npj 2D Materials and Applications最新文献

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Piezoelectricity in NbOI2 for piezotronics and nanogenerators 用于压电电子学和纳米发电机的 NbOI2 的压电性
IF 9.1 2区 材料科学
npj 2D Materials and Applications Pub Date : 2024-09-16 DOI: 10.1038/s41699-024-00498-1
Yuanyuan Cui, Tingjun Wang, Deng Hu, Zhiwei Wang, Jiawang Hong, Xueyun Wang
{"title":"Piezoelectricity in NbOI2 for piezotronics and nanogenerators","authors":"Yuanyuan Cui, Tingjun Wang, Deng Hu, Zhiwei Wang, Jiawang Hong, Xueyun Wang","doi":"10.1038/s41699-024-00498-1","DOIUrl":"10.1038/s41699-024-00498-1","url":null,"abstract":"2-dimensional (2D) piezoelectric materials have gained significant attention due to their potential applications in flexible energy harvesting and storage devices. Recently, niobium oxide dihalides NbOI2 stands out as a multifunctional anisotropic semiconductor family with an exceptionally high lateral piezoelectric constant (~21.8 pm/V), making it a promising candidate for energy conversion applications. Here we report the experimental observation of anisotropic in-plane piezoelectricity in multilayer NbOI2. Current-voltage relationships reveal a significant piezotronic effect in two typical crystalline orientations. Additionally, cyclic tensile and release experiments demonstrate an intrinsic current output of up to 140 pA when subjected to a tensile strain of 0.51%. A flexible piezoelectric nanogenerator prototype is demonstrated on the human finger and wrist, which opens up new avenues for the development of wearable electronic devices and provides valuable insights for further exploration in this field.","PeriodicalId":19227,"journal":{"name":"npj 2D Materials and Applications","volume":null,"pages":null},"PeriodicalIF":9.1,"publicationDate":"2024-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s41699-024-00498-1.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142236065","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
Probing the interplay of interactions, screening and strain in monolayer MoS2 via self-intercalation 通过自插入探测单层 MoS2 中相互作用、筛选和应变的相互作用
IF 9.1 2区 材料科学
npj 2D Materials and Applications Pub Date : 2024-09-12 DOI: 10.1038/s41699-024-00488-3
Borna Pielić, Matko Mužević, Dino Novko, Jiaqi Cai, Alice Bremerich, Robin Ohmann, Marko Kralj, Iva Šrut Rakić, Carsten Busse
{"title":"Probing the interplay of interactions, screening and strain in monolayer MoS2 via self-intercalation","authors":"Borna Pielić, Matko Mužević, Dino Novko, Jiaqi Cai, Alice Bremerich, Robin Ohmann, Marko Kralj, Iva Šrut Rakić, Carsten Busse","doi":"10.1038/s41699-024-00488-3","DOIUrl":"10.1038/s41699-024-00488-3","url":null,"abstract":"Controlling many-body interactions in two-dimensional systems remains a formidable task from the perspective of both fundamental physics and application. Here, we explore remarkable electronic structure alterations of MoS2 monolayer islands on graphene on Ir(111) induced by non-invasive self-intercalation. This introduces significant differences in morphology and strain of MoS2 as a result of the modified interaction with the substrate. Consequently, considerable changes of the band gap and non-rigid electronic shifts of valleys are detected, which are a combined effect of the screening of the many-body interactions and strain in MoS2. Furthermore, theory shows that each substrate leaves a unique stamp on the electronic structure of two-dimensional material in terms of those two parameters, restricted by their correlation.","PeriodicalId":19227,"journal":{"name":"npj 2D Materials and Applications","volume":null,"pages":null},"PeriodicalIF":9.1,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s41699-024-00488-3.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142174404","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
Tailoring polarization in WSe2 quantum emitters through deterministic strain engineering 通过确定性应变工程定制 WSe2 量子发射器中的极化
IF 9.1 2区 材料科学
npj 2D Materials and Applications Pub Date : 2024-09-11 DOI: 10.1038/s41699-024-00497-2
Athanasios Paralikis, Claudia Piccinini, Abdulmalik A. Madigawa, Pietro Metuh, Luca Vannucci, Niels Gregersen, Battulga Munkhbat
