Magnetically Driven Elastic Microswimmers: Exploiting Hysteretic Collapse for Autonomous Propulsion and Independent Control

本文提出了一种由三个磁性珠子和两个弹性连接组成的磁驱动弹性微游泳器,其利用外部振荡磁场诱导的滞后性非互易折叠与展开机制实现净推进,并通过优化几何结构与磁场参数实现了对不同微游泳器的独立控制,为靶向药物输送等微创医疗应用提供了可行方案。

Theo Lequy, Andreas M. MenzelWed, 11 Ma🔬 physics.app-ph

3D Mapping of Intragranular Residual Strain and Microstructure in Recrystallized Iron Using Dark-Field X-ray Microscopy

该研究利用暗场 X 射线显微技术,首次对完全再结晶的工业纯铁进行了非破坏性三维测量,揭示了晶粒内部存在约$10^{-4}$量级的异质残余弹性应变,并探讨了其对后续晶粒生长及晶界迁移的潜在影响。

Virginia Sanna, Yubin Zhang, Wolfgang Ludwig, Aditya Shukla, Abderrahmane Benhadjira, Marilyn Sarkis, Can YildirimWed, 11 Ma🔬 cond-mat.mtrl-sci

Interface Engineered Moiré Graphene Superlattices: Breaking the Auger Carrier Multiplication Limit for Infrared Single-Photon Detection

该研究通过构建双层 10°扭转及五层堆叠的莫尔石墨烯超晶格,利用界面局域态密度增强和热化光学声子瓶颈效应,实现了高达 10³ 的载流子倍增增益,从而突破了传统限制并开发出具有超高信噪比(>100 dB)的近红外单光子雪崩探测器。

Sichao Du, Ning Li, Zhufeng Pan, Munir Ali, Hengrui Zhang, Duokai Chang, Yuehang Zhang, Qiang Wen, Shuo Zhang, Hao Wu, Yunlei Sun, Qiuting Wang, Hao Xie, Chaohao Chen, Zhenyi Ni, Qiangbing Guo, Duo Xiao, Wen-Yan YinWed, 11 Ma🔬 physics.app-ph

DFT calculations of magnetocrystalline anisotropy energy with fixed spin moment

该论文提出利用全相对论固定自旋矩(FR-FSM)方法,通过构建磁各向异性能与自旋磁矩的关系曲线,有效调和了不同交换关联势计算结果的差异,并为预测材料最大磁各向异性能及优化合金成分以设计新型永磁体提供了实用框架。

Justyn Snarski-Adamski (Institute of Molecular Physics, Polish Academy of Sciences, Poznan, Poland), Joanna Marciniak (Institute of Molecular Physics, Polish Academy of Sciences, Poznan, Poland, Uppsala University, Uppsala, Sweden), Wojciech Marciniak (Institute of Molecular Physics, Polish Academy of Sciences, Poznan, Poland, Poznan University of Technology, Poznan, Poland), Justyna Rychły-Gruszecka (Institute of Molecular Physics, Polish Academy of Sciences, Poznan, Poland), Mirosław Werwinski (Institute of Molecular Physics, Polish Academy of Sciences, Poznan, Poland)Wed, 11 Ma🔬 cond-mat.mtrl-sci

Transition Waves in Mechanical Metamaterials with Neighbor-Programmable Energy Landscapes

该研究通过实验和数值模拟展示了一种新型机械超材料,其单稳态单元的能量景观可通过邻居状态进行编程,从而实现了由几何设计和质量分布控制的、高度离散且方向无偏的过渡波传播,为超越传统内禀多稳态结构的超材料设计开辟了新途径。

Eleonore Duval, Giada Risso, Alex Zhang, Vincent Tournat, Katia BertoldiWed, 11 Ma🔬 physics.app-ph

Flux Trapping Characterization for Superconducting Electronics Using a Cryogenic Widefield NV-Diamond Microscope

该论文介绍了一种用于超导电子器件的低温宽场氮 - 空位(NV)金刚石磁显微镜,该技术能够实现对磁通捕获的快速、微米级成像,并通过测量铌薄膜及图案化条带中的涡旋排出场,揭示了条带宽度在 10 至 20 微米间的行为转变及其与薄膜缺陷的关联,从而为可扩展超导电子学的磁通抑制策略提供了新见解。

Rohan T. Kapur, Pauli Kehayias, Sergey K. Tolpygo, Adam A. Libson, George Haldeman, Collin N. Muniz, Alex Wynn, Nathaniel J. O'Connor, Neel A. Parmar, Ryan Johnson, Andrew C. Maccabe, John Cummings, Justin L. Mallek, Danielle A. Braje, Jennifer M. SchlossTue, 10 Ma⚛️ quant-ph

