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About this special issue ``Ferroelectricity and Multiferroics'' 关于本期特刊《铁电性与多铁性》
IF 0.6 4区 物理与天体物理
Condensed Matter Physics Pub Date : 2022-01-01 DOI: 10.5488/cmp.25.40101
Y. Vysochanskii, O. Derzhko
{"title":"About this special issue ``Ferroelectricity and Multiferroics''","authors":"Y. Vysochanskii, O. Derzhko","doi":"10.5488/cmp.25.40101","DOIUrl":"https://doi.org/10.5488/cmp.25.40101","url":null,"abstract":"The special issue of the CMP journal Ferroelectricity and Multiferroics contains the papers of theoretical and experimental investigations in a wide range covering physical effects, properties and applications of ferroics–crystalline oxide, chalcogenide and hydrogen bonded materials with a long- range order parameter–spontaneous polarization, magnetization or strain. The order parameter arises due to the phase transition taking place with the temperature decrease, and at pressure or chemical composition variation. The phase transitions on the temperature–pressure–composition diagrams are investigated using different methods (first principles and model calculations, molecular dynamics simulations, mean-field analysis of thermodynamic properties) with the aim to search for the materials (monocrystals, ceramics and nanoparticles) having effective functional parameters, especially for multiferroics that have more than one of the interacting long-range orders. The fundamental physical research of nonlinear processes in ferroics on the nanoscale, with controlling the size effects, provides a background for developing nanostructures favourably applied in nanoelectronics and information technologies.","PeriodicalId":10528,"journal":{"name":"Condensed Matter Physics","volume":"8 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89723956","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Orest Pizio - Ukrainian research ambassador in Mexico D.F. 奥雷斯特·皮奇奥——乌克兰驻墨西哥研究大使
IF 0.6 4区 物理与天体物理
Condensed Matter Physics Pub Date : 2022-01-01 DOI: 10.5488/cmp.25.17001
{"title":"Orest Pizio - Ukrainian research ambassador in Mexico D.F.","authors":"","doi":"10.5488/cmp.25.17001","DOIUrl":"https://doi.org/10.5488/cmp.25.17001","url":null,"abstract":"On January 2022 Dr. Orest Pizio turns his 70th anniversary being one of the founders of Condensed Matter Physics (CMP) journal and an actual member of its Editorial Board. Nowadays, CMP is an internationally well-known journal, recognized by the European Physical Society and covered by Web of Science Core Collection. The very first volume of Condensed Matter Physics published in 1993 contained contributions of Ukrainian researchers, mainly from Lviv. Orest edited the second volume and performed a pioneering job of inviting the researchers from around the world to submit their papers for publication in CMP.","PeriodicalId":10528,"journal":{"name":"Condensed Matter Physics","volume":"42 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86614526","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
In memory of Professor Roman Levitskii: 1943-2022 纪念罗曼·莱维茨基教授:1943-2022
IF 0.6 4区 物理与天体物理
Condensed Matter Physics Pub Date : 2022-01-01 DOI: 10.5488/cmp.25.40102
A. Moina, A. Vdovych, O. Derzhko
{"title":"In memory of Professor Roman Levitskii: 1943-2022","authors":"A. Moina, A. Vdovych, O. Derzhko","doi":"10.5488/cmp.25.40102","DOIUrl":"https://doi.org/10.5488/cmp.25.40102","url":null,"abstract":"On January 6th, 2023, our long-term colleague, Professor Roman Levitskii should have celebrated his 80th birthday. The present issue of Condensed Matter Physics, covering the recent advances in the physics of ferroelectricity and multiferroics, had been inspired by the Editorial Board’s wish to mark this date with a collection of papers on the subject of his major interest throughout his long and fruitful life in science. As the collection had been prepared for print and the present paper was being written, a sad news arrived that after a long battle with diabetes Roman Levitskii passed away on October 28th, 2022. This is a big loss for us and for the entire scientific community of Ukraine. The present issue now becomes a tribute to our late friend and mentor and a bittersweet celebration of his lifelong achievements.","PeriodicalId":10528,"journal":{"name":"Condensed Matter Physics","volume":"142 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78587317","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mykhailo Kozlovskii's 70th birthday
IF 0.6 4区 物理与天体物理
Condensed Matter Physics Pub Date : 2022-01-01 DOI: 10.5488/cmp.25.37001
{"title":"Mykhailo Kozlovskii's 70th birthday","authors":"","doi":"10.5488/cmp.25.37001","DOIUrl":"https://doi.org/10.5488/cmp.25.37001","url":null,"abstract":"Our colleague, professor Mykhailo Kozlovskii, the well-known Ukrainian scientist in the field of phase transitions and critical phenomena, turns 70 on August 30, 2022. The approach for treating critical behaviour of three-dimensional systems, initiated by academician Ihor Yukhnovskii and further developed by M. Kozlovskii, forms a new direction in phase transition theory.","PeriodicalId":10528,"journal":{"name":"Condensed Matter Physics","volume":"45 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79095384","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Phase diagrams of superconducting topological surface states 超导拓扑表面态的相图
