Communications Materials最新文献

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Resolving the fundamentals of the J-integral concept by multi-method in situ nanoscale stress-strain mapping. 用多方法原位纳米应力-应变映射解决j积分概念的基本原理。
IF 7.5
Communications Materials Pub Date : 2025-01-01 Epub Date: 2025-02-22 DOI: 10.1038/s43246-025-00752-z
Michael Meindlhumer, Markus Alfreider, Noel Sheshi, Anton Hohenwarter, Juraj Todt, Martin Rosenthal, Manfred Burghammer, Enrico Salvati, Jozef Keckes, Daniel Kiener
{"title":"Resolving the fundamentals of the <i>J</i>-integral concept by multi-method in situ nanoscale stress-strain mapping.","authors":"Michael Meindlhumer, Markus Alfreider, Noel Sheshi, Anton Hohenwarter, Juraj Todt, Martin Rosenthal, Manfred Burghammer, Enrico Salvati, Jozef Keckes, Daniel Kiener","doi":"10.1038/s43246-025-00752-z","DOIUrl":"10.1038/s43246-025-00752-z","url":null,"abstract":"<p><p>The integrity of structural materials is oftentimes defined by their resistance against catastrophic failure through dissipative plastic processes at the crack tip, commonly quantified by the <i>J</i>-integral concept. However, to date the experimental stress and strain fields necessary to quantify the <i>J</i>-integral associated with local crack propagation in its original integral form were inaccessible. Here, we present a multi-method nanoscale strain- and stress-mapping surrounding a growing crack tip in two identical miniaturized fracture specimens made from a nanocrystalline FeCrMnNiCo high-entropy alloy. The respective samples were tested in situ in a scanning electron microscope and a synchrotron X-ray nanodiffraction setup, with detailed analyzes of loading states during elastic loading, crack tip blunting and general yielding, corroborated by a detailed elastic-plastic finite element model. This complementary in situ methodology uniquely enabled a detailed quantification of the <i>J</i>-integral along different integration paths from experimental nanoscale stress and strain fields. We find that conventional linear-elastic and elastic-plastic models, typically used to interpret fracture phenomena, have limited applicability at micron to nanoscale distances from propagating cracks. This for the first time unravels a limit to the path-independence of the <i>J</i>-integral, which has significant implications in the development and assessment of modern damage-tolerant materials and microstructures.</p>","PeriodicalId":10589,"journal":{"name":"Communications Materials","volume":"6 1","pages":"35"},"PeriodicalIF":7.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11846709/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143491098","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of in situ tissue-engineered arteriovenous grafts suitable for cannulation in a large animal model. 在大型动物模型中评估适合插管的原位组织工程动静脉移植物。
IF 7.5
Communications Materials Pub Date : 2025-01-01 Epub Date: 2025-07-16 DOI: 10.1038/s43246-025-00879-z
Paul J Besseling, Wojciech Szymczyk, Martin Teraa, Raechel J Toorop, Paul A A Bartels, Boris Arts, Rob C H Driessen, Arturo M Lichauco, Hidde C Bakker, Joost O Fledderus, Gert J de Borst, Patricia Y W Dankers, Carlijn V C Bouten, Marianne C Verhaar
{"title":"Evaluation of in situ tissue-engineered arteriovenous grafts suitable for cannulation in a large animal model.","authors":"Paul J Besseling, Wojciech Szymczyk, Martin Teraa, Raechel J Toorop, Paul A A Bartels, Boris Arts, Rob C H Driessen, Arturo M Lichauco, Hidde C Bakker, Joost O Fledderus, Gert J de Borst, Patricia Y W Dankers, Carlijn V C Bouten, Marianne C Verhaar","doi":"10.1038/s43246-025-00879-z","DOIUrl":"10.1038/s43246-025-00879-z","url":null,"abstract":"<p><p>The sustainability of vascular access for hemodialysis is limited by frequent interventions and the inability of synthetic grafts to self-heal. Tissue engineering offers a solution through biodegradable grafts that remodel into autologous tissue. Here we assess electrospun polycarbonate-bis urea (PC-BU) vascular scaffolds (6mm-inner-Ø), reinforced with 3D-printed polycaprolactone coils, in a goat model, and compared them to expanded polytetrafluoroethylene (ePTFE) controls. The tissue-engineered grafts were repeatedly cannulated starting two weeks after implantation and were evaluated using computed tomography and histological analyses. By 12 weeks, the PC-BU grafts remodel into autologous tissue while maintaining structural integrity, maintaining integrity without dilations, ruptures, or aneurysms. Cannulation does not interfere with scaffold degradation or neo-tissue formation. Although the patency rate is lower for the PC-BU grafts (50%) compared to ePTFE (100%), the engineered grafts exhibit a self-healing response not seen in ePTFE. These findings demonstrate the potential of PC-BU tissue-engineered grafts as healing, functional vascular access solutions for hemodialysis, supporting cannulation during tissue transformation.