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Two-dimensional materials for future information technology: status and prospects

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Science China(Information Sciences) 2024年第6期67卷 1-147页

作者： Hao QIU Zhihao YU Tiange ZHAO Qi ZHANG Mingsheng XU Peifeng LI Taotao LI Wenzhong BAO Yang CHAI Shula CHEN Yiqi CHEN Hui-Ming CHENG Daoxin DAI Zengfeng DI Zhuo DONG Xidong DUAN Yuhan FENG Yu FU Jingshu GUO Pengwen GUO Yue HAO Jun HE Xiao HE Jingyi HU Weida HU Zehua HU Xinyue HUANG Ziyang HUANG Ali IMRAN Ziqiang KONG Jia LI Qian LI Weisheng LI Lei LIAO Bilu LIU Can LIU Chunsen LIU Guanyu LIU Kaihui LIU Liwei LIU Sheng LIU Yuan LIU Donglin LU Likuan MA Feng MIAO Zhenhua NI Jing NING Anlian PAN Tian-Ling REN Haowen SHU Litao SUN Yue SUN Quanyang TAO Zi-Ao TIAN Dong wang Hao wang haomin wang Jialong wang Junyong wang Wenhui wang Xingjun wang Yeliang wang Yuwei wang Zhenyu wang Yao WE... School of Electronic Science and Engineering Nanjing University School of Integrated Circuits Interdisciplinary Research Center for Future Intelligent Chips (Chip-X)Nanjing University School of Integrated Circuit Science and Engineering Nanjing University of Posts and Telecommunications State Key Laboratory of Infrared Physics Shanghai Institute of Technical Physics Chinese Academy of Sciences School of Physics and Key Lab of Quantum Materials and Devices of the Ministry of Education School of Electronic Science & EngineeringSoutheast University College of Integrated Circuits State Key Laboratory of Silicon and Advanced Semiconductor MaterialsZhejiang University Suzhou Laboratory State Key Laboratory of Integrated Chips and Systems School of MicroelectronicsFudan University Shaoxin Laboratory Department of Applied Physics The Hong Kong Polytechnic University Key Laboratory for Micro-Nano Physics and Technology of Hunan Province College of Materials Science and EngineeringHunan University College of Integrated Circuits Zhejiang University Shenzhen Geim Graphene Center Shenzhen Key Laboratory of Layered Materials for Value-Added ApplicationsTsinghua-Berkeley Shenzhen Institute & Institute of Materials ResearchTsinghua Shenzhen International Graduate SchoolTsinghua University State Key Laboratory of Extreme Photonics and Instrumentation College of Optical Science and EngineeringInternational Research Center for Advanced PhotonicsZijingang CampusZhejiang University National Key Laboratory of Materials for Integrated Circuits Shanghai Institute of Microsystem and Information TechnologyChinese Academy of Sciences CAS Key Laboratory of Nanophotonic Materials and Devices & Key Laboratory of Nanodevices and Applications i-LabSuzhou Institute of Nano-Tech and Nano-Bionics (SINANO)Chinese Academy of Sciences College of Chemistry and Chemical Engineering Hunan University Key Laboratory of Quantum State Construction and Manipulation (Ministry of Education) Department of PhysicsRenmin University of China School

Over the past 70 years, the semiconductor industry has undergone transformative changes,largely driven by the miniaturization of devices and the integration of innovative structures and materials. Two-dimensional(2D) materials like transition metal dichalcogenides(TMDs) and graphene are pivotal in overcoming the limitations of silicon-based technologies, offering innovative approaches in transistor design and functionality, enabling atomic-thin channel transistors and monolithic 3D integration. We review the important progress in the application of 2D materials in future information technology, focusing in particular on microelectronics and optoelectronics. We comprehensively summarize the key advancements across material production, characterization metrology, electronic devices, optoelectronic devices, and heterogeneous integration on silicon. A strategic roadmap and key challenges for the transition of 2D materials from basic research to industrial development are outlined. To facilitate such a transition, key technologies and tools dedicated to 2D materials must be developed to meet industrial standards, and the employment of AI in material growth, characterizations, and circuit design will be essential. It is time for academia to actively engage with industry to drive the next 10 years of 2D material research.

