发布求助
文献互助 智能选刊 最新文献

Journal of Superconductivity and Novel Magnetism最新文献

筛选
英文 中文
Relaxation of the Irreversible Magnetization in Proton-Irradiated MgB2
IF 1.6 4区 物理与天体物理
Journal of Superconductivity and Novel Magnetism Pub Date : 2024-12-23 DOI: 10.1007/s10948-024-06877-5
Viorel Sandu, Liviu Craciun, Ion Ivan, Alina Marinela Badea Ionescu, Rungtiwa Chidthong, Felicia Mihai, Gheorghe V. Aldica
{"title":"Relaxation of the Irreversible Magnetization in Proton-Irradiated MgB2","authors":"Viorel Sandu,&nbsp;Liviu Craciun,&nbsp;Ion Ivan,&nbsp;Alina Marinela Badea Ionescu,&nbsp;Rungtiwa Chidthong,&nbsp;Felicia Mihai,&nbsp;Gheorghe V. Aldica","doi":"10.1007/s10948-024-06877-5","DOIUrl":"10.1007/s10948-024-06877-5","url":null,"abstract":"<div><p>The paper presents the features of the magnetization decay of proton-irradiated MgB<sub>2</sub> bulk samples. Irradiation was performed with protons of energies between 8.6 and 15.07 MeV at different fluences. The creep activation energy is sensitive to the ratio between proton range and sample thickness. Experimental data show that the creep exponents are different from the theoretical predictions. When the proton range is shorter than the sample thickness (protons of 8.6 MeV), the thermomagnetic instabilities are strongly emphasized and affect the creep behavior.</p></div>","PeriodicalId":669,"journal":{"name":"Journal of Superconductivity and Novel Magnetism","volume":"38 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142875231","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
Anti-site Disorder Driven Unusual Magnetic Properties in Sm( _{2} )NiMnO( _{6} ) Double Perovskite
IF 1.6 4区 物理与天体物理
Journal of Superconductivity and Novel Magnetism Pub Date : 2024-12-23 DOI: 10.1007/s10948-024-06845-z
S. Majumder, S. Saha, M. Tripathi, P. Rajput, S. N. Jha, R. J. Choudhary, D. M. Phase
{"title":"Anti-site Disorder Driven Unusual Magnetic Properties in Sm( _{2} )NiMnO( _{6} ) Double Perovskite","authors":"S. Majumder,&nbsp;S. Saha,&nbsp;M. Tripathi,&nbsp;P. Rajput,&nbsp;S. N. Jha,&nbsp;R. J. Choudhary,&nbsp;D. M. Phase","doi":"10.1007/s10948-024-06845-z","DOIUrl":"10.1007/s10948-024-06845-z","url":null,"abstract":"<div><p>Cation ordered double perovskite RE<span>(_{2})</span>NiMnO<span>(_{6})</span> (RE: rare-earth) is commonly believed to show two distinct magnetic phase transitions, one at T = T<span>( _{C} )</span> because of Ni-O-Mn ferromagnetic (FM) super exchange interaction and another at T = T<span>( _{d} )</span> due to the polarization of RE spins opposite with respect to Ni-Mn network. In the present work, the structural, electronic, and magnetic properties of anti-site disordered Sm<span>( _{2} )</span>NiMnO<span>( _{6} )</span> (SNMO) have been investigated. It is observed that the presence of intrinsic B-site disorder results in an additional antiferromagnetic (AFM) coupling, mediated via Ni-O-Ni and Mn-O-Mn local bond pairs. As a consequence, the magnetic behavior of SNMO comprises of co-existing FM-AFM phases. Field-dependent inverted cusp-like trend in temperature-dependent magnetization, thermal irreversibility in cooling-warming paths of susceptibility, two-step reversibility in magnetic isotherm, and non-monotonicity in the thermal evolution of coercivity and remanence indicate the presence of competing magnetic phases over a wide range of temperature values (T<span>( _{d} &lt; )</span> T &lt; T<span>( _{C} )</span>).</p></div>","PeriodicalId":669,"journal":{"name":"Journal of Superconductivity and Novel Magnetism","volume":"38 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142870459","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
The Influence of the Direction of Dislocation to the External Magnetic Field on the Critical Current Density and Strong Trapping of the Vortex Lattice in NbTi Wires
IF 1.6 4区 物理与天体物理
Journal of Superconductivity and Novel Magnetism Pub Date : 2024-12-23 DOI: 10.1007/s10948-024-06891-7
Daniel Gajda, Andrzej Zaleski
