Nano Convergence最新文献

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Active multiplexing for scalable generation and manipulation of photonic quantum states 用于可扩展光子量子态生成和操作的有源多路复用。
IF 11 2区 材料科学
Nano Convergence Pub Date : 2026-02-25 DOI: 10.1186/s40580-026-00540-6
Fumihiro Kaneda, Masahiro Yabuno
{"title":"Active multiplexing for scalable generation and manipulation of photonic quantum states","authors":"Fumihiro Kaneda,&nbsp;Masahiro Yabuno","doi":"10.1186/s40580-026-00540-6","DOIUrl":"10.1186/s40580-026-00540-6","url":null,"abstract":"<div><p>Photons serve as essential carriers of quantum information in quantum computing, quantum networking, and quantum metrology. However, the lack of direct photon-photon interaction poses a fundamental barrier: the inherently probabilistic nature of nonlinear quantum operations. Active multiplexing has emerged as the critical strategy, transforming probabilistic nonlinear processes into deterministic building blocks for large-scale quantum systems. In this review, we explore the recent progress and potential architectures of photonic active multiplexing systems, ranging from the quasi-deterministic generation of single photons and complex entangled states to the realization of measurement-based quantum computing architectures. We also provide an overview of recent advancements in enabling hardware—including basic photon sources, detectors, switches, and their integration. By analyzing the state of the art and identifying key remaining challenges, we highlight how active multiplexing strategies serve as the cornerstone for the next generation of scalable photonic quantum information processing.</p><h3>Graphical abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":712,"journal":{"name":"Nano Convergence","volume":"13 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2026-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12936282/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147281697","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Heterogeneous metal substitution–driven selectivity enhancement in single-phase spinel oxides for interference-free electrochemical hydrogen sulfide detection 非均相金属取代驱动的单相尖晶石氧化物选择性增强,用于无干扰的电化学硫化氢检测。
IF 11 2区 材料科学
Nano Convergence Pub Date : 2026-02-23 DOI: 10.1186/s40580-026-00539-z
Namhee Kim, Jeongyun Lee, Dasol Jin, Youngmi Lee, Myung Hwa Kim
{"title":"Heterogeneous metal substitution–driven selectivity enhancement in single-phase spinel oxides for interference-free electrochemical hydrogen sulfide detection","authors":"Namhee Kim,&nbsp;Jeongyun Lee,&nbsp;Dasol Jin,&nbsp;Youngmi Lee,&nbsp;Myung Hwa Kim","doi":"10.1186/s40580-026-00539-z","DOIUrl":"10.1186/s40580-026-00539-z","url":null,"abstract":"<div><p>Nanomaterial-based electrochemical sensors are promising tools in atmospheric chemistry, offering reliable detection of toxic gases. Here, we report a single-phase tetrametallic spinel oxide, (Mn<sub>0.56</sub>Cr<sub>0.77</sub>Rh<sub>0.77</sub>Ni<sub>0.90</sub>)O<sub>4</sub> (MCRN-O), as an electrode material for amperometric H<sub>2</sub>S sensing. Synergistic interactions among multiple cations within the spinel framework enabled homogeneous integration, imparting distinctive physicochemical properties and superior electrochemical performance. In deaerated phosphate-buffered saline solution (0.05 M), MCRN-O delivered high sensitivity (0.0084 µA µM<sup>–1</sup>) and a low detection limit (0.058 µM), markedly outperforming the comparison samples MCN-O and MC-O. It also exhibited excellent selectivity, with coefficient values below − 2 for CO and NO, while achieving performance comparable to or better than previously reported electrochemical H<sub>2</sub>S sensors.</p><h3>Graphical abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":712,"journal":{"name":"Nano Convergence","volume":"13 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2026-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12929741/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147269444","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Correlating nanoscale electronic uniformity and device performance in mixed-cation perovskite solar cells driven by sequential deposition 顺序沉积驱动的混合阳离子钙钛矿太阳能电池纳米级电子均匀性与器件性能的相关性研究。
