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arXiv 2017年

作者： Kocsis, V. Penc, K. Rõõm, T. Nagel, U. Vít, J. Romhányi, J. Tokunaga, Y. Taguchi, Y. Tokura, Y. Kézsmárki, I. Bordács, S. Wako Saitama351-0198 Japan Department of Physics Budapest University of Technology and Economics and MTA-BME Lendület Magneto-optical Spectroscopy Research Group Budapest1111 Hungary Institute for Solid State Physics and Optics Wigner Research Centre for Physics Hungarian Academy of Sciences P.O.B. 49 BudapestH-1525 Hungary National Institute of Chemical Physics and Biophysics Tallinn12618 Estonia Institute of Physics ASCR Na Slovance 2 Prague 8182 21 Eue Faculty of Nuclear Science and Physical Engineering Czech Technical University Břehová 7 Prague 1115 19 Eue Okinawa Institute of Science and Technology Graduate University Onna-sonOkinawa904-0395 Japan Department of Advanced Materials Science University of Tokyo Kashiwa277-8561 Japan Quantum-Phase Electronics Center Department of Applied Physics University of Tokyo Tokyo113-8656 Japan Department of Applied Physics University of Tokyo Hongo Tokyo113-8656 Japan Experimental Physics 5 Center for Electronic Correlations and Magnetism Institute of Physics University of Augsburg Augsburg86159 Germany Hungarian Academy of Sciences Premium Postdoctor Program Budapest1051 Hungary

The ultimate goal of multiferroic research is the development of new-generation non-volatile memory devices1, the so-called magnetoelectric (ME) memories, where magnetic bits are controlled via electric fields without the application of electrical currents subject to dissipation. This low-power operation exploits the entanglement of the magnetization and the electric polarization coexisting in multiferroic materials2,3. Here we demonstrate the optical readout of ME memory states in the antiferromagnetic (AFM) and antiferroelectric (AFE) LiCoPO4, based on the strong absorption difference of THz radiation between its two types of ME domains. This unusual contrast is attributed to the dynamic ME effect of the spin-wave excitations, as confirmed by our microscopic model, which also captures the characteristics of the observed static ME effect. Our proof-of-principle study, demonstrating the control and the optical readout of ME domains in LiCoPO4, lays down the foundation for future ME memory devices based on antiferroelectric-antiferromagnetic insulators. Copyright © 2017, The Authors. All rights reserved.

关键词： Digital storage

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Recent innovations in material research

Recent innovations in material research

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作者： Cai, W.J. Chen, D. Hu, H. Huang, X.P. Khotsyanovskii, A.O. Li, X.S. Silva, F.J.G. Yao, S.H. Zheng, H.N. Department of Chemical Materials and Biomolecular Engineering University of Connecticut United States School of Engineering and Applied Science Harvard University United States Department of Mechanical Automotive and Materials Engineering University of Windsor Canada Department of Mechanical Engineering Massachusetts Institute of Technology United States Pisarenko Institute of Problems of Strength National Academy of Sciences of Ukraine Ukraine Mechanical Engineering Department ISEP School of Engineering Polytechnic of Porto Portugal Bachelor Degree Program in Technology Management Chang Jung Christian University Taiwan

The new trends and developments in the novel functional materials and material research innovations presented at the 3rd Global Conference on materials science and engineering (CMSE2014), which was held on 20-23 October 2014 in Shanghai, China, is discussed. R. Toyoda, M. Tawata, M. Hashimoto, and Y. Matsumura presented 'Internal stress control of transition-metal thin films', where the effects of ion bombardment parameter Pi on the internal stress of thin films were evaluated. X.G. Wang, Z.L. Chen, and X.Y. Wang presented their study 'Measurement of the interface characteristic based on ultrasonic longitudinal wave', which provided a lucrative alternative to conventional ultrasonic techniques, since it allows one to avoid the mutual superposition of reflected waves at the same thin coating interface. P. Wang and C.Y. Zhao presented their 'Study on reducing railway noise by porous concrete sound-absorbing panel', which is crucial for noise reduction near the railway lines. In the paper entitled 'Numerical study on the heat preservation of the ladle used for twin-roll strip casting', J.H. Dong, M. Chen and N. Wang developed a 3D mathematical model, in order to analyze the heat transfer and temperature drop on the ladle using the finite volume method.