{"title":"Tailoring polarization in WSe2 quantum emitters through deterministic strain engineering","authors":"Athanasios Paralikis, Claudia Piccinini, Abdulmalik A. Madigawa, Pietro Metuh, Luca Vannucci, Niels Gregersen, Battulga Munkhbat","doi":"10.1038/s41699-024-00497-2","DOIUrl":"10.1038/s41699-024-00497-2","url":null,"abstract":"Quantum emitters in transition metal dichalcogenides (TMDs) have recently emerged as a promising platform for generating single photons for optical quantum information processing. In this work, we present an approach for deterministically controlling the polarization of fabricated quantum emitters in a tungsten diselenide (WSe2) monolayer. We employ novel nanopillar geometries with long and sharp tips to induce a controlled directional strain in the monolayer, and we report on fabricated WSe2 emitters producing single photons with a high degree of polarization (99 ± 4%) and high purity (g(2)(0) = 0.030 ± 0.025). Our work paves the way for the deterministic integration of TMD-based quantum emitters for future photonic quantum technologies.","PeriodicalId":19227,"journal":{"name":"npj 2D Materials and Applications","volume":null,"pages":null},"PeriodicalIF":9.1,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s41699-024-00497-2.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142174379","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
Metastable square Bismuth allotrope oriented by six-fold symmetric mica 六重对称云母定向的可蜕变方形铋同素异形体
IF 9.1 2区 材料科学
npj 2D Materials and Applications Pub Date : 2024-09-11 DOI: 10.1038/s41699-024-00495-4
Nan Wu, Xiangchen Hu, Yinliang Tang, Congcong Wu, Yu Chen, Yiyuan Ren, Zhuo Zhang, Yi Yu, Hung-Ta Wang
{"title":"Metastable square Bismuth allotrope oriented by six-fold symmetric mica","authors":"Nan Wu, Xiangchen Hu, Yinliang Tang, Congcong Wu, Yu Chen, Yiyuan Ren, Zhuo Zhang, Yi Yu, Hung-Ta Wang","doi":"10.1038/s41699-024-00495-4","DOIUrl":"10.1038/s41699-024-00495-4","url":null,"abstract":"Layered bismuth (Bi) has been focused on two Peierls distortion derivatives, i.e., bulk stable β-phase (A7 phase), black phosphorus-like α-phase (A17 phase), and their mutated structures. Metastable structures beyond Peierls distortion system are yet rarely accessible. Here, Bi in square symmetry ( $${C}_{4v}$$ ), called s-Bi, was grown via physical vapor deposition. The co-existence of three 120°-associated s-Bi crystal grains was analyzed using transmission electron microscopy. 120°-oriented one-dimensional (1D) nuclei indicate s-Bi heteroepitaxy on six-fold symmetric ( $${C}_{6v}$$ ) mica (001). A subsequent nanorod-like nuclei coalescing could promote a morphology evolution, resulting in triangular or hexagonal nanosheets with the unique triple s-Bi structure suitable for later β-Bi growth. Lattice misfit and strain calculations suggest a supercell match between $$4times 7$$ s-Bi and $$3times 3$$ mica (001). This work demonstrates the metastable s-Bi structure via anisotropic heteroepitaxy of $${C}_{4v}$$ s-Bi on $${C}_{6v}$$ mica.","PeriodicalId":19227,"journal":{"name":"npj 2D Materials and Applications","volume":null,"pages":null},"PeriodicalIF":9.1,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s41699-024-00495-4.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142174416","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
Engineering the electrostatic potential in a COF''s pore by selecting quadrupolar building blocks and linkages 通过选择四极结构单元和连接来设计 COF 孔隙中的静电势
IF 9.1 2区 材料科学
npj 2D Materials and Applications Pub Date : 2024-09-04 DOI: 10.1038/s41699-024-00496-3
Elena-Antonella Bittner, Konrad Merkel, Frank Ortmann
{"title":"Engineering the electrostatic potential in a COF''s pore by selecting quadrupolar building blocks and linkages","authors":"Elena-Antonella Bittner, Konrad Merkel, Frank Ortmann","doi":"10.1038/s41699-024-00496-3","DOIUrl":"10.1038/s41699-024-00496-3","url":null,"abstract":"The electrostatic potential within porous materials critically influences applications like gas storage, catalysis, sensors and semiconductor technology. Precise control of this potential in covalent organic frameworks (COFs) is essential for optimizing these applications. We propose a straightforward method to achieve this by employing electric quadrupolar