IF 11 2区 材料科学
Nano Convergence Pub Date : 2026-02-21 DOI: 10.1186/s40580-026-00541-5
Yeonseo Gim, Ha Kyung Park, Geumha Lim, Jihyun Kim, Yeon Soo Kim, William Jo
{"title":"Correlating nanoscale electronic uniformity and device performance in mixed-cation perovskite solar cells driven by sequential deposition","authors":"Yeonseo Gim,&nbsp;Ha Kyung Park,&nbsp;Geumha Lim,&nbsp;Jihyun Kim,&nbsp;Yeon Soo Kim,&nbsp;William Jo","doi":"10.1186/s40580-026-00541-5","DOIUrl":"10.1186/s40580-026-00541-5","url":null,"abstract":"<div><p>Perovskite solar cells have garnered substantial attention in recent years owing to their high efficiency and the tunable bandgaps of their perovskite absorbers. Among various fabrication techniques, vacuum-based thermal evaporation offers particularly advantageous by minimizing environmental influences such as humidity, thereby enabling enhanced phase stability and reproducibility. In particular, sequential thermal evaporation allows precise control over the deposition rate, thickness, and stacking order of individual precursor layers, providing a versatile platform for nanoscale materials engineering. In this study, mixed-cation perovskite thin films based on formamidinium lead iodide (FAPbI<sub>3</sub>) and cesium lead iodide (CsPbI<sub>3</sub>) were fabricated via sequential thermal evaporation. By optimizing the deposition sequence of organic and inorganic precursors, a well-defined solid-state diffusion pathway was established for efficient Cs<sup>+</sup> incorporation into the perovskite layer. Structural and optical analyses, including X-ray diffraction and photoluminescence spectroscopy, revealed that Cs<sup>+</sup> incorporation stabilizes the alpha-phase and enhances crystallinity while suppressing non-radiative recombination. Among the optical characterization, time-resolved photoluminescence and surface photovoltage measurements demonstrate prolonged carrier lifetimes, a stabilized local potential landscape under illumination, and reduced charge trapping. These structural and electronic enhancements resulted in superior device stability and performance, characterized by improved photocurrent generation and suppressed <i>J-V</i> hysteresis. As a result, the fill factor and the short-circuit current density increases and the power conversion efficiency of the devices improved dramatically—from 8.89% to 16.88%. Overall, this work demonstrates that sequential deposition engineering serves as a critical nanoscale design strategy for controlling cation distribution and phase stability in vacuum-processed perovskite thin films, thereby enabling robust and high-performance perovskite solar cells.</p><h3>Graphical abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":712,"journal":{"name":"Nano Convergence","volume":"13 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2026-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12924806/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146256985","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design strategies, methods, and photophysical insights in polymeric photocatalysts for solar-driven hydrogen evolution 设计策略,方法和光物理的见解在聚合物光催化剂的太阳能驱动的析氢。
IF 11 2区 材料科学
Nano Convergence Pub Date : 2026-02-16 DOI: 10.1186/s40580-026-00537-1
Sowon Kim, Myungjin Kim, Danielle R. Lustig, Gayoung Ham, Changwoo Park, Damin Lee, Ludmilla Steier, Hyojung Cha
{"title":"Design strategies, methods, and photophysical insights in polymeric photocatalysts for solar-driven hydrogen evolution","authors":"Sowon Kim,&nbsp;Myungjin Kim,&nbsp;Danielle R. Lustig,&nbsp;Gayoung Ham,&nbsp;Changwoo Park,&nbsp;Damin Lee,&nbsp;Ludmilla Steier,&nbsp;Hyojung Cha","doi":"10.1186/s40580-026-00537-1","DOIUrl":"10.1186/s40580-026-00537-1","url":null,"abstract":"<div><p>Solar-driven hydrogen evolution is emerging as a pivotal strategy in the sustainable energy transition, offering a viable pathway for renewable hydrogen production. Inorganic photocatalysts, such as metal oxides, sulfides, and carbon-based materials, have been extensively studied; however, their