关键词： Finite volume method

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The Mpemba effect in spin glasses is a persistent memory effect

arXiv

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arXiv 2018年

作者： Baity-Jesi, Marco Calore, Enrico Cruz, Andres Fernandez, Luis Antonio Gil-Narvión, José Miguel Gordillo-Guerrero, Antonio Iñiguez, David Lasanta, Antonio Maiorano, Andrea Marinari, Enzo Martin-Mayor, Victor Moreno-Gordo, Javier Sudupe, Antonio Muñoz Navarro, Denis Parisi, Giorgio Perez-Gaviro, Sergio Ricci-Tersenghi, Federico Ruiz-Lorenzo, Juan Jesus Schifano, Sebastiano Fabio Seoane, Beatriz Tarancón, Alfonso Tripiccione, Raffaele Yllanes, David Department of Chemistry Columbia University New YorkNY10027 United States Zaragoza50018 Spain Dipartimento di Fisica e Scienze della Terra Università di Ferrara e INFN Sezione di Ferrara FerraraI-44122 Italy Departamento de Física Teórica Universidad de Zaragoza Zaragoza50009 Spain Departamento de Física Teórica Universidad Complutense Madrid28040 Spain Departamento de Ingeniería Eléctrica Electrónica y Automática U. de Extremadura Cáceres10003 Spain Universidad de Extremadura Badajoz06006 Spain Fundación ARAID Diputación General de Aragón Zaragoza Spain Institute of Fluid Dynamics Nanoscience and Industrial Mathematics Department of Materials Science and Engineering and Chemical Engineering Universidad Carlos III de Madrid Leganés28911 Spain Dipartimento di Fisica Sapienza Università di Roma RomeI-00185 Italy Dipartimento di Fisica Sapienza Università di Roma INFN Sezione di Roma 1 CNR-Nanotec RomeI-00185 Italy Departamento de Ingeniería Electrónica y Comunicaciones and I3A U. de Zaragoza Zaragoza50018 Spain Centro Universitario de la Defensa Carretera de Huesca s/n Zaragoza50090 Spain Departamento de Física Universidad de Extremadura Badajoz06006 Spain Dipartimento di Matematica e Informatica Università di Ferrara e INFN Sezione di Ferrara FerraraI-44122 Italy Sorbonne Universités CNRS IBPS Laboratoire de Biologie Computationnelle et Quantitative - UMR 7238 qSorbonne Universités Institut des Sciences du Calcul et des Données 4 place Jussieu Paris75005 France Department of Physics and Soft and Living Matter Program Syracuse University SyracuseNY13244 Chan Zuckerberg Biohub San FranciscoCA94158 United States

The Mpemba effect occurs when a hot system cools faster than an initially colder one, when both are refrigerated in the same thermal reservoir. Using the custom built supercomputer Janus II, we study the Mpemba effect in spin glasses and show that it is a nonequilibrium process, governed by the coherence length ξ of the system. The effect occurs when the bath temperature lies in the glassy phase, but it is not necessary for the thermal protocol to cross the critical temperature. In fact, the Mpemba effect follows from a strong relationship between the internal energy and ξ that turns out to be a sure-tell sign of being in the glassy phase. Thus, the Mpemba effect presents itself as an intriguing new avenue for the experimental study of the coherence length in supercooled liquids and other glass formers. Copyright © 2018, The Authors. All rights reserved.

