate during crystal growth leads to clusters of Y and Ir antisite disorder. Compared to the slow-cooled crystals, Ba2YIrO6 crystals with clusters of antisite defects have a larger effective moment and a larger saturation moment, while quenched crystals with Ir-rich antiphase boundary show a slightly suppressed moment. Our DFT and model magnetic Hamiltonian calculations suggest magnetic condensation is unlikely, as the energy to be gained from superexchange is small compared to the spin-orbit gap. However, once Y is replaced by Ir in the antisite disordered region, the picture of local nonmagnetic singlets breaks down and magnetism can be induced. This is because of (a) enhanced interactions due to increased orbital overlap and (b) increased number of orbitals mediating the interactions. Our work highlights the importance of lattice defects in understanding the experimentally observed magnetism in Ba2YIrO6 and other J=0 systems.

关键词： Defects Magnetic susceptibility DC susceptibility measurements Density functional theory Magnetization measurements Scanning transmission electron microscopy

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Search for Gravitational Waves Associated with Fast Radio Bursts Detected by CHIME/FRB during the LIGO-Virgo Observing Run O3a

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Astrophysical Journal 2023年第2期955卷 155-155页

作者： Abbott, R. Abbott, T.D. Acernese, F. Ackley, K. Adams, C. Adhikari, N. Adhikari, R.X. Adya, V.B. Affeldt, C. Agarwal, D. Agathos, M. Agatsuma, K. Aggarwal, N. Aguiar, O.D. Aiello, L. Ain, A. Ajith, P. Akutsu, T. Albanesi, S. Allocca, A. Altin, P.A. Amato, A. Anand, C. Anand, S. Ananyeva, A. Anderson, S.B. Anderson, W.G. Ando, M. Andrade, T. Andres, N. Andrić, T. Angelova, S.V. Ansoldi, S. Antelis, J.M. Antier, S. Appert, S. Arai, Koya Arai, Y. Araki, S. Araya, A. Araya, M.C. Areeda, J.S. Arène, M. Aritomi, N. Arnaud, N. Aronson, S.M. Arun, K.G. Asada, H. Asali, Y. Ashton, G. Aso, Y. Assiduo, M. Aston, S.M. Astone, P. Aubin, F. Austin, C. Babak, S. Badaracco, F. Bader, M.K.M. Badger, C. Bae, S. Bae, Y. Baer, A.M. Bagnasco, S. Bai, Y. Baiotti, L. Baird, J. Bajpai, R. Ball, M. Ballardin, G. Ballmer, S.W. Balsamo, A. Baltus, G. Banagiri, S. Bankar, D. Barayoga, J.C. Barbieri, C. Barish, B.C. Barker, D. Barneo, P. Barone, F. Barr, B. Barsotti, L. Barsuglia, M. Barta, D. Bartlett, J. Barton, M.A. Bartos, I. Bassiri, R. Basti, A. Bawaj, M. Bayley, J.C. Baylor, A.C. Bazzan, M. Bécsy, B. Bedakihale, V.M. Bejger, M. Belahcene, I. Benedetto, V. Beniwal, D. Bennett, T.F. Bentley, J.D. BenYaala, M. Bergamin, F. Berger, B.K. Bernuzzi, S. Berry, C.P.L. Bersanetti, D. Bertolini, A. Betzwieser, J. Beveridge, D. Bhandare, R. Bhardwaj, U. Bhattacharjee, D. Bhaumik, S. Bilenko, I.A. Billingsley, G. Bini, S. Birney, R. Birnholtz, O. Biscans, S. Bischi, M. Biscoveanu, S. Bisht, A. Biswas, B. Bitossi, M. Bizouard, M.-A. Blackburn, J.K. Blair, C.D. Blair, D.G. Blair, R.M. Bobba, F. Bode, N. Boer, M. Bogaert, G. Boldrini, M. Bonavena, L.D. Bondu, F. Bonilla, E. Bonnand, R. Booker, P. Boom, B.A. Bork, R. Boschi, V. Bose, N. Bose, S. Bossilkov, V. Boudart, V. Bouffanais, Y. Boumerdassi, A. Bozzi, A. Bradaschia, C. Brady, P.R. Bramley, A. Branch, A. Branchesi, M. Brau, J.E. Breschi, M. Briant, T. Briggs, J.H. Brillet, A. Brinkmann, M. Brockill, P. Brooks, A.F. Brooks, J. Brown, D.D. Brunett, S. Bruno, G. Bruntz, R. Bryant, J. Buchanan, J. B LIGO Laboratory California Institute of Technology Pasadena 91125 CA United States Louisiana State University Baton Rouge 70803 LA United States Dipartimento di Farmacia Università di Salerno Fisciano Salerno I-84084 Italy INFN Sezione di Napoli Complesso Universitario di Monte S. Angelo Napoli I-80126 Italy OzGrav School of Physics & Astronomy Monash University Clayton 3800 VIC Australia LIGO Livingston Observatory Livingston 70754 LA United States University of Wisconsin-Milwaukee Milwaukee 53201 WI United States OzGrav Australian National University Canberra 0200 ACT Australia Max Planck Institute for Gravitational Physics (Albert Einstein Institute) Hannover D-30167 Germany Leibniz Universität Hannover Hannover D-30167 Germany Inter-University Centre for Astronomy and Astrophysics Pune 411007 India University of Cambridge Cambridge CB2 1TN United Kingdom Theoretisch-Physikalisches Institut Friedrich-Schiller-Universität Jena Jena D-07743 Germany University of Birmingham Birmingham B15 2TT United Kingdom Center for Interdisciplinary Exploration & Research in Astrophysics (CIERA) Northwestern University Evanston 60208 IL United States Instituto Nacional de Pesquisas Espaciais São Paulo São José dos Campos 12227-010 Brazil Gravity Exploration Institute Cardiff University Cardiff CF24 3AA United Kingdom INFN Sezione di Pisa Pisa I-56127 Italy International Centre for Theoretical Sciences Tata Institute of Fundamental Research Bengaluru 560089 India Gravitational Wave Science Project National Astronomical Observatory of Japan (NAOJ) Mitaka City Tokyo 181-8588 Japan Advanced Technology Center National Astronomical Observatory of Japan (NAOJ) Mitaka City Tokyo 181-8588 Japan INFN Sezione di Torino Torino I-10125 Italy Università di Napoli “Federico II Complesso Universitario di Monte S. Angelo Napoli I-80126 Italy Université de Lyon Université Claude Bernard Lyon 1 CNRS Institut Lumière Matière Villeurbanne F-69622