</p>","PeriodicalId":10589,"journal":{"name":"Communications Materials","volume":"6 1","pages":"151"},"PeriodicalIF":7.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12267051/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144674036","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Disorder-induced universality and scaling in hole-doped iron-based superconductors. 空穴掺杂铁基超导体的无序诱导普适性和标度。
IF 7.5
Communications Materials Pub Date : 2025-01-01 Epub Date: 2025-07-10 DOI: 10.1038/s43246-025-00843-x
Omar Chmaissem, Ryan Stadel, Keith M Taddei, Daniel Bugaris, Dmitry D Khalyavin, Pascal Manuel, Duck Young Chung, Mercouri G Kanatzidis, Raymond Osborn, Stephan Rosenkranz
{"title":"Disorder-induced universality and scaling in hole-doped iron-based superconductors.","authors":"Omar Chmaissem, Ryan Stadel, Keith M Taddei, Daniel Bugaris, Dmitry D Khalyavin, Pascal Manuel, Duck Young Chung, Mercouri G Kanatzidis, Raymond Osborn, Stephan Rosenkranz","doi":"10.1038/s43246-025-00843-x","DOIUrl":"10.1038/s43246-025-00843-x","url":null,"abstract":"<p><p>Iron-based superconductors exhibit various magnetic and electronic phases that are highly sensitive to structural and chemical modifications. Elucidating the origins of these phases remains a central challenge. Here, using neutron and x-ray diffraction, we uncover a universal phase diagram that identifies disorder as a hidden tuning parameter governing these phase transitions. By analyzing nine hole-doped phase diagrams, we observe the emergence of a double-Q tetragonal magnetic phase in proximity to ideal FeAs<sub>4</sub> tetrahedral configurations, thereby demonstrating a strong link between bond-angle stabilization and magnetic transitions. Beyond stabilizing the double-Q phase, atomic disorder also influences charge doping and magnetic anisotropy. We further observe similar scaling behavior of the transition temperatures of the double-Q and the more prevalent orthorhombic single-Q magnetic phases, evidencing a unified origin of structural and magnetic properties linked to itinerant nesting instability. Our findings establish a comprehensive basis for understanding how chemical disorder, charge doping, and structural features collectively shape the magnetic and superconducting properties of iron-based superconductors.</p>","PeriodicalId":10589,"journal":{"name":"Communications Materials","volume":"6 1","pages":"146"},"PeriodicalIF":7.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12245714/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144625531","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Exploring cluster formation in uranium oxidation using high resolution X-ray spectroscopy at elevated temperatures. 利用高分辨率x射线光谱在高温下探索铀氧化中的团簇形成。
IF 7.5
Communications Materials Pub Date : 2025-01-01 Epub Date: 2025-04-17 DOI: 10.1038/s43246-025-00795-2
Elena F Bazarkina, Stephen Bauters, Yves Watier, Stephan Weiss, Sergei M Butorin, Kristina O Kvashnina
{"title":"Exploring cluster formation in uranium oxidation using high resolution X-ray spectroscopy at elevated temperatures.","authors":"Elena F Bazarkina, Stephen Bauters, Yves Watier, Stephan Weiss, Sergei M Butorin, Kristina O Kvashnina","doi":"10.1038/s43246-025-00795-2","DOIUrl":"https://doi.org/10.1038/s43246-025-00795-2","url":null,"abstract":"<p><p>Uranium dioxide (UO<sub>2</sub>) is a complex material with significant relevance to nuclear energy, materials science, and fundamental research. Understanding its high-temperature behavior is crucial for developing new uranium-based materials and improving nuclear fuel efficiency in nuclear reactors. Here we study the evolution of uranium state during the oxidation of UO<sub>2</sub> in air at temperatures up to 550 °C using the in situ X-ray absorption spectroscopy in high energy resolution fluorescence detection mode at the U M<sub>4</sub> edge, combined with electronic structure calculations. Our data reveal a complex sequence of events occurring over minutes and hours at elevated temperatures, including changes in the electronic and local structure, <i>5</i> <i>f</i> electron occupancy, the formation of U cuboctahedral clusters, and the creation of U<sub>4</sub>O<sub>9</sub> and U<sub>3</sub>O<sub>7</sub> mixed U oxide phases. These findings highlight the fundamental role of clustering processes and pentavalent uranium in both the oxidation process and the stabilization of uranium materials.</p>","PeriodicalId":10589,"journal":{"name":"Communications Materials","volume":"6 1","pages":"75"},"PeriodicalIF":7.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12006023/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143969846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Harnessing the bio-adhesive power of natural deep eutectic solvents for trichome-inspired pest control. 利用天然深共晶溶剂的生物粘附力来控制毛虫。