关键词： Supercooling

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Review Article: Recommended reading list of early publications on atomic layer deposition - Outcome of the "virtual Project on the History of ALD"

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Journal of Vacuum science and Technology A: Vacuum, Surfaces and Films 2017年第1期35卷

作者： Ahvenniemi, Esko Akbashev, Andrew R. Ali, Saima Bechelany, Mikhael Berdova, Maria Boyadjiev, Stefan Cameron, David C. Chen, Rong Chubarov, Mikhail Cremers, Veronique Devi, Anjana Drozd, Viktor Elnikova, Liliya Gottardi, Gloria Grigoras, Kestutis Hausmann, Dennis M. Hwang, Cheol Seong Jen, Shih-Hui Kallio, Tanja Kanervo, Jaana Khmelnitskiy, Ivan Kim, Do Han Klibanov, Lev Koshtyal, Yury Krause, A. Outi I. Kuhs, Jakob Kärkkänen, Irina Kääriäinen, Marja-Leena Kääriäinen, Tommi Lamagna, Luca Lapicki, Adam A. Leskelä, Markku Lipsanen, Harri Lyytinen, Jussi Malkov, Anatoly Malygin, Anatoly Mennad, Abdelkader Militzer, Christian Molarius, Jyrki Norek, Malgorzata Özgit-Akgün, Çaǧla Panov, Mikhail Pedersen, Henrik Piallat, Fabien Popov, Georgi Puurunen, Riikka L. Rampelberg, Geert Ras, Robin H. A. Rauwel, Erwan Roozeboom, Fred Sajavaara, Timo Salami, Hossein Savin, Hele Schneider, Nathanaelle Seidel, Thomas E. Sundqvist, Jonas Suyatin, Dmitry B. Törndahl, Tobias Van Ommen, J. Ruud Wiemer, Claudia Ylivaara, Oili M. E. Yurkevich, Oksana Department of Chemistry Aalto University P.O. Box 16100 EspooFI-00076 Finland Department of Materials Science and Engineering Stanford University StanfordCA94305 United States Department of Materials Science and Engineering Aalto University School of Chemical Technology P.O. Box 16200 AaltoFI-00076 Finland Institut Européen des Membranes IEM UMR-5635 Université de Montpellier ENSCM CNRS Place Eugène Bataillon Montpellier Cedex 5F-34095 France Industrial Focus Group XUV Optics University of Twente Enschede7522 ND Netherlands Institute of Solid State Physics Bulgarian Academy of Sciences 72 Tzarigradsko chaussee blvd. Sofia1784 Bulgaria CEPLANT Masaryk University Kotlářská 267/2 Brno611 37 Czech Republic School of Mechanical Science and Engineering School of Optical and Electronic Information Huazhong University of Science and Technology 1037 Luoyu Road Wuhan Hubei430074 China Univ. Grenoble Alpes CNRS SIMAP GrenobleF-38000 France Department of Solid State Sciences CoCooN Ghent University Krijgslaan 281/S1 Ghent9000 Belgium Inorganic Materials Chemistry Ruhr University Bochum Bochum44801 Germany Institute of Chemistry St.-Petersburg State University Universitetskaya emb. 7/9 St.-Petersburg199034 Russia Institute for Theoretical and Experimental Physics Bolshaya Cheremushkinskaya 25 Moscow117218 Russia Fondazione Bruno Kessler Center for Materials and Microsystems Trento38123 Italy VTTFI-02044 Finland Lam Research Corporation TualatinOR97062 United States Department of Materials Science and Engineering Inter-university Semiconductor Research Center College of Engineering Seoul National University Seoul08826 Korea Republic of Globalfoundries AlbanyNY12203 United States Department of Chemistry School of Chemical Engineering Aalto University P.O. Box 16100 AaltoFI-00076 Finland Åbo Akademi TurkuFI-20500 Finland Research and Education Center Nanotechnology Saint Petersburg Electrotechnical University LETI ul. Professora

