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Physics of the Solid State最新文献

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Anisotropy of the Paramagnetic Susceptibility in the 3D Dirac Semimetal Cd-=SUB=-3-=/SUB=-As-=SUB=-2-=/SUB=- Caused by Chromium Impurity: the EPR on Cr-=SUP=-3+-=/SUP=- Ions 铬杂质引起的三维Dirac半金属Cd-=SUB=-3-=/SUB=- as -=SUB=-2-=/SUB=-的顺磁化率各向异性:Cr-=SUP=-3+-=/SUP=-离子的EPR
IF 0.6 4区 物理与天体物理
Physics of the Solid State Pub Date : 2023-01-01 DOI: 10.21883/pss.2023.03.55575.553
Goryunov Yu. V., Nateprov A. N.
{"title":"Anisotropy of the Paramagnetic Susceptibility in the 3D Dirac Semimetal Cd-=SUB=-3-=/SUB=-As-=SUB=-2-=/SUB=- Caused by Chromium Impurity: the EPR on Cr-=SUP=-3+-=/SUP=- Ions","authors":"Goryunov Yu. V., Nateprov A. N.","doi":"10.21883/pss.2023.03.55575.553","DOIUrl":"https://doi.org/10.21883/pss.2023.03.55575.553","url":null,"abstract":"In the literature devoted to magnetic impurities in Dirac semimetals, the appearance of anisotropic and long-range non-oscillating contributions to the Ruderman--Kittel--Kasuya--Yosida interaction is predicted. These contributions are due to the hybridization of the wave functions of magnetic impurities with the wave functions of Dirac electrons, which have a linear dispersion law. We have studied electron paramagnetic resonance (EPR) in powder samples of topological 3D Dirac semimetal Cd3As2 with an admixture of chromium ions. Anisotropy of the magnetic susceptibility in the paramagnetic state was found from the behavior of the resonance field. The appearance of magnetic anisotropy in the paramagnetic state is associated with an increase in the contribution of the orbital moments of chromium ions Cr2+ and Cr3+ due to their interaction with the orbital moments of donor Dirac electrons, which have anomalously large values of g factors. Keywords: magnetic resonance, topological materials, magnetic impurities.","PeriodicalId":731,"journal":{"name":"Physics of the Solid State","volume":"57 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80785384","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
Effect of High Temperature Annealing on the Physicochemical Properties of systems based on FeSi-=SUB=-x-=/SUB=- 高温退火对FeSi-=SUB=-x-=/SUB=-体系理化性质的影响
IF 0.6 4区 物理与天体物理
Physics of the Solid State Pub Date : 2023-01-01 DOI: 10.21883/pss.2023.03.55594.547
Nikolichev D.E., Kriukov R.N., Zdoroveyshchev A.V., Kuznetsov Yu. M., Zdoroveyshchev D.A., Dudin Yu.A., Dorokhin M. V., Skrylev A.A.
{"title":"Effect of High Temperature Annealing on the Physicochemical Properties of systems based on FeSi-=SUB=-x-=/SUB=-","authors":"Nikolichev D.E., Kriukov R.N., Zdoroveyshchev A.V., Kuznetsov Yu. M., Zdoroveyshchev D.A., Dudin Yu.A., Dorokhin M. V., Skrylev A.A.","doi":"10.21883/pss.2023.03.55594.547","DOIUrl":"https://doi.org/10.21883/pss.2023.03.55594.547","url":null,"abstract":"It has been established that the physicochemical properties of structures based on iron silicides formed by ion implantation of iron ions into silicon depend significantly on the time of subsequent high-temperature annealing. Objects with different geometric parameters are formed on the surface and the roughness increases. Annealing at 1000oC in an Ar atmosphere is accompanied by a decrease in the content of the Fe-Si chemical bonds during the first 60 seconds. The reason for the drop in thermal conductivity with increasing annealing temperature is the formation of silicide complexes. Keywords: iron silicide, thermoelectric, ion implantation, chemical composition, X-ray photoelectron spectroscopy.","PeriodicalId":731,"journal":{"name":"Physics of the Solid State","volume":"95 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82890846","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
Comparison of the domain structure reaction of various ferromagnetic microparticles under uniaxial mechanical stress 不同铁磁微粒在单轴机械应力作用下的畴结构反应比较
IF 0.6 4区 物理与天体物理
Physics of the Solid State Pub Date : 2023-01-01 DOI: 10.21883/pss.2023.06.56101.07h
Nurgazizov N. I., Bizyaev D. A., Bukharaev A. A., Chuklanov A. P., Shur V. Ya., Akhmatkhanov A. R.