IF 7.5
Communications Materials Pub Date : 2025-01-01 Epub Date: 2025-05-19 DOI: 10.1038/s43246-025-00823-1
Abinaya Arunachalam, Tim Oosterhoff, Isabel Breet, Peter Dijkstra, Roshan Akdar Mohamed Yunus, Daniele Parisi, Bram Knegt, Mirka Macel, Marleen Kamperman
{"title":"Harnessing the bio-adhesive power of natural deep eutectic solvents for trichome-inspired pest control.","authors":"Abinaya Arunachalam, Tim Oosterhoff, Isabel Breet, Peter Dijkstra, Roshan Akdar Mohamed Yunus, Daniele Parisi, Bram Knegt, Mirka Macel, Marleen Kamperman","doi":"10.1038/s43246-025-00823-1","DOIUrl":"10.1038/s43246-025-00823-1","url":null,"abstract":"<p><p>The carnivorous <i>Drosera</i> species employ hair-like appendages called trichomes that secrete a deadly adhesive consisting of an acidic polysaccharide, sugars, organic acids, and water to capture prey insects. Here, we develop a sustainable alternative to chemical pesticides using hyaluronic acid in a sugar-based natural deep eutectic solvent to mimic the composition and trapping mechanism of the <i>Drosera</i> mucilage. We formulate trichome biomimetic adhesives that become sprayable with added water to lower their viscosity, which can then regain the required adhesiveness as water evaporates up to the equilibrium content. Using a custom indentation setup, we measure promising adhesion energies between 9.5-14.5 µJ over one week, along with the formation of elongated fibrils (>2.3 cm) for the best-performing sample. Additionally, the material shows no phytotoxicity for over two weeks and effectively immobilizes western flower thrips through multiple contact points with the material in Petri dish bioassays, highlighting its efficacy and trapping mechanism akin to natural trichomes.</p>","PeriodicalId":10589,"journal":{"name":"Communications Materials","volume":"6 1","pages":"101"},"PeriodicalIF":7.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12088983/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144119107","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigation of hybrid plasmons in a highly crystalline Bi2Se3/C60 heterostructure using low-loss electron energy loss spectroscopy. 利用低损耗电子能量损失光谱研究高结晶Bi2Se3/C60异质结构中的杂化等离子体。
IF 9.6
Communications Materials Pub Date : 2025-01-01 Epub Date: 2025-07-29 DOI: 10.1038/s43246-025-00886-0
Mairi McCauley, Lida Ansari, Farzan Gity, Matthew Rogers, Joel Burton, Satoshi Sasaki, Quentin Ramasse, Craig Knox, Paul K Hurley, Donald MacLaren, Timothy Moorsom
{"title":"Investigation of hybrid plasmons in a highly crystalline Bi<sub>2</sub>Se<sub>3</sub>/C<sub>60</sub> heterostructure using low-loss electron energy loss spectroscopy.","authors":"Mairi McCauley, Lida Ansari, Farzan Gity, Matthew Rogers, Joel Burton, Satoshi Sasaki, Quentin Ramasse, Craig Knox, Paul K Hurley, Donald MacLaren, Timothy Moorsom","doi":"10.1038/s43246-025-00886-0","DOIUrl":"10.1038/s43246-025-00886-0","url":null,"abstract":"<p><p>Topological Insulators (TIs) present an interesting materials platform for nanoscale, high frequency devices because they support high mobility, low scattering electronic transport within confined surface states. However, a robust methodology to control the properties of surface plasmons in TIs has yet to be developed. Surface doping of TIs with molecules may provide tunable control of the two-dimensional plasmons in Bi<sub>2</sub>Se<sub>3</sub>, but exploration of such heterostructures is still at an early stage and usually confined to monolayers. We have grown heterostructures of Bi<sub>2</sub>Se<sub>3</sub>/C<sub>60</sub> with exceptional crystallinity. Electron energy loss spectroscopy (EELS) reveals significant hybridisation of <i>π</i> states at the interface, despite the expectation for only weak van der Waals interactions, including quenching of 2D plasmons. Momentum-resolved EELS measurements are used to probe the plasmon dispersion, with Density Functional Theory predictions providing an interpretation of results based on interfacial charge dipoles. This work provides growth methodology and characterization of highly crystalline TI/molecular interfaces that can be engineered for plasmonic applications in energy, communications and sensing.</p>","PeriodicalId":10589,"journal":{"name":"Communications Materials","volume":"6 1","pages":"166"},"PeriodicalIF":9.6,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12307225/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144759352","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of Peierls-like distortions on transport in amorphous phase change devices. 类佩尔畸变对非晶相变器件输运的影响。