Atomic layer deposition (ALD), a gas-phase thin film deposition technique based on repeated, self-terminating gas-solid reactions, has become the method of choice in semiconductor manufacturing and many other technological areas for depositing thin conformal inorganic material layers for various applications. ALD has been discovered and developed independently, at least twice, under different names: atomic layer epitaxy (ALE) and molecular layering. ALE, dating back to 1974 in Finland, has been commonly known as the origin of ALD, while work done since the 1960s in the Soviet Union under the name "molecular layering" (and sometimes other names) has remained much less known. The virtual project on the history of ALD (VPHA) is a volunteer-based effort with open participation, set up to make the early days of ALD more transparent. In VPHA, started in July 2013, the target is to list, read and comment on all early ALD academic and patent literature up to 1986. VPHA has resulted in two essays and several presentations at international conferences. This paper, based on a poster presentation at the 16th International Conference on Atomic Layer Deposition in Dublin, Ireland, 2016, presents a recommended reading list of early ALD publications, created collectively by the VPHA participants through voting. The list contains 22 publications from Finland, Japan, Soviet Union, United Kingdom, and United States. Up to now, a balanced overview regarding the early history of ALD has been missing;the current list is an attempt to remedy this deficiency. © 2016 Author(s).

关键词： Atomic layer deposition

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Slater Insulator in Iridate Perovskites with Strong Spin-Orbit Coupling

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Physical Review Letters 2016年第17期117卷 176603-176603页

作者： Q. Cui J.-G. Cheng W. Fan A. E. Taylor S. Calder M. A. McGuire J.-Q. Yan D. Meyers X. Li Y. Q. Cai Y. Y. Jiao Y. Choi D. Haskel H. Gotou Y. Uwatoko J. Chakhalian A. D. Christianson S. Yunoki J. B. Goodenough J.-S. Zhou Beijing National Laboratory for Condensed Matter Physics and Institute of Physics Chinese Academy of Sciences Beijing 100190 China Materials Science and Engineering Program University of Texas at Austin Austin Texas 78712 USA Computational Condensed Matter Physical Laboratory RIKEN Wako Saitama 351-0198 Japan Quantum Condensed Matter Division Oak Ridge National Laboratory Tennessee 37831 USA Materials Science and Technology Division Oak Ridge National Laboratory Tennessee 37831 USA Department of Materials Science and Engineering University of Tennessee Knoxville Tennessee 37996 USA Department of Physics University of Arkansas Fayetteville Arkansas 72701 USA Advanced Photon Source Argonne National Laboratory Argonne Illinois 60439 USA Institute for Solid State Physics University of Tokyo 5-1-5 Kashiwanoha Chiba 277-8581 Japan Department of Physics and Astronomy Rutgers University 136 Frelinghuysen Road Piscataway New Jersey 08854 USA Department of Physics and Astronomy University of Tennessee Knoxville Tennessee 37966 USA Computational Materials Science Research Team RIKEN Advanced Institute for Computational Science (AICS) Kobe Hyogo 650-0047 Japan Computational Quantum Matter Research Team RIKEN Center for Emergent Matter Science (CEMS) Wako Saitama 351-0198 Japan

The perovskite SrIrO3 is an exotic narrow-band metal owing to a confluence of the strengths of the spin-orbit coupling (SOC) and the electron-electron correlations. It has been proposed that topological and magnetic insulating phases can be achieved by tuning the SOC, Hubbard interactions, and/or lattice symmetry. Here, we report that the substitution of nonmagnetic, isovalent Sn4+ for Ir4+ in the SrIr1−xSnxO3 perovskites synthesized under high pressure leads to a metal-insulator transition to an antiferromagnetic (AF) phase at TN≥225 K. The continuous change of the cell volume as detected by x-ray diffraction and the λ-shape transition of the specific heat on cooling through TN demonstrate that the metal-insulator transition is of second order. Neutron powder diffraction results indicate that the Sn substitution enlarges an octahedral-site distortion that reduces the SOC relative to the spin-spin exchange interaction and results in the type-G AF spin ordering below TN. Measurement of high-temperature magnetic susceptibility shows the evolution of magnetic coupling in the paramagnetic phase typical of weak itinerant-electron magnetism in the Sn-substituted samples. A reduced structural symmetry in the magnetically ordered phase leads to an electron gap opening at the Brillouin zone boundary below TN in the same way as proposed by Slater.