IF 0.6 4区 物理与天体物理
Condensed Matter Physics Pub Date : 2021-12-18 DOI: 10.5488/CMP.24.43701
W. Zhao, L. Ding, B. Zhou, J. Wu, Y. Bai, Z. Man, X. Luo
{"title":"Phase diagrams of superconducting topological surface states","authors":"W. Zhao, L. Ding, B. Zhou, J. Wu, Y. Bai, Z. Man, X. Luo","doi":"10.5488/CMP.24.43701","DOIUrl":"https://doi.org/10.5488/CMP.24.43701","url":null,"abstract":"In this paper, we present a detailed study on the phase diagrams of superconducting topological surface states, especially, focusing on the interplay between crystalline symmetry and topology of the effective BdG Hamiltonian. We show that for the 4 x 4 kinematic Hamiltonian of the normal state, a mirror symmetry M can be defined, and for the M-odd pairings, the classification of the 8 x 8 BdG Hamiltonian is ℤ⊕ℤ, and the time-reversal symmetry is broken intrinsically. The topological non-trivial phase can support chiral Majorana edge modes, and can be realized in the thin films of iron-based superconductor such as FeSeTe.","PeriodicalId":10528,"journal":{"name":"Condensed Matter Physics","volume":"31 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74439998","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Time series analysis of friction force at self-affine mode of ice surface softening 冰面软化自仿射模式下摩擦力的时间序列分析
IF 0.6 4区 物理与天体物理
Condensed Matter Physics Pub Date : 2021-12-18 DOI: 10.5488/CMP.24.43501
A. Khomenko, D. Logvinenko
{"title":"Time series analysis of friction force at self-affine mode of ice surface softening","authors":"A. Khomenko, D. Logvinenko","doi":"10.5488/CMP.24.43501","DOIUrl":"https://doi.org/10.5488/CMP.24.43501","url":null,"abstract":"The self-affine mode of ice softening during friction is investigated within the rheological model for viscoelastic medium approximation. The different modes of ice rubbing, determined by formation of surface liquid-like layer, are studied. The analysis of time series of friction force is carried out, namely Fourier analysis, construction of autocorrelation and difference autocorrelation functions. The spectral power law is detected for modes of crystalline ice as well as of a mixture of stable ice and metastable softening. The self-similarity and aperiodic character of corresponding time series of friction force are proved.","PeriodicalId":10528,"journal":{"name":"Condensed Matter Physics","volume":"74 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86334631","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
DFT based investigation of the structural, magnetic, electronic, and half-metallic properties of solid In1-xTixSb solutions 基于DFT的固体In1-xTixSb溶液的结构、磁性、电子和半金属性质研究
IF 0.6 4区 物理与天体物理
Condensed Matter Physics Pub Date : 2021-12-18 DOI: 10.5488/CMP.24.43704
S. Amrani, M. Berber, M. Mebrek
{"title":"DFT based investigation of the structural, magnetic, electronic, and half-metallic properties of solid In1-xTixSb solutions","authors":"S. Amrani, M. Berber, M. Mebrek","doi":"10.5488/CMP.24.43704","DOIUrl":"https://doi.org/10.5488/CMP.24.43704","url":null,"abstract":"With the intention to reveal the effect of the substitution, Ti-doped InSb alloy, we accomplished a first-principles prediction within the FPLAPW+lo method. We used GGA-PBEsol scheme attached with the improved TB-mBJ approach to predict structural, electronic, and magnetic properties of In1-xTixSb with concentration x=0, 0.125, 0.25, 0.50, 0.75, 0.875, and 1. Our lattice parameters are found in favorable agreement with the available theoretical and experimental data. The calculation shows that all structures are energetically stable. The substitutional doping transforms the ionic character of the InSb compound in half-metallic ferromagnetic comportment for concentration x = 0, 0.125, 0.25, and 0.50, with a spin polarization of 100% at the Fermi level, and metallic nature for In0.25Ti0.75Sb and In0.125Ti0.875Sb. The total magnetic moments are also estimated at about 1 mu;B. In0.875Ti0.125Sb, In0.75Ti0.25Sb, and In0.50Ti0.50Sb have half-metallic ferromagnets comportment and they can be upcoming applicants for spintronics applications.","PeriodicalId":10528,"journal":{"name":"Condensed Matter Physics","volume":"180 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85055550","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Influence of external field direction on polarization rotation in antiferroelectric squaric acid H2C4O4 外场方向对反铁电方酸H2C4O4极化旋转的影响
IF 0.6 4区 物理与天体物理
Condensed Matter Physics Pub Date : 2021-12-18 DOI: 10.5488/CMP.24.43703
A. Moina