IF 7.5
Communications Materials Pub Date : 2025-01-01 Epub Date: 2025-03-29 DOI: 10.1038/s43246-025-00776-5
Nils Holle, Sebastian Walfort, Riccardo Mazzarello, Martin Salinga
{"title":"Effect of Peierls-like distortions on transport in amorphous phase change devices.","authors":"Nils Holle, Sebastian Walfort, Riccardo Mazzarello, Martin Salinga","doi":"10.1038/s43246-025-00776-5","DOIUrl":"10.1038/s43246-025-00776-5","url":null,"abstract":"<p><p>Today, devices based on phase change materials (PCMs) are expanding beyond their traditional application in non-volatile memory, emerging as promising components for future neuromorphic computing systems. Despite this maturity, the electronic transport in the amorphous phase is still not fully understood, which holds in particular for the resistance drift. This phenomenon has been linked to physical aging of the glassy state. PCM glasses seem to evolve towards structures with increasing Peierls-like distortions. Here, we provide direct evidence for a link between Peierls-like distortions and local current densities in nanoscale phase change devices. This supports the idea of the evolution of these distortions as a source of resistance drift. Using a combination of density functional theory and non-equilibrium Green's function calculations, we show that electronic transport proceeds by states close to the Fermi level that extend over less distorted atomic environments. We further show that nanoconfinement of a PCM leads to a wealth of phenomena in the atomic and electronic structure as well as electronic transport, which can only be understood when interfaces to confining materials are included in the simulation. Our results therefore highlight the importance and prospects of atomistic-level interface design for the advancement of nanoscaled phase change devices.</p>","PeriodicalId":10589,"journal":{"name":"Communications Materials","volume":"6 1","pages":"56"},"PeriodicalIF":7.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11953050/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143751424","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Geometrical design of 3D superconducting diodes. 三维超导二极管的几何设计。
IF 7.5
Communications Materials Pub Date : 2025-01-01 Epub Date: 2025-04-13 DOI: 10.1038/s43246-025-00788-1
Philip Jw Moll
{"title":"Geometrical design of 3D superconducting diodes.","authors":"Philip Jw Moll","doi":"10.1038/s43246-025-00788-1","DOIUrl":"https://doi.org/10.1038/s43246-025-00788-1","url":null,"abstract":"<p><p>The design of advanced functionality in superconducting electronics usually focuses on materials engineering, either in heterostructures or in compounds of unconventional quantum materials. Here we demonstrate a different strategy to bespoke function by controlling the 3D shape of superconductors on the micron-scale. As a demonstration, a large superconducting diode effect is engineered solely by 3D shape design of a conventional superconductor, ion-beam deposited tungsten. Its highly efficient diode behavior appears from its triangular cross-section when vortices break time-reversal and all mirror symmetries. Interestingly reciprocity is observed at four low-symmetry field angles where diode behavior would be expected. This can be understood as a geometric mechanism unique to triangular superconductors. Geometry and topology induce a rich internal structure due to the high-dimensional tuning parameter space of 3D microstructures, inaccessible to the conventional 2D design strategies in thin films.</p>","PeriodicalId":10589,"journal":{"name":"Communications Materials","volume":"6 1","pages":"73"},"PeriodicalIF":7.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11994448/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143971570","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Biomimetic aerogels with hierarchical honeycomb architecture for superior CO2 adsorption, selectivity, and structural integrity. 具有分层蜂窝结构的仿生气凝胶,具有优越的CO2吸附,选择性和结构完整性。