{"title":"Comparison of the domain structure reaction of various ferromagnetic microparticles under uniaxial mechanical stress","authors":"Nurgazizov N. I., Bizyaev D. A., Bukharaev A. A., Chuklanov A. P., Shur V. Ya., Akhmatkhanov A. R.","doi":"10.21883/pss.2023.06.56101.07h","DOIUrl":"https://doi.org/10.21883/pss.2023.06.56101.07h","url":null,"abstract":"The results of studying the changes in the domain structure of a planar square microparticle with size 7.5 x 7.5 x 0.04 μm under uniaxial mechanical stress is presented. Microparticles were made from the following materials: permalloy (18% Fe, 82% Ni), permendur (50% Co, 50% Fe), halfenol (16% Ga, 84% Fe), Ni, terfenol (Tb0.3Dy0.7Fe1.92). The conclusions about the promising of using these materials for fabrication microsensors for stress detection and for fabrication straintronic devices for processing and storing information were made. Keywords: magnetoelastic effect, magnetic force microscopy, planar ferromagnetic particles, domain structure.","PeriodicalId":731,"journal":{"name":"Physics of the Solid State","volume":"73 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83114798","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
Molecular Dynamics Studies of the Process of Crystallization and Growth of Gas Hydrates in a Strongly Supercooled Two-Phase "Methane-Water System" 强过冷两相“甲烷-水体系”中天然气水合物结晶与生长过程的分子动力学研究
IF 0.6 4区 物理与天体物理
Physics of the Solid State Pub Date : 2023-01-01 DOI: 10.21883/pss.2023.02.55420.522
Khusnutdinoff R.M., Khairullina R.R., Yunusov M.B.
{"title":"Molecular Dynamics Studies of the Process of Crystallization and Growth of Gas Hydrates in a Strongly Supercooled Two-Phase \"Methane-Water System\"","authors":"Khusnutdinoff R.M., Khairullina R.R., Yunusov M.B.","doi":"10.21883/pss.2023.02.55420.522","DOIUrl":"https://doi.org/10.21883/pss.2023.02.55420.522","url":null,"abstract":"The processes of nucleation and growth of methane hydrate in a highly supercooled two-phase \"methane-water\" system obtained using various cooling protocols are considered. It has been shown that, at sufficiently high cooling rates, crystalline forms of methane hydrate can still form in the system. It was found that, at a cooling rate of γ=1.0 K/ps, the process of nucleation and growth of gas hydrate was observed in all independent molecular dynamics iterations, while at a cooling rate of γ=10.0 K/ps, no nucleation event was observed in ~26.7% of numerical experiments. It was found that with an increase in the cooling rate of the system, an increase in the average time scale of nucleation tauc and a decrease in the critical size of the nucleus nc are observed. It is shown that at a sufficiently deep level of supercooling of the system, the scenario of homogeneous crystalline nucleation is realized at the initial stage of the phase transition. Keywords: molecular dynamics, crystallization, methane hydrate.","PeriodicalId":731,"journal":{"name":"Physics of the Solid State","volume":"83 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83628648","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
Effect of Friedel Oscillations on the Work Function of Ytterbium Nanofilms 弗里德尔振荡对镱纳米膜功函数的影响
IF 0.6 4区 物理与天体物理
Physics of the Solid State Pub Date : 2023-01-01 DOI: 10.21883/pss.2023.06.56121.48
Kuzmin M.V., Mittsev M.A.