关键词： two-dimensional (2D) materials information technology production technology standardization of characterization microelectronicdevices optoelectronic devices multi-functional integration

A new methodology to obtain the fracture toughness of YAG transparent ceramics

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Journal of Advanced Ceramics 2019年第3期8卷 418-426页

作者： haomin wang Zhangyi HUANG Jianqi QI Jun wang Institute for Advanced Study Chengdu UniversityChengdu610106China College of Physical Science and Technology Sichuan UniversityChengdu610064China Key Laboratory of High Energy Density Physics and Technology of Ministry of Education Sichuan UniversityChengdu610064China School of Physics and Electronic Engineering Sichuan University of Science&EngineeringZigong643000China

A new methodology was proposed for testing the fracture toughness of YAG transparent ceramics depended on temperature. In our model, the fracture toughness, as a material-specific property, can be expressed as tensile strength treated as the physical property or a material constant. Using this method, a suitable size larger than the inherent defects of ceramic samples and the creation of atomically sharp pre-cracks on the surface of ceramic specimens were able to be ignored. Besides, the fracture of ceramic can be described as the equivalence between the release of elastic storage energy and surface energy associated with the new fracture surface. From thermodynamics theory, the system’s internal energy includes the kinetic energy of atomic motion and the potential energy between atoms in the system. Finally, the fracture toughness at different temperatures can also be calculated by this simple quantitative relationship. In order to confirm the validity of this model, the decreasing fracture toughness of YAG transparent ceramic with increasing temperature was predicted, and the result coincided with the experimental results.

关键词： fracture toughness fracture strength transparent ceramic high temperature YAG ceramic

Micromechanical Modeling of Elastic-Viscoplastic Behavior of Armco-Fe at High Strain Rate

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Acta Mechanica Solida Sinica 2016年第6期29卷 655-662页

作者： Zhiyong Huang haomin wang Qingyuan wang Muhammad Kashif Khan School of Aeronautics and Astronautics Sichuan University Faculty of Engineering Environment and Computing Coventry University

Heterogeneous dynamical stress-strain response of Armco-Fe was investigated at high strain rates through the Split Hopkinson Pressure Bar （SHPB） testing. It was found that the viscoplastic deformation in BCC ferrite grains is affected by the strain rate. Thermal softening and variation in crystal orientations under high-strain-rate loading were used in the elastic-viscoplastic modeling. The micromechanical analysis with self-consistent transition and homogenization was used for estimation of the global impact response of the material. The results from modeling were found in good agreement with the experimental data.

关键词： Armco-Fe high strain rate visco-plastic deformation self consistent SHPB

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射频磁控溅射制备CdS薄膜性质研究

延边大学学报（自然科学版） 2024年第2期50卷 31-38页

作者：王昊民管雪顾广瑞延边大学理学院吉林延吉133002

利用射频磁控溅射技术,在玻璃和Si(111)的基板上沉积CdS薄膜,并研究了溅射功率对薄膜的结构、光学和电学特性等影响.X射线衍射结果表明,在不同溅射功率下制备的CdS薄膜样品,均表现为在(002)方向择优生长,其晶粒尺寸和表面粗糙度均随溅... 详细信息

利用射频磁控溅射技术,在玻璃和Si(111)的基板上沉积CdS薄膜,并研究了溅射功率对薄膜的结构、光学和电学特性等影响.X射线衍射结果表明,在不同溅射功率下制备的CdS薄膜样品,均表现为在(002)方向择优生长,其晶粒尺寸和表面粗糙度均随溅射功率的增大而增大.透射光谱分析表明,CdS薄膜在近红外光区域具有较大的透射率.对Tauc曲线进行分析显示,薄膜的带隙随溅射功率的增大而减小.霍尔效应测试表明,薄膜的电阻率随着溅射功率的增加而降低,而载流子浓度则随着溅射功率的增加而增大.研究结果可为CdS薄膜在光电器件方面的应用提供参考.

关键词： CdS薄膜射频磁控溅射溅射功率光学性质电学性质

Cross-scale Correlation of Macro-micro Evaluation Indexes for Asphalt Binder

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Journal of Wuhan University of Technology(Materials Science) 2022年第5期37卷 892-899页

作者： YU Tengjiang ZHANG Haitao SUN Xiaowen LI Ming wang haomin College of Civil Engineering Northeast Forestry UniversityHarbin150040China Safety Production Technology Center of Heilongjiang Province Harbin150040China School of Civil Engineering&Architecture Chongqing Jiaotong UniversityChongqing400074China