building blocks. Our comprehensive models accurately reproduce the electrostatic potential in 2D-COFs, requiring only a few parameters that depend solely on local electrostatic properties, independent of the COF’s lattice structure and topology. This approach has been validated across various systems, including conjugated and non-conjugated building blocks with different symmetries. We explore single-layer, few-layer, and bulk systems, achieving changes in the potential which exceed one electronvolt. Stacking configurations such as eclipsed AA, serrated AA’, and inclined stacking all exhibit the tuning effect with minor variations. Finally, we discuss the impact of these potential manipulations on applications like ion and gas uptake.","PeriodicalId":19227,"journal":{"name":"npj 2D Materials and Applications","volume":null,"pages":null},"PeriodicalIF":9.1,"publicationDate":"2024-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s41699-024-00496-3.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142174403","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
Magnetic tunnel junction based on bilayer LaI2 as perfect spin filter device 基于双层 LaI2 的磁隧道结是完美的自旋滤波装置
IF 9.1 2区 材料科学
npj 2D Materials and Applications Pub Date : 2024-09-02 DOI: 10.1038/s41699-024-00493-6
Shubham Tyagi, Avijeet Ray, Nirpendra Singh, Udo Schwingenschlögl
{"title":"Magnetic tunnel junction based on bilayer LaI2 as perfect spin filter device","authors":"Shubham Tyagi, Avijeet Ray, Nirpendra Singh, Udo Schwingenschlögl","doi":"10.1038/s41699-024-00493-6","DOIUrl":"10.1038/s41699-024-00493-6","url":null,"abstract":"The discovery of van der Waals intrinsic magnets has expanded the possibilities of realizing spintronics devices. We investigate the transmission, tunneling magnetoresistance ratio, and spin injection efficiency of bilayer LaI2 using a combination of first-principles calculations and the non-equilibrium Green’s function method. Multilayer graphene electrodes are employed to build a magnetic tunnel junction with bilayer LaI2 as ferromagnetic barrier. The magnetic tunnel junction turns out to be a perfect spin filter device with an outstanding tunneling magnetoresistance ratio of 653% under a bias of 0.1 V and a still excellent performance in a wide bias range. In combination with the obtained high spin injection efficiency this opens up great potential from the application point of view.","PeriodicalId":19227,"journal":{"name":"npj 2D Materials and Applications","volume":null,"pages":null},"PeriodicalIF":9.1,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s41699-024-00493-6.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142117969","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
Electronic excitations and spin interactions in chromium trihalides from embedded many-body wavefunctions 从嵌入多体波函数看三卤化铬中的电子激发和自旋相互作用
IF 9.1 2区 材料科学
npj 2D Materials and Applications Pub Date : 2024-08-30 DOI: 10.1038/s41699-024-00494-5
Ravi Yadav, Lei Xu, Michele Pizzochero, Jeroen van den Brink, Mikhail I. Katsnelson, Oleg V. Yazyev
{"title":"Electronic excitations and spin interactions in chromium trihalides from embedded many-body wavefunctions","authors":"Ravi Yadav, Lei Xu, Michele Pizzochero, Jeroen van den Brink, Mikhail I. Katsnelson, Oleg V. Yazyev","doi":"10.1038/s41699-024-00494-5","DOIUrl":"10.1038/s41699-024-00494-5","url":null,"abstract":"Although chromium trihalides are widely regarded as a promising class of two-dimensional magnets for next-generation devices, an accurate description of their electronic structure and magnetic interactions has proven challenging to achieve. Here, we quantify electronic excitations and spin interactions in CrX3 (X = Cl, Br, I) using embedded many-body wavefunction calculations and fully generalized spin Hamiltonians. We find that the three trihalides feature comparable d-shell excitations, consisting of a high-spin 4A2 $$({t}_{2g}^{3}{e}_{g}^{0})$$ ground state lying 1.5–1.7 eV below the first excited state 4T2 ( $${t}_{2g}^{2}{e}_{g}^{1}$$ ). CrCl3 exhibits a single-ion anisotropy Asia = − 0.02 meV, while the Cr spin-3/2 moments are ferromagnetically coupled through bilinear and biquadratic exchange interactions of J1 = − 0.97 meV and