We search for gravitational-wave (GW) transients associated with fast radio bursts (FRBs) detected by the Canadian Hydrogen Intensity Mapping Experiment Fast Radio Burst Project, during the first part of the third observing run of Advanced LIGO and Advanced Virgo (2019 April 1 15:00 UTC-2019 October 1 15:00 UTC). Triggers from 22 FRBs were analyzed with a search that targets both binary neutron star (BNS) and neutron star-black hole (NSBH) mergers. A targeted search for generic GW transients was conducted on 40 FRBs. We find no significant evidence for a GW association in either search. Given the large uncertainties in the distances of our FRB sample, we are unable to exclude the possibility of a GW association. Assessing the volumetric event rates of both FRB and binary mergers, an association is limited to 15% of the FRB population for BNS mergers or 1% for NSBH mergers. We report 90% confidence lower bounds on the distance to each FRB for a range of GW progenitor models and set upper limits on the energy emitted through GWs for a range of emission scenarios. We find values of order 10⁵¹-10⁵⁷ erg for models with central GW frequencies in the range 70-3560 Hz. At the sensitivity of this search, we find these limits to be above the predicted GW emissions for the models considered. We also find no significant coincident detection of GWs with the repeater, FRB 20200120E, which is the closest known extragalactic FRB. © 2023. The Author(s). Published by the American Astronomical Society.

关键词： Gravitational wave astronomy Radio transient sources

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Author Correction: 3D biodegradable scaffolds of polycaprolactone with silicate-containing hydroxyapatite microparticles for bone tissue engineering: high-resolution tomography and in vitro study

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Scientific reports 2018年第1期8卷 17589页