performance is often limited by poor tunability of energy levels and structures, low processability, and inadequate utilization of visible light. In contrast, polymeric photocatalysts offer distinct advantages, including precise molecular tunability, scalable fabrication <i>via</i> solution processing, and adjustable energy levels for optimized solar absorption. This review highlights recent advances in polymeric photocatalysts, with particular emphasis on molecular- and particle-level design strategies, fabrication methodologies, and photophysical insights. Molecular design approaches, such as backbone engineering, side-chain modification, and heteroatom incorporation, are discussed alongside particle-level optimization through control of size, morphology, and molecular ordering. Emerging fabrication techniques, including direct polymer dispersions and nanoparticle-based processing, are examined in relation to their effects on dispersibility, light harvesting, and catalytic activity. Photophysical studies are also emphasized to elucidate charge-carrier dynamics and to establish structure–property–performance correlations. Finally, evaluation methodologies, such as hydrogen evolution performance metrics, benchmarking practices, and ongoing challenges in standardization, are critically assessed. This review aims to synthesize current achievements and provide perspectives to guide future research toward the practical implementation of polymeric photocatalysts for solar-driven hydrogen evolution.</p><h3>Graphical abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":712,"journal":{"name":"Nano Convergence","volume":"13 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2026-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12909724/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146199857","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Symmetry-driven spin splitting in altermagnets: an angle-resolved photoemission spectroscopy perspective 交替磁体中对称驱动的自旋分裂:角度分辨光发射光谱的视角。
IF 11 2区 材料科学
Nano Convergence Pub Date : 2026-02-11 DOI: 10.1186/s40580-026-00536-2
Jiayu Liu, Xun Ma, Xinnuo Zhang, Wenchuan Jing, Zhengtai Liu, Dawei Shen
{"title":"Symmetry-driven spin splitting in altermagnets: an angle-resolved photoemission spectroscopy perspective","authors":"Jiayu Liu,&nbsp;Xun Ma,&nbsp;Xinnuo Zhang,&nbsp;Wenchuan Jing,&nbsp;Zhengtai Liu,&nbsp;Dawei Shen","doi":"10.1186/s40580-026-00536-2","DOIUrl":"10.1186/s40580-026-00536-2","url":null,"abstract":"<div><p>Altermagnetism arises from composite real-space and spin-space symmetries, combining zero net magnetization with pronounced momentum-dependent spin splitting. This review highlights the pivotal role of angle-resolved photoemission spectroscopy (ARPES)—along with its spin-resolved (SARPES) and circular-dichroism (CD-ARPES) variants, in directly visualizing the nonrelativistic band splitting and spin textures of altermagnets. Within the spin-group framework, we distinguish ferromagnetic, antiferromagnetic, and altermagnetic orders and elucidate the symmetry origin of spin polarization. We then systematically review representative systems: the debated <span>(d)</span>-wave prototype RuO<sub>2</sub>, layered <span>(d)</span>-wave altermagnets KV<sub>2</sub>Se<sub>2</sub>O and Rb<sub>1−δ</sub> V<sub>2</sub>Te<sub>2</sub>O, and a series of <span>(g)</span>-wave compounds, including MnTe (domain-tunable) and CrSb (topological), together with the noncoplanar antiferromagnet MnTe<sub>2</sub> and other emerging and prospective candidates and platforms. Overall, ARPES has become a key microscope for resolving symmetry-driven spin splitting. Future advances in micro/nano-beam and <i>in-situ</i> spectroscopies, combined with strain and domain engineering, heterostructure design, and the exploration of broader unconventional magnetic states, are expected to drive the joint evolution of altermagnetism and photoemission spectroscopy, paving the way for spintronic and correlated quantum research.</p><h3>Graphical abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":712,"journal":{"name":"Nano Convergence","volume":"13 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2026-02-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12894586/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146155598","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Computational and experimental pathways to next-generation ultrawide-band-gap oxide semiconductors 下一代超宽带隙氧化物半导体的计算和实验途径。