关键词： Metal-insulator transition Spin-orbit coupling Iridates Perovskites

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Nonlinear Conversion Using Fano-Resonant All-Dielectric Metasurfaces

Nonlinear Conversion Using Fano-Resonant All-Dielectric Meta...

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Nonlinear Optics, NLO 2015

作者： Yang, Yuanmu Boulesbaa, Abdelaziz Kravchenko, Ivan I. Briggs, Dayrl P. Puretzky, Alexander Geohegan, David Valentine, Jason Interdisciplinary Materials Science Program Vanderbilt University NashvilleTN37212 United States Center for Nanophase Materials Sciences Oak Ridge National Laboratory Oak RidgeTN37831 United States Department of Mechanical Engineering Vanderbilt University NashvilleTN37212 United States

We present an experimental demonstration of third harmonic generation from Fano-resonant all-dielectric metasurfaces. The metasurfaces have a conversion enhancement factor of 1.5×105 and an absolute conversion ef... 详细信息

ISBN: (纸本)9781557520012

关键词： Fano resonance Localized surface plasmon resonance Mie resonances Nonlinear effects Resonance enhancement Third harmonic generation

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All-dielectric metasurfaces 11

All-dielectric metasurfaces

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11th Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2015

作者： Yang, Yuanmu Moitra, Parikshit Kravchenko, Ivan. I. Briggs, Daryl. P. Valentine, Jason Interdisciplinary Materials Science Program Vanderbilt University NashvilleTN37212 United States Center for Nanophase Materials Sciences Oak Ridge National Laboratory Oak RidgeTN37831 United States Department of Mechanical Engineering Vanderbilt University NashvilleTN37212 United States

In this talk, I will discuss our recent efforts to develop purely dielectric metamaterials possessing low absorption loss at optical frequencies. I will discuss implementations ranging from wavefront control to high Q... 详细信息

ISBN: (纸本)9781467371094

关键词： Q factor measurement

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Publisher Correction: Alpha-synuclein facilitates to form short unconventional microtubules that have a unique function in the axonal transport

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Scientific reports 2018年第1期8卷 8019页

作者： Shiori Toba Mingyue Jin Masami Yamada Kanako Kumamoto Sakiko Matsumoto Takuo Yasunaga Yuko Fukunaga Atsuo Miyazawa Sakiko Fujita Kyoko Itoh Shinji Fushiki Hiroaki Kojima Hideki Wanibuchi Yoshiyuki Arai Takeharu Nagai Shinji Hirotsune Department of Genetic Disease Research Osaka City University Graduate School of Medicine Asahi-machi 1-4-3 Abeno Osaka 545-8585 Japan. Department of Bioscience and Bioinformatics Faculty of Computer Science and Systems Engineering Kyushu Institute of Technology Kawazu 680-4 Iizuka Fukuoka 820-850 Japan. JST-SENTAN 4-1-8 Honcho Kawaguchi Saitama 332-0012 Japan. JST-CREST 4-1-8 Honcho Kawaguchi Saitama 332-0012 Japan. Graduate School of Life Science University of Hyogo 3-2-1 Kouto Kamigori-cho Ako-gun Hyogo 678-1297 Japan. RSC-University of Hyogo Leading Program Center RIKEN SPring-8 Center 1-1-1 Kouto Sayo-cho Sayo-gun Hyogo 679-5148 Japan. Graduate School of Materials Science Nara Institute of Science and Technology 8916-5 Takayama Ikoma Nara 630-0101 Japan. Department of Pathology and Applied Neurobiology Kyoto Prefectural University of Medicine Graduate School of Medical Sciences Kajii-cho Kawaramachi-Hirokoji Kamigyo-ku Kyoto 602-8566 Japan. Advanced ICT Research Institute National Institute of Information and Communications Technology 588-2 Iwaoka Nishi-ku Kobe 651-2492 Japan. Department of Pathology Osaka City University Graduate School of Medicine Asahi-machi 1-4-3 Abeno Osaka 545-8586 Japan. Department of Biomolecular Science and Engineering Institute of Scientific and Industrial Research Osaka University Mihoga-oka 8-1 Osaka 567-0047 Japan. Department of Genetic Disease Research Osaka City University Graduate School of Medicine Asahi-machi 1-4-3 Abeno Osaka 545-8585 Japan. shinjih@med.osaka-cu.ac.jp.