作者： Svetlana Shkarina Roman Shkarin Venera Weinhardt Elizaveta Melnik Gabriele Vacun Petra J Kluger Kateryna Loza Matthias Epple Sergei I Ivlev Tilo Baumbach Maria A Surmeneva Roman A Surmenev Research Center "Physical Materials Science and Composite Materials" National Research Tomsk Polytechnic University 634050 Tomsk Russian Federation. Institute for Photon Science and Synchrotron Radiation Karlsruhe Institute of Technology Eggenstein-Leopoldshafen Germany. Laboratory for Applications of Synchrotron Radiation Karlsruhe Institute of Technology Eggenstein-Leopoldshafen Germany. Institute for Applied Computer Science Karlsruhe Institute of Technology Karlsruhe Germany. Centre for Organismal Studies University of Heidelberg Heidelberg Germany. Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB Stuttgart Germany. Reutlingen University Reutlingen Germany. Inorganic Chemistry and Center for Nanointegration Duisburg-Essen (CeNIDE) University of Duisburg-Essen Essen Germany. Fachbereich Chemie Philipps-Universität Marburg Marburg Germany. Research Center "Physical Materials Science and Composite Materials" National Research Tomsk Polytechnic University 634050 Tomsk Russian Federation. feja-mari@yandex.ru. Research Center "Physical Materials Science and Composite Materials" National Research Tomsk Polytechnic University 634050 Tomsk Russian Federation. rsurmenev@mail.ru.

A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has been fixed in the paper.

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Spinel MnCo2O4 nanoparticles cross-linked with two-dimensional porous carbon nanosheets as a high-efficiency oxygen reduction electrocatalyst

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Nano Research 2016年第7期9卷 2110-2122页

作者： Gengtao Fu Zhenyuan Liu Jingfei Zhang Jiayan Wu Lin Xu Dongmei Sun Jubing Zhang Yawen Tang Pei Chen Jiangsu Key Laboratory of New Power Batteries Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials School of Chemistry and Materials Science Nanjing Normal University Nanjing 210023 China Key Laboratory of Applied Surface and Colloid Chemistry (MOE) School of Materials Science and Engineering Shaanxi Normal University Xi'an 710062 China Materials Science and Engineering Program & Texas Materials Institute the University of Texas atAustin Austin Texas 78712 USA

Catalysts for the oxygen reduction reaction （ORR） play an important role in fuel cells. Alternative non-precious metal catalysts with comparable ORR activity to Pt-based catalysts are highly desirable for the development of fuel cells. In this work, we report for the first time a spinel MnC0204/C ORR catalyst consisting of uniform MnC0204 nanoparticles cross-linked with two-dimensional （2D） porous carbon nanosheets （abbreviated as porous MnC0204/C nanosheets）, in which glucose is used as the carbon source and NaC1 as the template. The obtained porous MnCo204/C nanosheets present the combined properties of an interconnected porous architecture and a large surface area （175.3 m2-g-1）, as well as good electrical conductivity （1.15 x 102 ***-1）. Thus, the as-prepared MnC0204/C nanosheets efficiently facilitate electrolyte diffusion and offer an expedite transport path for reactants and electrons during the ORR. As a result, the as-prepared porous MnC0204/C nanosheet catalyst exhibits enhanced ORR activity with a higher onset potential and current density than those of its counterparts, including pure MnC0204, carbon nanosheets, and Vulcan XC-72R carbon. More importantly, the porous MnC0204/C nanosheets exhibit a com- parable electrocatalytic activity but superior stability and tolerance toward methanol crossover effects than a high-performance Pt/C catalyst in alkaline medium. The synthetic strategy outlined here can be extended to other non- precious metal catalysts for application in electrochemical energy conversion.

关键词： spinel SnCo2O4 carbon porous nanosheets electrocatalysis oxygen reduction reaction

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Electric Double Layer: A Desolvated Solid–Solid Interface for a High‐Capacitance Electric Double Layer (Adv. Energy Mater. 12/2019)

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Advanced Energy materials 2019年第12期9卷

作者： Yu‐Zuo Wang Xu‐Yi Shan Li‐Po Ma Jia‐Wei Wang Da‐Wei Wang Zhang‐Quan Peng Hui‐Ming Cheng Feng Li Shenyang National Laboratory for Materials Science Institute of Metal Research Chinese Academy of Sciences Shenyang 110016 China Key Laboratory for Anisotropy and Texture of Materials Northeastern University Shenyang 110819 China State Key Laboratory of Electroanalytical Chemistry Changchun Institute of Applied Chemistry Chinese Academy of Sciences Changchun 130022 China School of Chemical Engineering The University of New South Wales Sydney NSW 2052 Australia Tsinghua‐Berkeley Shenzhen Institute Tsinghua University Shenzhen 518055 China Center of Excellence in Environmental Studies King Abdulaziz University Jeddah 21589 Saudi Arabia School of Materials Science and Engineering University of Science and Technology of China Hefei 230026 China

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