IF 7.5
Communications Materials Pub Date : 2025-01-01 Epub Date: 2025-07-02 DOI: 10.1038/s43246-025-00861-9
Sucharita Pal, Edward Pl Roberts, Milana Trifkovic, Giovanniantonio Natale
{"title":"Biomimetic aerogels with hierarchical honeycomb architecture for superior CO<sub>2</sub> adsorption, selectivity, and structural integrity.","authors":"Sucharita Pal, Edward Pl Roberts, Milana Trifkovic, Giovanniantonio Natale","doi":"10.1038/s43246-025-00861-9","DOIUrl":"10.1038/s43246-025-00861-9","url":null,"abstract":"<p><p>In structured adsorbents, achieving mesoporosity, crucial for efficient gas adosorption, is challenging, which restricts mass transport and accessibility to active sites. Here, we address this limitation by developing the first hierarchically porous honeycomb aerogels that replicate hexagonal pores at both the macro-level and micro-level wall structure. This design, inspired by nature's most efficient patterns, enables us to achieve CO₂ adsorption capacity (3.94 mmol g<sup>-</sup>¹ at 298 K and 1 bar), selectivity (65.2 CO₂/N₂), and high specific surface area (370 m² g<sup>-</sup>¹). The honeycomb aerogels are constructed from manganese dioxide (MnO₂) functionalized electrochemically exfoliated graphene (MEEG) and chitosan (CS). By optimizing the MnO₂ loading and the MEEG to CS weight ratio, we achieved dual-scale hexagonal porosity, enabling a hybrid physical and chemical adsorption mechanism. The hybrid adsorption leverages the rapid kinetics of chemisorption and ease of regeneration characteristic of physisorption, making these materials highly efficient. This highlights the synergy between enhanced surface accessibility of primary amine groups and selective adsorption properties, setting a new standard for hierarchically structured materials.</p>","PeriodicalId":10589,"journal":{"name":"Communications Materials","volume":"6 1","pages":"130"},"PeriodicalIF":7.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12221977/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144574973","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Short-wave magnons with multipole spin precession detected in the topological bands of a skyrmion lattice. 在斯基子晶格的拓扑带中检测到具有多极自旋进动的短波磁振子。
IF 7.5
Communications Materials Pub Date : 2025-01-01 Epub Date: 2025-07-04 DOI: 10.1038/s43246-025-00858-4
Ping Che, Riccardo Ciola, Markus Garst, Volodymyr Kravchuk, Priya R Baral, Arnaud Magrez, Helmuth Berger, Thomas Schönenberger, Henrik M Rønnow, Dirk Grundler
{"title":"Short-wave magnons with multipole spin precession detected in the topological bands of a skyrmion lattice.","authors":"Ping Che, Riccardo Ciola, Markus Garst, Volodymyr Kravchuk, Priya R Baral, Arnaud Magrez, Helmuth Berger, Thomas Schönenberger, Henrik M Rønnow, Dirk Grundler","doi":"10.1038/s43246-025-00858-4","DOIUrl":"10.1038/s43246-025-00858-4","url":null,"abstract":"<p><p>Topological magnon bands enable uni-directional edge transport without backscattering, enhancing the robustness of magnonic circuits and providing a novel platform for exploring quantum transport phenomena. Magnetic skyrmion lattices, in particular, host a manifold of topological magnon bands with multipole character and non-reciprocal dispersions. These modes have been explored already in the short and long wavelength limit, but previously employed techniques were unable to access intermediate wavelengths comparable to inter-skyrmion distances. Here, we report the detection of such magnons with wavevectors ∣q∣ ≃ 48 rad μm<sup>-1</sup> in the metastable skyrmion lattice phase of the bulk chiral magnet Cu<sub>2</sub>OSeO<sub>3</sub> using Brillouin light scattering microscopy. Thanks to its high sensitivity and broad bandwidth various multipole excitation modes could be resolved over a wide magnetic field regime. Besides the known counterclockwise, breathing and clockwise modes with dipole character, quantitative comparison of frequencies and spectral weights to theoretical predictions enabled the additional identification of a quadrupole mode and, possibly, a sextupole mode. Our work highlights the potential of skyrmionic phases for the design of magnonic devices exploiting topological magnon states at GHz frequencies.</p>","PeriodicalId":10589,"journal":{"name":"Communications Materials","volume":"6 1","pages":"139"},"PeriodicalIF":7.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12227311/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144574975","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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