Atomistic Framework for Glassy Polymer Viscoelasticity Across Twenty Frequency Decades

该研究通过引入时间依赖记忆核的广义朗之万方程扩展非仿射变形理论,成功实现了对聚甲基丙烯酸甲酯(PMMA)玻璃态聚合物在跨越二十个数量级频率范围内粘弹性响应的统一表征,其预测结果与多种实验及模拟数据高度吻合。

Ankit Singh, Vinay Vaibhav, Caterina Czibula, Astrid Macher, Petra Christoefl, Karin Bartl, Gregor Trimmel, Timothy W. Sirk, Alessio ZacconeTue, 10 Ma🔬 cond-mat.mtrl-sci

Influence of Radiation and AC Coupling on Time Performance of Analog Pixels Test Structures in 65 nm CMOS technology

该研究通过束流测试评估了 TPSCo 65 nm CMOS 工艺中直流与交流耦合模拟像素测试结构在辐射环境下的性能,证实了两者均具备高探测效率与优异的时间分辨率,验证了其在未来高辐射耐受性对撞机探测器中的应用潜力。

Gianluca Aglieri Rinella, Luca Aglietta, Matias Antonelli, Francesco Barile, Franco Benotto, Stefania Maria Beole, Elena Botta, Giuseppe Eugenio Bruno, Domenico Colella, Angelo Colelli, Giacomo Contin, Giuseppe De Robertis, Floarea Dumitrache, Domenico Elia, Chiara Ferrero, Martin Fransen, Alessandro Grelli, Hartmut Hillemanns, Isis Hobus, Alex Kluge, Shyam Kumar, Corentin Lemoine, Francesco Licciulli, Bong-Hwi Lim, Flavio Loddo, Esther Mwetaminwa M Bilo, Magnus Mager, Davide Marras, Paolo Martinengo, Cosimo Pastore, Rajendra Nath Patra, Stefania Perciballi, Francesco Piro, Francesco Prino, Luciano Ramello, Felix Reidt, Roberto Russo, Valerio Sarritzu, Umberto Savino, Serhiy Senyukov, Mario Sitta, Walter Snoeys, Jory Sonneveld, Miljenko Suljic, Triloki Triloki, Gianluca Usai, Haakan WennlofTue, 10 Ma🔬 physics.app-ph

Embedded Ferroelectric Nanoclusters can drive Polarization Reversal in a Non-Ferroelectric Polar Film via the Proximity Effect

该研究通过朗道 - 金兹堡 - 德文希尔热力学方法与有限元模拟证明,嵌入的 Al1-xScxN 铁电纳米团簇可利用近邻效应在 AlN 非铁电极性薄膜中诱导极化反转,从而显著降低其矫顽场并实现“解冻”冻结铁电体的可控成核。

Anna N. Morozovska, Eugene A. Eliseev, Sergei V. Kalin, Long-Qing Chen, Dean R. Evans, Venkatraman GopalanTue, 10 Ma🔬 cond-mat.mtrl-sci

Nanoscale imaging reveals critical plating and stripping mechanisms in anode-free lithium and sodium solid-state batteries

该研究通过引入虚拟电极低能电子显微镜(VE-LEEM)技术,揭示了无负极固态电池中锂和钠的沉积与剥离机制存在内在不对称性,指出剥离过程涉及晶界解链和团簇衰变并留下残留层,从而推翻了沉积与剥离动态镜像对称的传统假设,为设计高能量、长寿命的无负极固态电池提供了关键的界面能量框架。

J. Diaz-Sanchez, P. Hernandez-Martin, N. Kwiatek-Maroszek, H. R. Bratlie, R. Anton, A. Lowack, A. Galindo, K. Kataoka, E. Vasco, K. Nikolowski, D. Rettenwander, E. G. Michel, M. A. Nino, M. Foerster, C. PolopTue, 10 Ma🔬 cond-mat.mtrl-sci

Quantum Technologies and Edge Devices in Electrical Grids: Opportunities, Challenges, and Future Directions

本文探讨了将量子计算、量子传感和量子通信等前沿技术集成到电力边缘设备中,以解决传统设备在数据处理、传感精度及通信安全方面面临的瓶颈,并分析了其带来的机遇、挑战与未来发展方向。

Marjorie Hoegen, René Glebke, M. Sahnawaz Alam, Alessandro David, Juan Navarro Arenas, Nikolaus Wirtz, Mario Albanese, Daniele Carta, Felix Motzoi, Antonello Monti, Carsten Schuck, Andrea Benigni, Klaus Wehrle, Ferdinanda PonciTue, 10 Ma⚛️ quant-ph