In order to further study the reliability of macro evaluation indexes,molecular dynamics (MD) was applied to the evaluation of asphalt *** evaluation indexes (potential energy,surface free energy,solubility parameter and diffusion coefficient) of asphalt binder in different service phases (virgin,modified,aged and rejuvenated) were *** with the variation characteristics of asphalt binder macro evaluation indexes (permeability,ductility,viscosity and softening point) in different service phases,the cross-scale correlation of macro-micro evaluation indexes was *** results show that the macro and micro evaluation indexes of asphalt binder have different characteristics in different service *** essence of the variation in the properties of asphalt binders is the difference in micro *** addition,there is a certain correlation between macro and micro evaluation indexes,which can be described by the gray relation *** cross-scale correlation of macro-micro evaluation indexes can provide a certain theoretical basis for the development of asphalt binder.

关键词： asphalt binder macro-micro indexes cross-scale correlation different service phases molecular dynamics

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蜜柚果实养分分配规律及与汁胞品质的关系

中国南方果树 2024年第3期53卷 66-72页

作者：赖长鸿胡逸宸李培杰许艺嘉王浩民王寒雪廖红福建农林大学根系生物学研究中心福州350002

研究蜜柚果实中养分分配规律及与汁胞品质的关系,可为改善蜜柚品质及柚园养分管理提供科学依据。试验于2022年9月20日在福建平和县一个树龄13年的盛产期“三红蜜柚”园,取54个0.60~1.50 kg柚果,将果实分为黄皮层(外果皮)、白皮层、囊衣... 详细信息

研究蜜柚果实中养分分配规律及与汁胞品质的关系,可为改善蜜柚品质及柚园养分管理提供科学依据。试验于2022年9月20日在福建平和县一个树龄13年的盛产期“三红蜜柚”园,取54个0.60~1.50 kg柚果,将果实分为黄皮层(外果皮)、白皮层、囊衣和汁胞等4个部位取样,分析各部位氮(N)、磷(P)、钾(K)、可溶性氮[包括NH_(4)^(+)-N、NO_(3)^(-)-N和氨基酸态氮(AA-N)]和可溶性磷的含量及汁胞可溶性固形物(TSS)和可滴定酸(TA)含量等指标。结果表明,果实中氮∶磷∶钾约为8.61∶1.00∶8.55;其中,氮主要分配在黄皮层,磷主要分配在汁胞,钾在各部位分配相近。果实可溶性氮占氮的19.35%±2.67%,以AA-N为主,AA-N占15.45%±0.70%,NO_(3)^(-)-N占2.55%±0.08%,NH_(4)^(+)-N占1.35%±1.89%,NO_(3)^(-)-N主要分配在白皮层,NH_(4)^(+)-N主要分配在汁胞,AA-N在各部位分配相近。果实可溶性磷占磷的10.63%±0.09%,且主要分配在汁胞。汁胞固酸比(TSS/TA)与汁胞可溶性磷极显著正相关,与汁胞NH_(4)^(+)-N含量显著负相关。主成分分析结果显示,汁胞可溶性磷是影响汁胞固酸比的主要因素。果实氮磷钾及其可溶性形态在各部位分配的规律不同,建议“三红蜜柚”施肥遵循“高氮、低磷、高钾”的原则。

关键词：三红蜜柚养分分配果实品质氮磷

Electrical field tuning of magneto-Raman scattering in monolayer graphene

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Nano Research 2015年第4期8卷 1139-1147页

作者： Xiaonan Shen Caiyu Qiu Bingchen Cao Chunxiao Cong Weihuang Yang haomin wang Ting Yu Division of Physics and Applied Physics School of Physical and Mathematical Sciences Nanyang Technological University 637371 Singapore Singapore Wenzhou Institute of Biomaterials and Engineering Wenzhou 325001 China Department of Physics Faculty of Science National University of Singapore 117542 Singapore Singapore Graphene Research Center Faculty of Science National University of Singapore 117546 Singapore Singapore

In this work, we report the electrical field tuning of magneto-phonon resonance in monolayer graphene under magnetic fields up to 9 T. It is found that the carrier concentration can drastically affect the G （E2g） phonon response to a varying magnetic field through a pronounced magneto-phonon resonance （MPR）. In charge neutral or slightly doped monolayer graphene, both the energy and the line width of the E2g phonon show clear variation with magnetic fields. This is attributed to magneto-phonon resonance between magnetoexcitations and the E2g phonons. In contrast, when the Fermi level of the monolayer graphene is far away from the Dirac point, the G band shows weak magnetic dependence and exhibits a symmetric line-shape. This suggests that the magneto-phonon coupling around 4 T has been switched off due to the Pauli blocking of the inter-Landau level excitations. Moreover, the G band asymmetry caused by Fano resonance between excitonic many-body states and the E2g phonons is observed. This work offers a way to study the magnetoexcitation phonon interaction of materials through magneto-Raman spectroscopy with an external electrical field.