{"title":"Effect of Friedel Oscillations on the Work Function of Ytterbium Nanofilms","authors":"Kuzmin M.V., Mittsev M.A.","doi":"10.21883/pss.2023.06.56121.48","DOIUrl":"https://doi.org/10.21883/pss.2023.06.56121.48","url":null,"abstract":"The effect of standing waves of charge density (Friedel oscillations) generated by an interface of the metallic ytterbium nanofilm single-crystal silicon substrate type on the work function of ytterbium nanolayers has been studied. It is shown that in the range of nanofilm thicknesses from 0 to 8 monatomic layers, the work function has an oscillating character. This feature of the dependence of the work function on the nanofilm thickness is a consequence of the fact that the standing waves change nonmonotonically the power (momentum) of the electric double layer, which exists on the metal surface and affects the work function of the metal. This ultimately determines the oscillating nature of the dependence of the work function on the thickness of the nanofilms. Keywords: surface, nanofilm, work function, Friedel oscillations, electric double layer, ytterbium.","PeriodicalId":731,"journal":{"name":"Physics of the Solid State","volume":"76 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83854512","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
Surface crystallization of amorphous Fe-=SUB=-73.8-=/SUB=-Si-=SUB=-13-=/SUB=-B-=SUB=-9.1-=/SUB=-Cu-=SUB=-1-=/SUB=-Nb-=SUB=-3.1-=/SUB=- and Fe-=SUB=-77.5-=/SUB=-Si-=SUB=-13.5-=/SUB=-B-=SUB=-9-=/SUB=- microwires
IF 0.6 4区 物理与天体物理
Physics of the Solid State Pub Date : 2023-01-01 DOI: 10.21883/pss.2023.01.54970.494
Fuks A. A., Abrosimova G. E., Aksenov O.I., Aronin A. S.
{"title":"Surface crystallization of amorphous Fe-=SUB=-73.8-=/SUB=-Si-=SUB=-13-=/SUB=-B-=SUB=-9.1-=/SUB=-Cu-=SUB=-1-=/SUB=-Nb-=SUB=-3.1-=/SUB=- and Fe-=SUB=-77.5-=/SUB=-Si-=SUB=-13.5-=/SUB=-B-=SUB=-9-=/SUB=- microwires","authors":"Fuks A. A., Abrosimova G. E., Aksenov O.I., Aronin A. S.","doi":"10.21883/pss.2023.01.54970.494","DOIUrl":"https://doi.org/10.21883/pss.2023.01.54970.494","url":null,"abstract":"Amorphous microwires of Fe73.8Si13B9.1Cu1Nb3.1 andFe77.5Si13.5B9 composition fabricated by the Ulitovsky--Taylor method were studied. The samples with the glass shell removed were heated at temperatures of 753 K and 703 K for 20 min, afterwards, their structure was examined using X-ray diffraction. Subsequently, the thermally treated samples were chemically etched and X-ray diffraction study of the structure was again carried out. Experimental results on the predominant crystallization of near-surface regions were discussed assuming that mechanical stresses affect the nucleation and growth of nanocrystals. Keywords: amorphous materials, stress distribution, nanocrystallization, X-ray diffraction.","PeriodicalId":731,"journal":{"name":"Physics of the Solid State","volume":"17 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84479835","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
Peculiarities of changes in the intensities of the main photoluminescence bands of Tb-=SUP=-3+-=/SUP=- ions and their satellites in polycrystalline Gd-=SUB=-2-=/SUB=-O-=SUB=-3-=/SUB=- : Tb(3 mol%) Gd-=SUB=-2-=/SUB=- 0 -=SUB=-3-=/SUB=- 0 -=SUB=-3-=/SUB=-: Tb(3mol %)多晶中Tb-=SUP=-3+-=/SUP=- 2离子及其卫星主发光带强度变化的特殊性
IF 0.6 4区 物理与天体物理
Physics of the Solid State Pub Date : 2023-01-01 DOI: 10.21883/pss.2023.05.56053.37
Bakovets V. V., Plyusnin P. E., Jushina I. V., Rakhmanova M. I., Sotnikov A. V., Dolgovesova I.P., Pivovarova T. D.