J2 = − 0.05 meV, respectively. The corresponding values for CrBr3 and CrI3 increase to Asia = −0.08 meV and Asia= − 0.12 meV for the single-ion anisotropy, J1 = −1.21 meV, J2 = −0.05 meV and J1 = −1.38 meV, J2 = −0.06 meV for the exchange couplings, respectively. We find that the overall magnetic anisotropy is defined by the interplay between Asia and Adip due to magnetic dipole–dipole interaction that favors in-plane orientation of magnetic moments in ferromagnetic monolayers and bulk layered magnets. The competition between the two contributions sets CrCl3 and CrI3 as the easy-plane (Asia + Adip >0) and easy-axis (Asia + Adip <0) ferromagnets, respectively. The differences between the magnets trace back to the atomic radii of the halogen ligands and the magnitude of spin–orbit coupling. Our findings are in excellent agreement with recent experiments, thus providing reference values for the fundamental interactions in chromium trihalides.","PeriodicalId":19227,"journal":{"name":"npj 2D Materials and Applications","volume":null,"pages":null},"PeriodicalIF":9.1,"publicationDate":"2024-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s41699-024-00494-5.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142091215","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
All-2D CVD-grown semiconductor field-effect transistors with van der Waals graphene contacts 带有范德华石墨烯触点的全二维 CVD 生长半导体场效应晶体管
IF 9.1 2区 材料科学
npj 2D Materials and Applications Pub Date : 2024-08-21 DOI: 10.1038/s41699-024-00489-2
Md. Anamul Hoque, Antony George, Vasudev Ramachandra, Emad Najafidehaghani, Ziyang Gan, Richa Mitra, Bing Zhao, Satyaprakash Sahoo, Maria Abrahamsson, Qiuhua Liang, Julia Wiktor, Andrey Turchanin, Sergey Kubatkin, Samuel Lara-Avila, Saroj P. Dash
{"title":"All-2D CVD-grown semiconductor field-effect transistors with van der Waals graphene contacts","authors":"Md. Anamul Hoque, Antony George, Vasudev Ramachandra, Emad Najafidehaghani, Ziyang Gan, Richa Mitra, Bing Zhao, Satyaprakash Sahoo, Maria Abrahamsson, Qiuhua Liang, Julia Wiktor, Andrey Turchanin, Sergey Kubatkin, Samuel Lara-Avila, Saroj P. Dash","doi":"10.1038/s41699-024-00489-2","DOIUrl":"10.1038/s41699-024-00489-2","url":null,"abstract":"Two-dimensional (2D) semiconductors and van der Waals (vdW) heterostructures with graphene have generated enormous interest for future electronic, optoelectronic, and energy-harvesting applications. The electronic transport properties and correlations of such hybrid devices strongly depend on the quality of the materials via chemical vapor deposition (CVD) process, their interfaces and contact properties. However, detailed electronic transport and correlation properties of the 2D semiconductor field-effect transistor (FET) with vdW graphene contacts for understanding mobility limiting factors and metal-insulator transition properties are not explored. Here, we investigate electronic transport in scalable all-2D CVD-grown molybdenum disulfide (MoS2) FET with graphene contacts. The Fermi level of graphene can be readily tuned by a gate voltage to enable a nearly perfect band alignment and, hence, a reduced and tunable Schottky barrier at the contact with good field-effect channel mobility. Detailed temperature-dependent transport measurements show dominant phonon/impurity scattering as a mobility limiting mechanisms and a gate-and bias-induced metal-insulator transition in different temperature ranges, which is explained in light of the variable-range hopping transport. These studies in such scalable all-2D semiconductor heterostructure FETs will be useful for future electronic and optoelectronic devices for a broad range of applications.","PeriodicalId":19227,"journal":{"name":"npj 2D Materials and Applications","volume":null,"pages":null},"PeriodicalIF":9.1,"publicationDate":"2024-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s41699-024-00489-2.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142021838","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
Giant exchange splitting in the electronic structure of A-type 2D antiferromagnet CrSBr A 型二维反铁磁体 CrSBr 电子结构中的巨型交换分裂
IF 9.1 2区 材料科学
npj 2D Materials and Applications Pub Date : 2024-08-12 DOI: 10.1038/s41699-024-00492-7