{"title":"The Influence of the Direction of Dislocation to the External Magnetic Field on the Critical Current Density and Strong Trapping of the Vortex Lattice in NbTi Wires","authors":"Daniel Gajda,&nbsp;Andrzej Zaleski","doi":"10.1007/s10948-024-06891-7","DOIUrl":"10.1007/s10948-024-06891-7","url":null,"abstract":"<div><p>Our results enable a better understanding and explanation of the physical phenomena associated with strong trapping of vortex lattice in superconducting wires. These measurements showed that dislocations oriented perpendicular to the external magnetic field most strongly trapped the vortex lattice in 8 T and much weaker in the 6 T magnetic field. Further research showed that dislocations situated in the angle of 45° to the external magnetic field most strongly trap the vortexes lattice in 7 T magnetic field. Subsequent results showed that dislocations oriented parallel to the external magnetic field trap the vortex lattice most strongly in the 6 T magnetic field and much weaker in the 8 T magnetic field. Previous studies have not reported these results and pinning analyses. Our results are also important for pinning centers created by irradiation for columnar defects.</p></div>","PeriodicalId":669,"journal":{"name":"Journal of Superconductivity and Novel Magnetism","volume":"38 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142875193","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
Magnetic Phase Diagram of Triangular Lattice Eu-Based Compound EuAg(_{4})Sb(_{2})
IF 1.6 4区 物理与天体物理
Journal of Superconductivity and Novel Magnetism Pub Date : 2024-12-21 DOI: 10.1007/s10948-024-06886-4
Shishi Ma, Changbo Zheng, Junbao He, Bo Liu, Sujuan Jin, Chaungchaung Ma, Hui Liang, Congbin Liu, Hao Shi
{"title":"Magnetic Phase Diagram of Triangular Lattice Eu-Based Compound EuAg(_{4})Sb(_{2})","authors":"Shishi Ma,&nbsp;Changbo Zheng,&nbsp;Junbao He,&nbsp;Bo Liu,&nbsp;Sujuan Jin,&nbsp;Chaungchaung Ma,&nbsp;Hui Liang,&nbsp;Congbin Liu,&nbsp;Hao Shi","doi":"10.1007/s10948-024-06886-4","DOIUrl":"10.1007/s10948-024-06886-4","url":null,"abstract":"<div><p>We conducted a thorough study on the evolution of magnetic properties in the layered triangular lattice Eu-based antimonide EuAg<span>(_{4})</span>Sb<span>(_{2})</span>. The magnetic susceptibility measurements suggest that the title compound experiences two sequential antiferromagnetic transitions at approximately 10.8 K and 7.5 K, respectively, which is in contrast to the dominant ferromagnetic interactions indicated by a positive Curie-Weiss temperature in the paramagnetic region. This suggests the presence of a complex interaction between ferromagnetic and antiferromagnetic exchanges in EuAg<span>(_{4})</span>Sb<span>(_{2})</span>. The magnetic phase diagrams, constructed based on both magnetic susceptibility and isothermal magnetization measurements, provide unequivocal definitions for the various magnetic states observed in EuAg<span>(_{4})</span>Sb<span>(_{2})</span>. Remarkably, an intermediate transition state, accompanied by a 1/3 magnetization-plateau-like anomaly, emerges under in-plane magnetic fields, but missing under out-of-plane magnetic fields. Our result demonstrates that EuAg<span>(_{4})</span>Sb<span>(_{2})</span> hosts intriguing magnetic properties and could be a promising platform for exploring exotic magnetic properties of Eu<span>(^{2+})</span> triangular lattice compounds.</p></div>","PeriodicalId":669,"journal":{"name":"Journal of Superconductivity and Novel Magnetism","volume":"38 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142859607","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
Magnetism and Critical Behavior of the Fullerene C18 Studied by Monte Carlo simulations
IF 1.6 4区 物理与天体物理
Journal of Superconductivity and Novel Magnetism Pub Date : 2024-12-21 DOI: 10.1007/s10948-024-06838-y
S. Idrissi, A. Jabar, L. Bahmad
{"title":"Magnetism and Critical Behavior of the Fullerene C18 Studied by Monte Carlo simulations","authors":"S. Idrissi,&nbsp;A. Jabar,&nbsp;L. Bahmad","doi":"10.1007/s10948-024-06838-y","DOIUrl":"10.1007/s10948-024-06838-y","url":null,"abstract":"<div><p>The Fullerene C18 is one of the most active types of nanostructures used as an active ingredient in several applications. This study used Monte Carlo simulations to investigate the magnetic properties of mixed 3/2 and 2 in the fullerene C18 systems. We first perform a theoretical analysis of the ground state phase diagrams. Indeed, we only present and analyze more stable configurations among all possible configurations. Second, calculations were performed to determine how the compound's magnetic properties changed when various physical parameters were altered. In addition, we provide studies of the magnetic behavior of the system at reduced temperature, reduced crystal fields, reduced exchange coupling interactions, and reduced external magnetic fields. Finally, we study and discuss the critical lowering temperature of fullerene C18. To conclude this study, we examined the different hysteresis loops when varying the values of the different physical parameters.</p></div>","PeriodicalId":669,"journal":{"name":"Journal of Superconductivity and Novel Magnetism","volume":"38 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142859671","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