{"title":"Peculiarities of changes in the intensities of the main photoluminescence bands of Tb-=SUP=-3+-=/SUP=- ions and their satellites in polycrystalline Gd-=SUB=-2-=/SUB=-O-=SUB=-3-=/SUB=- : Tb(3 mol%)","authors":"Bakovets V. V., Plyusnin P. E., Jushina I. V., Rakhmanova M. I., Sotnikov A. V., Dolgovesova I.P., Pivovarova T. D.","doi":"10.21883/pss.2023.05.56053.37","DOIUrl":"https://doi.org/10.21883/pss.2023.05.56053.37","url":null,"abstract":"Samples of Gd2O3 : Tb(3 mol%) phosphor were obtained by sol-gel method followed by annealing at 800oC and 1200oC in air. At high annealing temperature, the intensities of the main emission bands 484 and 541 nm increase, but the ratio of the intensities of these emission bands to their satellites 493 and 549 nm respectively decreases. Based on the analysis of X-ray diffractometry, emission spectra, far-infrared and Raman spectroscopy, as well as diffuse reflectance spectroscopy, we established: the increase in the crystallinity of the samples with a significant reduction of the lattice strain stress at elevated annealing temperatures, changes in the structure of the bandgap with degenerated acceptor and donor zones of impurities Tb4+ and Tb3+ respectively. The diffuse reflection spectra of the sample after annealing at 800oC under optical excitation showed a direct charge transition through the bandgap with Eg=2.56 eV. After elevated annealing temperature the concentration of Tb4+ ions decreases due to reduction to Tb3+. As a result, at low excitation energies the degeneracy of the acceptor zone is still preserved and there is a direct transition of charges through the bandgap with Eg=2.55 eV. At high excitation energies the degeneracy of the acceptor zone is removed and there is a direct transition through the bandgap with Eg=3.39 eV. These effects are accompanied by a relatively large increase in the emission intensity of the satellites, especially at the 549 nm. Keywords: Gd oxide, Tb3++ photoluminescence spectra, far infrared and Raman spectroscopy spectra, structure of the bandgape, distribution of Tb3+ and Tb4+ in cation sublattice.","PeriodicalId":731,"journal":{"name":"Physics of the Solid State","volume":"13 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84960645","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
Laser-induced graphene and its modification with polypyrrole for increasing microsupercapacitor capacitance 激光诱导石墨烯及其聚吡咯改性提高微超级电容器电容
IF 0.6 4区 物理与天体物理
Physics of the Solid State Pub Date : 2023-01-01 DOI: 10.21883/pss.2023.02.55422.529
Mikheev K. G., Syugaev A. V., Zonov R. G., Bulatov D. L., Mikheev G. M.