IF 11 2区 材料科学
Nano Convergence Pub Date : 2026-02-04 DOI: 10.1186/s40580-026-00534-4
Sieun Chae, Jongin Kim, Joshua R. Anderson, Sanghyun Hong, Yaser Mike Banad, Hanjong Paik
{"title":"Computational and experimental pathways to next-generation ultrawide-band-gap oxide semiconductors","authors":"Sieun Chae,&nbsp;Jongin Kim,&nbsp;Joshua R. Anderson,&nbsp;Sanghyun Hong,&nbsp;Yaser Mike Banad,&nbsp;Hanjong Paik","doi":"10.1186/s40580-026-00534-4","DOIUrl":"10.1186/s40580-026-00534-4","url":null,"abstract":"<div><p>Ultrawide-band-gap (UWBG) oxide semiconductors are emerging as key platforms for next-generation energy-efficient, high-power, and high-frequency electronics. Further performance gains require the discovery of alternative UWBG systems with band gaps well above 4 eV, while offering intrinsically higher carrier mobility and controllable dopability. This paper highlights recent computational predictions and experimental advances toward such materials, with a focus on dopant activation, carrier density control, and phonon-limited mobility. Although computational screening has uncovered numerous promising candidates, most have yet to be realized as high-quality, single-crystalline thin films suitable for scalable devicefabrication. While epitaxial growth offers a unique platform to probe the intrinsic properties of these materials, the experimental realization is often limited by kinetic and processing constraints, such as nucleation dynamics and precise control of growth parameters. This gap often leads to significant deviations from the theoretical ground-state electrical transport properties. We examine the origins of these discrepancies and highlight integrated approaches, combining high-throughput computation with advanced epitaxial synthesis, to accelerate the development of next-generation UWBG oxide semiconductors.</p><h3>Graphical abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":712,"journal":{"name":"Nano Convergence","volume":"13 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2026-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12873060/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146117416","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
AI-driven quantitative review of mobility–stability trade-off in oxide semiconductors 人工智能驱动的氧化物半导体迁移率-稳定性权衡定量评价
IF 11 2区 材料科学
Nano Convergence Pub Date : 2026-01-31 DOI: 10.1186/s40580-026-00535-3
Ji Hoon Hong, Chi-Hoon Lee, Hyeon Woo Kim, Dong Won Jeon, Jun Hyuk Kang, Yoon-Seo Kim, Ji-Su Bae, Seonggil Heo, Sangyeon Lee, Jooyeong Na, Jaegook You, Soyeon Hong, Hyunsouk Cho, Jin-Seong Park, Sung Beom Cho
{"title":"AI-driven quantitative review of mobility–stability trade-off in oxide semiconductors","authors":"Ji Hoon Hong,&nbsp;Chi-Hoon Lee,&nbsp;Hyeon Woo Kim,&nbsp;Dong Won Jeon,&nbsp;Jun Hyuk Kang,&nbsp;Yoon-Seo Kim,&nbsp;Ji-Su Bae,&nbsp;Seonggil Heo,&nbsp;Sangyeon Lee,&nbsp;Jooyeong Na,&nbsp;Jaegook You,&nbsp;Soyeon Hong,&nbsp;Hyunsouk Cho,&nbsp;Jin-Seong Park,&nbsp;Sung Beom Cho","doi":"10.1186/s40580-026-00535-3","DOIUrl":"10.1186/s40580-026-00535-3","url":null,"abstract":"<div><p>Oxide semiconductors have emerged as critical channel materials for advanced display and next-generation memory technologies, offering superior electron mobility, excellent uniformity, and low-temperature processability. Despite successful commercialization in display backplanes since 2012, their broader adoption remains limited by an inherent trade-off between carrier mobility and device stability—a fundamental challenge arising from the complex interplay between conduction band dispersion and defect chemistry. The development of strategies to overcome this trade-off has therefore become essential for realizing high-performance oxide semiconductor devices in emerging applications. In this review, a comprehensive data-driven