关键词： monolayer graphene magneto-phononresonance Raman electrical field suspended graphene

Ultra-sensitive and wide applicable strain sensor enabled by carbon nanofibers with dual alignment for human machine interfaces

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Nano Research 2023年第3期16卷 4093-4099页

作者： Peng Bi Mingchao Zhang Shuo Li Haojie Lu haomin wang Xiaoping Liang Huarun Liang Yingying Zhang Key Laboratory of Organic Optoelectronics and Molecular Engineering of the Ministry of Education Department of ChemistryTsinghua UniversityBeijing 100084China Laboratory of Flexible Electronics Technology Tsinghua UniversityBeijing 100084China

Flexible strain sensors with high sensitivity,wide detection range,and low detection limit have continuously attracted great interest due to their tremendous application potential in areas such as health/medical-care,human-machine interface,as well as safety and *** both of a high sensitivity and a wide working range are desired key parameters for a strain sensor,they are usually contrary to each other to be achieved on the same sensor due to the tightly structure dependence of both of ***,a flexible strain sensor with both high sensitivity and wide strain detection range is prepared based on the design of an integrated membrane containing both of parallel aligned and randomly aligned carbon nanofibers(CNFs).The parallel aligned CNF membrane(p-CNF)exhibits a low strain detection limit and high sensitivity,while the random aligned CNF membrane(r-CNF)exhibits a large strain detection *** the advantages of both p-CNF and r-CNF,the strain sensor with stacked p-CNF and r-CNF(p/r-CNF)exhibits both high sensitivity and wide working *** gauge factor(GF)is 1,272 for strains under 0.5%and 2,266 for strain from 70%to 100%.At the same time,it can work in a wide strain range of 0.005%to 100%,fulfilling the requirements for accurately detecting full-range human *** demonstrated its applications in the recognition of facial expressions and joint ***,we constructed an intelligent lip-language recognition system,which can accurately track phonetic symbols and may help people with language disabilities,proving the potential of this strain sensor in health management and medical ***,we foresee that the dual-alignment structure design of the p/r-CNF strain sensor may also be applied in the design of other high performance sensors.

关键词： nanofiber membrane carbon nanofibers flexible sensor dual-alignment high sensitivity

An effective strategy for preparing transparent ceramics using nanorod powders based on pressure-assisted particle fracture and rearrangement

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Journal of Advanced Ceramics 2022年第12期11卷 1976-1987页

作者： Zhangyi HUANG Yang SHI Yutong ZHANG Mao DENG Yi GUO Qingquan KONG Jianqi QI Benyuan MA Qingyuan wang haomin wang Institute for Advanced Study Chengdu UniversityChengdu 610106China School of Mechanical Engineering Chengdu UniversityChengdu 610106China College of Physics Sichuan UniversityChengdu 610064China Guangdong Provincial Key Laboratory of Electronic Functional Materials and Devices Huizhou UniversityHuizhou 516001China

Achieving full densification of some ceramic materials,such as Y_(2)O_(3),without sintering aids by spark plasma sintering(SPS)is a great challenge when plastic deformation contributes limitedly to the densification as the yield stress of the material at an elevated temperature is higher than the applied sintering ***,we demonstrate that particle fracture and rearrangement is an effective strategy to promote the densification during the pressure-assisted sintering ***,Y_(2)O_(3) nanocrystalline powders composed of nanorod and near-spherical particles were synthesized and sintered at various temperatures by the *** results show that the relative density of the ceramics prepared by the nanorod powders is higher than the density of the ceramics from the near-spherical powders after 600℃ due to the fracture and rearrangement of the nanorods at low temperatures,which leads to the decrease of particle size and the increase of density and *** on this novel densification mechanism,ultrafine-grained Y_(2)O_(3) transparent ceramics with good optical and mechanical properties were fabricated successfully from the nanorod powders.

关键词： transparent ceramics nanorods fracture and rearrangement Y_(2)O_(3) spark plasma sintering(SPS)