{"title":"Laser-induced graphene and its modification with polypyrrole for increasing microsupercapacitor capacitance","authors":"Mikheev K. G., Syugaev A. V., Zonov R. G., Bulatov D. L., Mikheev G. M.","doi":"10.21883/pss.2023.02.55422.529","DOIUrl":"https://doi.org/10.21883/pss.2023.02.55422.529","url":null,"abstract":"Laser-induced graphene (LIG) films were synthesized by line-by-line scanning of cw CO2 laser focused radiation on the surface of industrial polyimide film as a result of pyrolysis of its near-surface layer. The structure of the synthesized film material is shown to be heterogeneous in thickness by Raman spectroscopy. The results of the study of the effect of the laser power and the distance between the lines on the specific electrical capacitance c of the synthesized material in aqueous solution of sulfuric acid are presented. It is shown that modification of LIG with polypyrrole (PPy) allows to increase c up to 60 mF/cm2. PPy-modified LIG films were used to make a prototype of a flexible film microsupercapacitor with an area of 8 cm2, using a gel electrolyte based on sulfuric acid and polyvinyl alcohol, with a 230 mF capacitance. Keywords: laser-induced graphene, electric capacitance, polypyrrole, microsupercapacitor.","PeriodicalId":731,"journal":{"name":"Physics of the Solid State","volume":"416 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73889872","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: 1
Excitation of terahertz radiation in p-n-heterostructures based on a-Si:H/c-Si 基于a-Si:H/c-Si的p-n异质结构中太赫兹辐射激发
IF 0.6 4区 物理与天体物理
Physics of the Solid State Pub Date : 2023-01-01 DOI: 10.21883/pss.2023.05.56054.27
Andrianov A.V, Aleshin A.N., Abolmasov S.N., Terukov E.I., Zakhar'in A.O.
{"title":"Excitation of terahertz radiation in p-n-heterostructures based on a-Si:H/c-Si","authors":"Andrianov A.V, Aleshin A.N., Abolmasov S.N., Terukov E.I., Zakhar'in A.O.","doi":"10.21883/pss.2023.05.56054.27","DOIUrl":"https://doi.org/10.21883/pss.2023.05.56054.27","url":null,"abstract":"Studies on the generation of terahertz (THz) radiation in p-n-heterostructures based on a-Si:H/c-Si upon their photoexcitation by a femtosecond titanium-sapphire laser with a wavelength of 800 nm are presented. The properties of observed THz radiation allow to explain its nature by excitation of fast photocurrent of nonequilibrium charge carriers created in the region of the potential barrier under femtosecond interband photoexcitation of the structure. The fast photocurrent, in turn, emits THz electromagnetic waves. The waveforms and amplitude spectra of the observed THz radiation reflect the dynamics of photoexcited charge carriers in the structures. The intensity of THz radiation observed in the studied p-n-heterostructures based on a-Si:H/c-Si is comparable to that generated in n-InAs crystals, which are widely used as emitters in systems of THz time-domain spectroscopy. Therefore, a-Si:H/c-Si p-n-heterostructures can be used as THz emitters for need of THz spectroscopy. Keywords: femtosecond laser photoexcitation, heterostructures, fast photocurrent, terahertz electromagnetic radiation.","PeriodicalId":731,"journal":{"name":"Physics of the Solid State","volume":"151 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73039669","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
Influence of thulium impurity on dielectric and pyroelectric properties of single crystals of Barium Strontium Niobate 铥杂质对铌酸锶钡单晶介电和热释电性质的影响
IF 0.6 4区 物理与天体物理
Physics of the Solid State Pub Date : 2023-01-01 DOI: 10.21883/pss.2023.03.55585.535
Kislova I. L., Sergeeva O. N., Shcheglova A. I., Zvarich M. S., Lykov P. A., Ivleva L. I.
{"title":"Influence of thulium impurity on dielectric and pyroelectric properties of single crystals of Barium Strontium Niobate","authors":"Kislova I. L., Sergeeva O. N., Shcheglova A. I., Zvarich M. S., Lykov P. A., Ivleva L. I.","doi":"10.21883/pss.2023.03.55585.535","DOIUrl":"https://doi.org/10.21883/pss.2023.03.55585.535","url":null,"abstract":"It has been shown that the introduction of thulium impurity into the crystals of strontium barium (SBN : 61) niobate leads to an increase in the dielectric constant value and the blur region of the phase transition. External field polarization partially stabilizes the polar state of the samples, however, the heterogeneous distribution of polarization across the thickness of the studied samples indicates the existence of regions with a developed domain structure characteristic of highly doped crystals. Keywords: Ferroelectrics, relaxors, pyroelectric effect, polarization distribution, single crystal, SBN.","PeriodicalId":731,"journal":{"name":"Physics of the Solid State","volume":"26 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74892883","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
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