analysis of the mobility-stability trade-off in oxide semiconductor thin-film transistors is presented through large language model-powered extraction of over 1,000 experimental datasets from literature. First, the methodology for systematic data extraction and the quantitative visualization of the mobility-stability relationship are introduced. Then, the critical roles of channel composition, gate insulator selection, and post-deposition annealing temperature in determining device performance are statistically analyzed through kernel density estimation and correlation studies. Next, the temporal evolution of process technologies from 2003 to 2025 is examined, revealing progressive improvements in both mobility and stability through advanced strategies. Afterward, detailed case studies of outlier devices—those successfully transcending the conventional trade-off—are presented, identifying key breakthrough approaches including multi-channel architectures, crystallinity engineering, hybrid gate dielectrics, and interface optimization. The superior performance of atomic layer deposition compared to physical vapor deposition methods is demonstrated through comparative analysis. Finally, the implications of this data-driven framework for accelerating materials development are discussed, and future perspectives on leveraging AI-assisted analysis for semiconductor research are provided.</p><h3>Graphical abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":712,"journal":{"name":"Nano Convergence","volume":"13 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2026-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1186/s40580-026-00535-3.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146083186","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Machine learning-driven exosome-mimetic lipid nanoparticles for tumor-specific targeting 用于肿瘤特异性靶向的机器学习驱动的外泌体模拟脂质纳米颗粒
IF 11 2区 材料科学
Nano Convergence Pub Date : 2026-01-28 DOI: 10.1186/s40580-026-00531-7
Seongmin Ha, Do Hyun Lee, Taehoon Lee, Hairi Jiang, Hyun-jin Lee, Seungbum Seo, Ji Yeong Yang, Sunyoung Park, Sung-Gyu Park, Joonchul Shin, Hyo-Il Jung
{"title":"Machine learning-driven exosome-mimetic lipid nanoparticles for tumor-specific targeting","authors":"Seongmin Ha,&nbsp;Do Hyun Lee,&nbsp;Taehoon Lee,&nbsp;Hairi Jiang,&nbsp;Hyun-jin Lee,&nbsp;Seungbum Seo,&nbsp;Ji Yeong Yang,&nbsp;Sunyoung Park,&nbsp;Sung-Gyu Park,&nbsp;Joonchul Shin,&nbsp;Hyo-Il Jung","doi":"10.1186/s40580-026-00531-7","DOIUrl":"10.1186/s40580-026-00531-7","url":null,"abstract":"<div><p>Exosome-mimetic lipid nanoparticles (ENPs) are a promising alternative to PEGylated lipid nanoparticles (LNPs) for targeted cancer therapy, offering improved biocompatibility and reduced immune clearance. However, the rational design of these biomimetic particles is challenging due to complex lipid composition requirements. We developed a hybrid algorithm to optimize exosome-mimetic formulations by predicting key nanoparticle properties (size, zeta potential, and polydispersity index). The algorithm was trained on an expanded dataset of 17,800 lipid compositions generated by augmenting experimental and publicly available data using the LipidGAN generative model, incorporating physicochemical modeling and feature extraction. It identified optimal formulations, which were validated in vitro across three cancer cell lines (HeLa, H1975, and MCF-7). Cytotoxicity assays confirmed minimal toxicity (cell viability &gt; 90%), and uptake studies demonstrated efficient, cell-type-specific internalization (91 ~ 95%). These results highlight the potential of artificial intelligence (AI)-driven lipid design to emulate the functionality of natural exosomes and advance the development of safe, effective, and personalized cancer nanomedicines.</p><h3>Graphical abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":712,"journal":{"name":"Nano Convergence","volume":"13 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2026-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1186/s40580-026-00531-7.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146049330","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Gate insulator stack engineering for fully CMOS-compatible reservoir computing 栅极绝缘子堆栈工程完全cmos兼容水库计算。