{"title":"Influence of external field direction on polarization rotation in antiferroelectric squaric acid H2C4O4","authors":"A. Moina","doi":"10.5488/CMP.24.43703","DOIUrl":"https://doi.org/10.5488/CMP.24.43703","url":null,"abstract":"Using the previously developed model we explore the processes of polarization rotation in antiferroelectric crystals of squaric acid by the electric fields directed arbitrarily within the ac plane. Except for some particular directions of the field, the two-step polarization reorientation at low temperatures is predicted: first, to the noncollinear phase with perpendicular sublattice polarizations and then to the collinear ferroelectric phase. However, when the field is directed along the axis of spontaneous sublattice polarizations, the intermediate noncollinear phase is absent; when the field is at 45° to this axis, the field for transition to the ferroelectric phase tends to infinity. The ground state proton configurations and the directions of the sublattice polarization vectors are determined for all field orientations. The T-E phase diagrams are constructed for the fields directed along the diagonals of the ac plane and for the above discussed particular directions of the field.","PeriodicalId":10528,"journal":{"name":"Condensed Matter Physics","volume":"37 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87302627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Structural, elastic, electronic and optical properties of the half-Heusler ScPtSb and YPtSb compounds under pressure 压力下半heusler ScPtSb和YPtSb化合物的结构、弹性、电子和光学性质
IF 0.6 4区 物理与天体物理
Condensed Matter Physics Pub Date : 2021-12-18 DOI: 10.5488/CMP.24.43702
M. Radjai, A. Bouhemadou, D. Maouche
{"title":"Structural, elastic, electronic and optical properties of the half-Heusler ScPtSb and YPtSb compounds under pressure","authors":"M. Radjai, A. Bouhemadou, D. Maouche","doi":"10.5488/CMP.24.43702","DOIUrl":"https://doi.org/10.5488/CMP.24.43702","url":null,"abstract":"First-principles calculations using the plane-wave pseudopotential method within the generalized gradient approximation method were performed to study the pressure dependence of the structural, elastic, electronic and optical properties for the half-Heusler compounds ScPtSb and YPtSb in a cubic MgAgAs-type structure. The calculations were performed with the inclusion of spin-orbit coupling. The calculated equilibrium lattice parameters are in good agreement with the available experimental and theoretical values. The crystal rigidity and mechanical stability were discussed using the elastic constants and related parameters, namely bulk modulus, shear modulus, Debye temperature, Poisson's coefficient, Young's modulus and isotropic sound velocities. The calculated electronic band structures show that ScPtSb has an indirect gap of Γ-X type, whereas YPtSb has a direct band gap of Γ-Γ type. Furthermore, the effect of pressure on the optical properties, namely the dielectric function, absorption spectrum, refractive index, extinction coefficient, reflectivity and energy-loss spectrum is investigated for both compounds ScPtSb and YPtSb.","PeriodicalId":10528,"journal":{"name":"Condensed Matter Physics","volume":"119 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82475242","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Phase separation dynamics in aqueous solutions of thermoresponsive polymers 热响应性聚合物水溶液中的相分离动力学
IF 0.6 4区 物理与天体物理
Condensed Matter Physics Pub Date : 2021-12-18 DOI: 10.5488/CMP.24.43601
V. Kovalchuk
{"title":"Phase separation dynamics in aqueous solutions of thermoresponsive polymers","authors":"V. Kovalchuk","doi":"10.5488/CMP.24.43601","DOIUrl":"https://doi.org/10.5488/CMP.24.43601","url":null,"abstract":"Phase transition kinetics of aqueous hydroxypropyl cellulose solution was studied by using turbidimetric monitoring and mathematical modelling techniques. Based on the nonlinear Cahn-Hilliard equation with a mobility depending on the component concentration, the phase separation has been modeled on a simple one-dimensional Flory lattice. For value set of the interfacial energy parameter, data were obtained on the changing of the average values of the cluster sizes, their mass and concentration. The simulation results allow us to distinguish three stages of the spinodal decomposition: early, intermediate and final. It was found that for the intermediate stage, the kinetics of the cluster mass growth is described by a dependence that is characteristic of the usual diffusion mass transfer; the change in the average cluster size can be represented by a scaling function with an exponent close to 1/3, typical of the systems with a conserved scalar order parameter. It is shown that the concentration of clusters at the final stage is determined by the temperature dependence of the interfacial energy.","PeriodicalId":10528,"journal":{"name":"Condensed Matter Physics","volume":"35 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2021-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77975652","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
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