Detailed Analysis of the Superconducting Gap with Dynes Pair-Breaking Scattering
IF 1.6 4区 物理与天体物理
Journal of Superconductivity and Novel Magnetism Pub Date : 2024-12-20 DOI: 10.1007/s10948-024-06844-0
Anastasiya Lebedeva, František Herman
{"title":"Detailed Analysis of the Superconducting Gap with Dynes Pair-Breaking Scattering","authors":"Anastasiya Lebedeva,&nbsp;František Herman","doi":"10.1007/s10948-024-06844-0","DOIUrl":"10.1007/s10948-024-06844-0","url":null,"abstract":"<div><p>We study the energy gap within the Dynes superconductor theory. This model generalizes the Bardeen-Cooper-Schrieffer (BCS) approach by including the pair-breaking scattering, introducing the tunneling in-gap states up to a Fermi level. We analytically solve the energy gap equation in various limit cases. The solution provides simple tools for further studies, compared to more complex numerics, and highlights the basic characteristics of the theory. First, in the critical limit of pair-breaking scattering, we derive an analytical form of zero-temperature gap to transition temperature ratio. Next, we derive the dependence of the energy gap close to critical temperature and look at its behavior for general and critical pair-breaking scattering rate. Furthermore, we compare our result with the numerical solution of the gap equation assuming general temperature. We show the range of temperatures, for which the analytical approximation is valid. In the end, we provide the approximative formula of the gap, assuming general pair-breaking scattering, emphasizing its exact behavior close to transition temperature.</p></div>","PeriodicalId":669,"journal":{"name":"Journal of Superconductivity and Novel Magnetism","volume":"38 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10948-024-06844-0.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142859549","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On the Lineshapes of Temperature-Dependent Transport Measurements of Superconductors Under Pressure 论压力下超导体随温度变化的传输测量线形
IF 1.6 4区 物理与天体物理
Journal of Superconductivity and Novel Magnetism Pub Date : 2024-12-19 DOI: 10.1007/s10948-024-06879-3
Alexander C. Mark, Russell J. Hemley
{"title":"On the Lineshapes of Temperature-Dependent Transport Measurements of Superconductors Under Pressure","authors":"Alexander C. Mark,&nbsp;Russell J. Hemley","doi":"10.1007/s10948-024-06879-3","DOIUrl":"10.1007/s10948-024-06879-3","url":null,"abstract":"<div><p>Recent reports of superconductivity in the vicinity of room temperature have been the subject of discussion by the community. Specifically, features in the resistance-temperature (<i>R</i>-<i>T</i>) relations have raised questions. We show that many of these features can arise from previously unaccounted-for dynamic effects associated with the AC transport techniques often used in high-pressure experiments. These dynamic AC effects can cause the apparent resistance (<span>( R_{apparent} )</span>) to diverge from the DC resistance (<span>( R_{DC} )</span>), sharpen measured superconducting transitions, and produce other features in the measured <i>R</i>-<i>T</i> response. We also show that utilizing the full output of phase-sensitive transport measurements provides a valuable probe of superconducting samples in difficult-to-measure systems.</p></div>","PeriodicalId":669,"journal":{"name":"Journal of Superconductivity and Novel Magnetism","volume":"38 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142844745","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 Phase Transition Type on the Magnetocaloric Effect and Magnetic Hysteresis in Er(Co1-xMnx)2 Laves Alloys
IF 1.6 4区 物理与天体物理
Journal of Superconductivity and Novel Magnetism Pub Date : 2024-12-18 DOI: 10.1007/s10948-024-06888-2
H. Y. Dai, Z. H. Zu, Y. K. Chu, R. J. Cui, Z. D. Han
{"title":"Effect of Phase Transition Type on the Magnetocaloric Effect and Magnetic Hysteresis in Er(Co1-xMnx)2 Laves Alloys","authors":"H. Y. Dai,&nbsp;Z. H. Zu,&nbsp;Y. K. Chu,&nbsp;R. J. Cui,&nbsp;Z. D. Han","doi":"10.1007/s10948-024-06888-2","DOIUrl":"10.1007/s10948-024-06888-2","url":null,"abstract":"<div><p>As magnetic refrigerants, first-order transition (FOT) and second-order transition (SOT) materials possess distinct advantages and disadvantages. If the phase transition can be tuned to the critical point between FOT and SOT, it may be possible to combine the benefits of both, thereby achieving an outstanding magnetocaloric effect. Here, we demonstrated this approach through phase transition engineering in Er(Co<sub>1-x</sub>Mn<sub>x</sub>)<sub>2</sub> alloys. When <i>x</i> ≤ 0.06, the magnetic phase transition of the samples was FOT, exhibiting a significant magnetic entropy change. However, at <i>x</i> = 0.08, the samples underwent a SOT from ferromagnetic to paramagnetic, leading to a substantial reduction in the magnetocaloric effect. At the critical point of the FOT/SOT border with <i>x</i> = 0.06, the sample exhibited a large magnetic entropy change along with negligible magnetic hysteresis. This work demonstrates that the critical point between FOT and SOT is an effective means of achieving an excellent magnetocaloric effect.