IF 11 2区 材料科学
Nano Convergence Pub Date : 2026-01-28 DOI: 10.1186/s40580-026-00533-5
Joon Hwang, Min-Kyu Park, Jeonghyun Kim, Jong-Ho Bae, Jong-Ho Lee
{"title":"Gate insulator stack engineering for fully CMOS-compatible reservoir computing","authors":"Joon Hwang,&nbsp;Min-Kyu Park,&nbsp;Jeonghyun Kim,&nbsp;Jong-Ho Bae,&nbsp;Jong-Ho Lee","doi":"10.1186/s40580-026-00533-5","DOIUrl":"10.1186/s40580-026-00533-5","url":null,"abstract":"<div><p>The need for processing complex and temporal datasets has increased with the rise of artificial intelligence. In this context, reservoir computing, which utilizes the short-term memory of the reservoir to map input data into a high-dimensional space, has gathered significant interest. In this study, for the first time, fully CMOS-compatible reservoir computing is demonstrated through gate insulator stack engineering. Integrated on a single wafer, CMOS circuits, Al<sub>2</sub>O<sub>3</sub>/Si<sub>3</sub>N<sub>4</sub> (A/N) devices for both reservoir and leaky integrate-and-fire neuron applications, and Al<sub>2</sub>O<sub>3</sub>/Si<sub>3</sub>N<sub>4</sub>/SiO<sub>2</sub> (A/N/O) devices as synaptic devices are verified. Furthermore, the influence of various bias conditions on reservoir performance is analyzed. The proposed co-integrated reservoir computing system efficiently handles temporal data, reducing ~ 53% of network resources with only ~ 0.17%p accuracy drop while being robust to device variations.</p><h3>Graphical abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":712,"journal":{"name":"Nano Convergence","volume":"13 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2026-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1186/s40580-026-00533-5.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146058516","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","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 altermagnetism in RuO2: from conflicting experiments to emerging consensus 探索RuO2中的电磁:从相互矛盾的实验到逐渐形成的共识
IF 11 2区 材料科学
Nano Convergence Pub Date : 2026-01-28 DOI: 10.1186/s40580-026-00532-6
In Hyeok Choi, Seung Gyo Jeong, Bharat Jalan, Jong Seok Lee
{"title":"Exploring altermagnetism in RuO2: from conflicting experiments to emerging consensus","authors":"In Hyeok Choi,&nbsp;Seung Gyo Jeong,&nbsp;Bharat Jalan,&nbsp;Jong Seok Lee","doi":"10.1186/s40580-026-00532-6","DOIUrl":"10.1186/s40580-026-00532-6","url":null,"abstract":"<p>Altermagnetism has recently emerged as a new class of magnetic order that combines the advantages of both ferromagnets and antiferromagnets. The compensated antiparallel spin structure, in combination with crystallographic rotational symmetry, gives rise to distinct magnetic properties, opening new opportunities for next-generation spintronic applications. In this review, we introduce a variety of experimental approaches—including electronic, optical, and particle-based spectroscopies—used to probe theoretically suggested altermagnetism. In particular, we review recent studies on the altermagnetic candidate RuO<sub>2</sub>, whose magnetic ground state remains under debate with conflicting experimental results, organizing the discussion according to the experimental techniques. Furthermore, we highlight recent findings on fully strained RuO<sub>2</sub> thin films that emphasize the critical role of strain in the emergence of altermagnetism. We believe that this review will provide not only practical guidelines for investigating altermagnetic systems but also valuable insights toward reaching consensus on the ongoing controversies surrounding RuO<sub>2</sub>’s altermagnetism.</p>","PeriodicalId":712,"journal":{"name":"Nano Convergence","volume":"13 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2026-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1186/s40580-026-00532-6.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146049329","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","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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