Matthew D. Watson, Swagata Acharya, James E. Nunn, Laxman Nagireddy, Dimitar Pashov, Malte Rösner, Mark van Schilfgaarde, Neil R. Wilson, Cephise Cacho
{"title":"Giant exchange splitting in the electronic structure of A-type 2D antiferromagnet CrSBr","authors":"Matthew D. Watson, Swagata Acharya, James E. Nunn, Laxman Nagireddy, Dimitar Pashov, Malte Rösner, Mark van Schilfgaarde, Neil R. Wilson, Cephise Cacho","doi":"10.1038/s41699-024-00492-7","DOIUrl":"10.1038/s41699-024-00492-7","url":null,"abstract":"We present the evolution of the electronic structure of CrSBr from its antiferromagnetic ground state to the paramagnetic phase above TN = 132 K, in both experiment and theory. Low-temperature angle-resolved photoemission spectroscopy (ARPES) results are obtained using a novel method to overcome sample charging issues, revealing quasi-2D valence bands in the ground state. The results are very well reproduced by our $${rm{QSG}}hat{{rm{W}}}$$ calculations, which further identify certain bands at the X points to be exchange-split pairs of states with mainly Br and S character. By tracing band positions as a function of temperature, we show the splitting disappears above TN. The energy splitting is interpreted as an effective exchange splitting in individual layers in which the Cr moments all align, within the so-called A-type antiferromagnetic arrangement. Our results lay firm foundations for the interpretation of the many other intriguing physical and optical properties of CrSBr.","PeriodicalId":19227,"journal":{"name":"npj 2D Materials and Applications","volume":null,"pages":null},"PeriodicalIF":9.1,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s41699-024-00492-7.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141940408","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
Automated and parallel transfer of arrays of oriented graphene ribbons 自动并行转移定向石墨烯带阵列
IF 9.1 2区 材料科学
npj 2D Materials and Applications Pub Date : 2024-08-11 DOI: 10.1038/s41699-024-00491-8
Amira Bencherif, Monique Tie, Richard Martel, Delphine Bouilly
{"title":"Automated and parallel transfer of arrays of oriented graphene ribbons","authors":"Amira Bencherif, Monique Tie, Richard Martel, Delphine Bouilly","doi":"10.1038/s41699-024-00491-8","DOIUrl":"10.1038/s41699-024-00491-8","url":null,"abstract":"The transfer of two-dimensional materials from their growth substrate onto application wafers is a critical bottleneck in scaling-up devices based on such nanomaterials. Here, we present an innovative approach to achieve the automated and simultaneous transfer of arrays of graphene ribbons, with precise control over their orientation and alignment onto patterned wafers. The transfer is performed in a simple, yet efficient apparatus consisting of an array of glass columns, strategically shaped to control ribbon orientation and arranged to match the destination wafer, coupled to a dual inflow/outflow pumping system. This apparatus enables the transfer of a custom array of parallel graphene ribbons in a fraction of the time required with traditional methods. The quality of the transferred graphene was evaluated using optical imaging, scanning electron microscopy, hyperspectral Raman imaging, and electrical transport: all consistently indicating that the transferred graphene exhibits excellent quality, comparable to a manual transfer by an expert user. The proposed apparatus offers several competitive advantages, including ease of use, high transfer throughput, and reduced nanomaterial consumption. Moreover, it can be used repeatedly on the same wafer to assemble arrays of overlayed materials with controlled relative orientations. This approach thus opens promising opportunities for the large-scale fabrication of various heterostructures and devices based on vertical assemblies of 2D nanomaterials.","PeriodicalId":19227,"journal":{"name":"npj 2D Materials and Applications","volume":null,"pages":null},"PeriodicalIF":9.1,"publicationDate":"2024-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s41699-024-00491-8.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141940616","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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