A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has not been fixed in the paper.

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Conducting Composites: Clay‐Graphene Nanoplatelets Functional Conducting Composites (Adv. Funct. Mater. 41/2016)

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Advanced Functional materials 2016年第41期26卷

作者： Eduardo Ruiz‐Hitzky Maria Madalena C. Sobral Almudena Gómez‐Avilés Claudia Nunes Cristina Ruiz‐García Paula Ferreira Pilar Aranda Materials Science Institute of Madrid CSIC c/Sor Juana Inés de la Cruz 3 Cantoblanco 28049 Madrid Spain CICECO – Aveiro Institute of Materials Department of Materials and Ceramic Engineering University of Aveiro 3810‐193 Aveiro Portugal Chemical Engineering Section Faculty of Sciences UAM Cantoblanco 28049 Madrid Spain

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Microstructure and Thermal Conductivity of Porous Al2 O3-ZrO2 ceramics 58th

Microstructure and Thermal Conductivity of Porous Al2 O3-ZrO...

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58th Brazilian ceramic Conference, CBC 2014

作者： Delbrücke, Tiago Gouvêa, Rogério A. Raubach, Cristiane W. Longo, Elson Sousa, Vânia C. M.tebcheranic, Sergio Kubaski, Evaldo T. Moreira, Mário L. Jurado, Jose R. Cava, Sergio Graduate Program in Science and Materials Engineering Technology Development Center Federal University of Pelotas RS Pelotas96010-900 Brazil Laboratory of Biomaterials & Advanced Ceramics Federal University of Rio Grande do Sul RS Porto Alegre91509-900 Brazil Interdisciplinary Laboratory of Ceramic Materials Ponta Grossa State University PR Ponta Grossa84030-900 Brazil National Institute of Science and Technology of Materials in Nanotechnology Paulista State University SP Araraquara14801-907 Brazil Glass Department Institute of Glass and Ceramic Madrid28049 Spain Institute of Physics and Mathematics Federal University of Pelotas RS Pelotas96010-900 Brazil

The improvement on the development of porous ceramic materials has leaded to new technologies in thermal insulation, for example, composite materials for better performance of pressure vessels in rocket engines. Within this context, the present work aims to evaluate the ability of a refractory ceramic base alumina/zirconia through the processes of co-precipitation and replica method in an organic fiber template. The green body was burnt-out and sintered at 1200-1600°C to obtain the continuous porous ceramic fibers. In the FEG-SEM analysis, an interconnected porous structure with small grains was observed. The crystalline phases were determined by X-ray diffraction and compared to micro-Raman results regarding the crystalline structure confirms that there present in the material zirconia is composed of more than one phase. Porosity was calculated through a mercury porosimeter as 77.9%, and the Laser Flash method gave a thermal conductivity value of 1.61 K W.m−1 .K−1 for the Al2 O3-ZrO2 fibers. © 2015 Trans Tech Publications Ltd, Switzerland.

关键词： Porosity

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