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A nonlinear magnonic nano-ring resonator

npj Computational Materials 2020年第1期6卷 69-75页

作者： Qi Wang Abbass Hamadeh Roman verba v.taliy lomakin Morteza Mohseni Burkard Hillebrands Andrii v.Chumak Philipp Pirro Fachbereich Physik and Landesforschungszentrum OPTIMAS Technische Universität KaiserslauternD-67663 KaiserslauternGermany Faculty of Physics University of ViennaBoltzmanngasse 5A-1090 ViennaAustria Multi-Disciplinary Physics Laboratory Faculty of SciencesLebanese UniversityBeirutLebanon Institute of Magnetism Kyiv 03142Ukraine Center for Magnetic Research University of California at San DiegoLa JollaCAUSA

The field of magnonics,which aims at using spin waves as carriers in data-processing devices,has attracted increasing interest in recent *** present and study micromagnetically a nonlinear nanoscale magnonic ring resonator device for enabling implementations of magnonic logic gates and neuromorphic magnonic *** the linear regime,this device efficiently suppresses spin-wave transmission using the phenomenon of critical resonant coupling,thus exhibiting the behavior of a notch *** increasing the spin-wave input power,the resonance frequency is shifted,leading to transmission curves,depending on the frequency,reminiscent of the activation functions of neurons,or showing the characteristics of a power *** analytical theory is developed to describe the transmission curve of magnonic ring resonators in the linear and nonlinear regimes,and is validated by a comprehensive micromagnetic *** proposed magnonic ring resonator provides a multi-functional nonlinear building block for unconventional magnonic circuits.

关键词： nonlinear magnon resonant

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Spontaneous Changes of Solid 5,7-di-<i>tert</i>-butylspiro(2,5)octa-4,7-diene-6-one in Storage Conditions at Room Temperature

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Advances in Chemical Engineering and Science 2015年第3期5卷 299-304页

作者： Alexandre A. volodkin Gennady E. Zaikov Lydia N. Kurkovskaja Sergey M. lomakin Irina M. Levina Elena v. Koverzanova Federal State Budgetary Establishment of a Science of Institute of Biochemical Physics of N. M. Emanuelja of Russian Academy of Sciences Moscow Russia Federal State Budgetary Establishment of a Science of Institute of Chemical Physics of N. N. Semenov of Russian Academy of Sciences Moscow Russia

On an example of spontaneous changes 5,7-di-tert-butylspiro (2,5) octa-4,7-diene-6-one at room temperature, a new example of condensations in a solid station is opened. The single crystal of 2-(3’, 5'-di-tert-butyl-4'-hydroxy-phenyl)-ethyloxy-p-cresole is produced as result of a structure transformation 5,7-di-tert-butylspiro (2,5) octa-4,7-diene-6-one in a solid phase at room temperature except a single crystal at transformation 5,7-di-tert-butylspiro (2,5) octa-4,7-diene-6-one a new substance is formed too. Spectrums 1Н and 13С NMR differ from similar spectrums of initial compound and the single crystal. New substance represents an admixture of isomeric compounds, capable reversible to be transformed in initial 5,7-di-tert-butylspiro(2,5) octa-4,7-diene-6-one and 2-(3’, 5'-di-tert-butyl-4'-hydroxyphenyl)-ethyloxy-p-cresole.

关键词： Solid-Phase Reactions 5 7-Di-tert-butylspiro(2 5)octa-4 7-diene-6-one 2-(3’ 5'-di-tert-butyl-4'-hydroxyphenyl)-ethyloxy-p-cresole NMR and IR Spectroscopy

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Effect of Temperature on the Reaction of 2-(N-acetylamine)-3-(3,5-di-<i>tert</i>-butyl-4-hydroxyphenyl)-propionic Acid with Oxygen in an Alkaline Condition

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Advances in Chemical Engineering and Science 2015年第3期5卷 262-269页

作者： A. A. volodkin G. E. Zaikov L. N. Kurkovskaja S. M. lomakin I. M. Levina E. v. Koverzanova Federal State Budgetary Establishment of a Science of Institute of Biochemical Physics of N. M. Emanuelja of Russian Academy of Sciences Moscow Russia Federal State Budgetary Establishment of a Science of Institute of Chemical Physics of N. N. Semenov of Russian Academy of Sciences Moscow Russia

Results of oxidation 2-(N-acetylamine)-3-(3,5-di-tert-butyl-4-hydroxyphenyl)-propionic acid oxygen depend on temperature. At 55℃?- 60℃, 2,4-di-tert-butylbicyclo(4,3,1)deca-4,6-dien-8-(N-acetylamine)-3,9-dion-1-oxa is formed. The constitution is based on dates of spectrums 1Н and 13С NMR. At 95℃?- 97℃, mixtures of 2,4-di-tert-butylbicyclo(4,3,1)deca-4,6-dien-8-(N-acetylamine)-3,9-dion-1-oxa and of 6,8-di-tert-butyl-3-(N-acetylamine)spiro(4,5)deca-1-oxa-5,8-dien-2,7-dione are produced. Structures are calculated by the method of Hartrii-Foka. values of enthalpies and of entropies allow to assume dynamic isomerism.

关键词： 2-(N-acetylamine)-3-(3 5-di-tert-butyl-4-hydroxyphenyl)-propionic Acid 6 8-di-tert-butyl-3-(N-acetylamine)spiro(4 5)deca-1-oxa-5 8-dien-2 7-dione Oxidation by Oxygen 2 4-Di-tert-butylbicyclo(4 3 1)deca-4 6-dien-8-(N-acetylamine)-3 9-dion-1-oxa NMR-Spectroscopy

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Author Correction:A nonlinear magnonic nano-ring resonator

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npj Computational Materials 2021年第1期7卷 239-239页

作者： Qi Wang Abbass Hamadeh Roman verba v.taliy lomakin Morteza Mohseni Burkard Hillebrands Andrii v.Chumak Philipp Pirro Fachbereich Physik and Landesforschungszentrum OPTIMAS Technische Universität Kaiserslautern D-67663 Kaiserslautern Germany MultiDisciplinary Physics Laboratory Faculty of Sciences Lebanese University Beirut Lebanon Faculty of Physics University of Vienna Boltzmanngasse 5 A-1090 Vienna Austria Institute of Magnetism Kyiv 03142 Ukraine Center for Magnetic Research University of California at San Diego La Jolla CA USA

The original version of this Article incorrectly gave the first address in the list of affiliations as‘Fachbereich Physik,Technische Universitaet Kaiserslautern,Kaiserslautern,Germany’,instead of the correct‘Fachbereich Physik and Landesforschungszentrum OPTIMAS,Technische Universität Kaiserslautern,D-67663 Kaiserslautern,Germany’.

关键词： nonlinear Kaiser resonator

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