</p></div>","PeriodicalId":669,"journal":{"name":"Journal of Superconductivity and Novel Magnetism","volume":"38 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142844831","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
Strain and Exchange Bias-Enabled Field-Free Voltage-Controlled Magnetic Anisotropy Switching
IF 1.6 4区 物理与天体物理
Journal of Superconductivity and Novel Magnetism Pub Date : 2024-12-18 DOI: 10.1007/s10948-024-06873-9
Pinkesh Kumar Mishra, Swapnil Bhuktare
{"title":"Strain and Exchange Bias-Enabled Field-Free Voltage-Controlled Magnetic Anisotropy Switching","authors":"Pinkesh Kumar Mishra,&nbsp;Swapnil Bhuktare","doi":"10.1007/s10948-024-06873-9","DOIUrl":"10.1007/s10948-024-06873-9","url":null,"abstract":"<div><p>In pursuing energy-efficient and high-performance nonvolatile magnetic memory devices, this study explores voltage-induced techniques, specifically voltage-controlled magnetic anisotropy (VCMA), as an alternative to current-induced methods, which suffer from Ohmic loss. The perpendicular magnetic anisotropy (PMA) nanomagnet, known for its superior stability and scalability compared to in-plane variants, VCMA switching in PMA system requires an in-plane symmetry breaking field, which limits its practicality for on-chip applications. We investigate field-free VCMA switching utilizing strain from a piezoelectric layer and an exchange bias from an antiferromagnetic material. Using macro-spin simulations based on the Landau-Lifshitz-Gilbert equation, we systematically analyze how the VCMA effect, strain-induced magnetoelastic effect, exchange bias, oxide and free layer thicknesses, and damping constant affect the switching performance of the device. The write error rate (WER) drops drastically from 0.2 (without stress) to <span>({10}^{-6})</span> (100 MPa stress), showcasing the effectiveness of our approach. We also find that the damping constant, especially in the 0.01–0.05 range, plays a crucial role in further optimizing the switching performance of the device. This study offers new insights for enhancing magnetic memory technology.</p></div>","PeriodicalId":669,"journal":{"name":"Journal of Superconductivity and Novel Magnetism","volume":"38 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142844832","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
Low Temperature Variation of Superfluid Phase Stiffness in the Presence of Two Mutually Exclusive Orderings 存在两种互斥排序时超流体相刚性的低温变化
IF 1.6 4区 物理与天体物理
Journal of Superconductivity and Novel Magnetism Pub Date : 2024-12-18 DOI: 10.1007/s10948-024-06872-w
Doyel Rakshit, Ajay Kumar Ghosh
{"title":"Low Temperature Variation of Superfluid Phase Stiffness in the Presence of Two Mutually Exclusive Orderings","authors":"Doyel Rakshit,&nbsp;Ajay Kumar Ghosh","doi":"10.1007/s10948-024-06872-w","DOIUrl":"10.1007/s10948-024-06872-w","url":null,"abstract":"<div><p>Superfluid phase stiffness (SPS) in the presence of two co-existing and mutually exclusive superconducting and magnetic ordering has been studied in (i) the pure EBCO and (ii) a composite system of nanoparticles of Sn and EBCO superconductors. SPS has been extracted in two different methods by using (i) nonlinear current–voltage (<i>IV</i>) characteristics and (ii) magnetization (<i>M</i>) as a function of the applied magnetic field (<i>H</i>). Variations of the SPS with temperature (<i>T</i>) are found to be different in transport and magnetic methods. A possible reason of the difference has been discussed. The nature of the variation of the SPS in the presence of nanoparticles of Sn has been explored in terms of the distribution of the bound vortex–anti-vortex pairs within the framework of the BKT transition.</p></div>","PeriodicalId":669,"journal":{"name":"Journal of Superconductivity and Novel Magnetism","volume":"38 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142844927","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
下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：481959085
Book学术官方微信