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Correlation Enhanced Resistance Hysteresis Near Half Filling in MoS2/WSe2 Heterobilayer 认领 引用
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作者 Yong Chen Weikang Zhang +11 位作者 Meizhen Huang Shengling Xiang Zishu Zhou Yaqi Ma Chenxuan Lou Haoxi Ji Aoqian Zhang Yifei Jin Liheng An Zefei Wu Chun Cheng Ning Wang 《Chinese Physics Letters》 SCIE EI CAS CSCD 2026年第7期144-149,I0118-I0130,共6页
Ferroelectricity,typically arising from ionic displacements in noncentrosymmetric lattices,enables applications in memory devices and sensors.Recent advances in two-dimensional materials and van der Waals heterostruct... Ferroelectricity,typically arising from ionic displacements in noncentrosymmetric lattices,enables applications in memory devices and sensors.Recent advances in two-dimensional materials and van der Waals heterostructures have revealed novel ferroelectric phenome-na,including sliding ferroelectricity and correlation-driven ferroelectricity in moirésuperlattices.In this work,we fabricate and study a MoS2/WSe2 moirésuperlattice device exhibiting a high field-effect mobility of 17650 cm2·V−1·s−1.Electrical transport measurements reveal correlated insulating states accompanied by a prominent and reproducible resistance hysteresis near half-filling.Temperature and displacement field dependence further confirms the correlation-enhanced nature of the hysteresis.Our analysis suggests that displace-ment field-induced metal-to-insulator transition at correlated insulating state coupled with interfacial dipoles enables the observed resistance hysteresis.These results establish correlation enhanced resistance hysteresis near half-filling in a MoS2/WSe2 heterobilayer,offering opportunities for exploring emergent quantum phases and device functionalities. 展开更多
关键词 moir superlattice device half filling correlation enhanced resistance hysteresis van der waals heterostructures memory devices ferroelectricity ionic displacements MOS WSe heterobilayer
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A pH-responsive nanomedicine inspired by the traditional Chinese mineral medicinepyritumfor dual-modal imaging-guided combination therapy for osteosarcoma 认领 引用 被引量：1
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作者 Zoujun Peng Jie Xing +7 位作者 Yanqiang Yang Aochi Liu Shihao Bai Yaqi Ma Quanliang Mao Tianxiang Chen Lingchao Xiang Aiguo Wu 《Nano Research》 SCIE EI CSCD 2025年第9期922-936,共15页
Osteosarcoma remains a challenging malignancy due to its aggressive metastasis and resistance to conventional therapies.But the integration of nanotechnology with traditional Chinese medicine offers a transformative a... Osteosarcoma remains a challenging malignancy due to its aggressive metastasis and resistance to conventional therapies.But the integration of nanotechnology with traditional Chinese medicine offers a transformative approach to overcoming challenges in herbal utilization and cancer therapy.Here,we report the discovery of self-assembled nanoparticles formed during the co-decoction of pyritum and corni fructus,representing a novel mechanism underlying traditional Chinese medicine synergy.Notably,the nanoparticles demonstrate magnetic resonance imaging(MRI)capability with a high T1relaxation rate and low r21ratio(1.53),positioning them as promising T1contrast agents.Inspired by this natural self-assembly process,we engineer a pH-responsive nanoplatform by conjugating gallic acid,polydopamine,and alendronate onto porous FeS2nanoparticles(FGPA).FGPA achieves multi-therapy through drug release,photothermal ablation,H2S-mediated bioenergetic collapse,and ferroptosis induction.In vivo orthotopic models demonstrate almost tumor regression treated with FGPA and near-infrared irradiation,while maintaining biosafety.Additionally,FGPA serves as a dual-modal photoacoustic(PA)/MRI contrast agent,enabling image-guided therapy with pH-responsive T1relaxation enhancement.This work bridges traditional Chinese medicine and nanotechnology,establishing a paradigm for developing multifunctional traditional Chinese medicine-based theranostic agents. 展开更多
关键词 traditional Chinese medicine osteosarcoma(OS) cancer therapy nanotechnology photoacoustic imaging magnetic resonance imaging(MRI)
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A Stellar Ranging Scheme Based on the Second-order Correlation Measurement 认领 引用
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作者 Jian Li Can Xu +5 位作者 Yinshen Liu Yaqi Ma Xinyao Liu Xiaochen Ma Run Fan An-Ning Zhang 《Research in Astronomy and Astrophysics》 SCIE CAS CSCD 2022年第1期229-236,共8页
Stellar ranging is the basis for stellar dynamics research and in-depth research on astrophysics. The parallax method is the most widely used and important basic method for stellar ranging. However, it needs to perfor... Stellar ranging is the basis for stellar dynamics research and in-depth research on astrophysics. The parallax method is the most widely used and important basic method for stellar ranging. However, it needs to perform highprecision measurement of the parallax angle and the baseline length together. We aim to propose a new stellar ranging scheme based on second-order correlation that does not require a parallax angle measurement. We hope our solution can be as basic as the parallax method. We propose a new stellar ranging scheme by using the offset of second-order correlation curve signals. The optical path difference between the stars and different base stations is determined by the offset of the second-order correlation curve signals. Then the distance of the stars could be determined by the geometric relation. With the distance to stars out to 10 kpc away, our astrometric precision can be better compared to Gaia by simulation. We also design an experiment and successfully demonstrate the feasibility of this scheme. This stellar ranging scheme enables further and more accurate stellar ranging without requiring any prior information or angle measurement. 展开更多
关键词 astrometry techniques:miscellaneous methods:observational methods:miscellaneous instrumentation:miscellaneous
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Socioeconomic disparities of patients with acute kidney injury:subgroup analysis of local hospitals in China from a national survey 认领 引用
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作者 Lihua Wu Jinwei Wang +15 位作者 Yaqi Ma Fengwu Luan Mengting Wang Zhihong Feng Yanhong Tian Lu Li Rui Chu Xiaolong Yin Yan Wang Yanmei Li Xiaoyan Guo Xiaoling Zhou Min Yu Yinyin Yan Li Yang Menghua Chen 《Chinese Medical Journal》 SCIE CAS CSCD 2022年第24期3016-3018,共3页
To the Editor:Acute kidney injury(AKI)is a common public health problem worldwide,which can adversely affect patients’quality of life and even lead to death.[1]Academic hospitals play an important role in admittin... To the Editor:Acute kidney injury(AKI)is a common public health problem worldwide,which can adversely affect patients’quality of life and even lead to death.[1]Academic hospitals play an important role in admitting and providing treatment for patients with AKI,but limited data exist regarding the characteristics of patients in county-level local hospitals.Our research group initiated a comprehensive survey as part of the International Society of Nephrology’s"0 by 25"project(eliminating all deaths related to untreated AKI by 2025)for investigating the disease burden of AKI and its associated risk factors and prognosis through 22 province-level regions of China in 2013. 展开更多
关键词 patients kidney injury
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