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The Quaternion Matrix Equation ∑A^iXB_i=E

Acta Mathematica Sinica,English Series 1998年第1期14卷 91-98页

作者： huang liping department of basic sciences, xiangtan polytechnic university, xiangtan 4.1201, china department of basic sciences Xiangtan Polytechnic University

Let H_F be the generalized quaternion division algebra over a field F with charF≠2. In this paper, the ad joint matrix of any n×n matrix over H_F[λ] is defined and its properties is discussed. By using the adjoint matrix and the method of representation matrix, this paper obtains several necessary and sufficieut conditions for the existence of a solution or a unique solution to the matrix equation sum from n=i to k A^iXB_i=E over H_F, and gives some explicit formulas of solutions.

关键词： Generalized quaternion matrix Adjoint matrix Matrix equation Representation matrix

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Mimicking Mytilus edulis foot protein:A versatile strategy for robust biomedical coatings

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The Innovation 2024年第5期5卷 73-82,72页

作者： Zeyu Du Feng Qiao liping Tong Wentai Zhang Xiaohui Mou Xin Zhao Manfred FMaitz Huaiyu Wang Nan huang Zhilu Yang School of Materials Science and Engineering Department of CardiologyThird People’s Hospital of Chengdu Affiliated with Southwest Jiaotong UniversitySouthwest Jiaotong UniversityChengdu 610031China Dongguan Key Laboratory of Smart Biomaterials and Regenerative Medicine The Tenth Affiliated Hospital of Southern Medical UniversityDongguan 523059China Institute of Biomedicine and Biotechnology Shenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen 518055China department of Biomedical Engineering The Hong Kong Polytechnic UniversityHung HomHong KongChina Max Bergmann Center of Biomaterials Dresden Leibniz Institute of Polymer Research DresdenHohe Strasse 601069 DresdenGermany The Key Laboratory of Biomedical Imaging Science and System Chinese Academy of SciencesShenzhen 518055China GuangZhou Nanchuang Mount Everest Company for Medical Science and Technology Guangzhou 510670China

Universal coatings with versatile surface adhesion,good mechanochemical robustness,and the capacity for secondary modification are of great scientific ***,incorporating these advantages into a system is still a great ***,we report a series of catechol-decorated polyallylamines(CPAs),denoted as pseudo-Mytilus edulis foot protein 5(pseudoMefp-5),that mimic not only the catechol and amine groups but also the backbone of *** can fabricate highly adhesive,robust,multifunctional polyCPA(PCPA)coatings based on synergetic catechol-polyamine chemistry as universal building *** to the interpenetrating entangled network architectures,these coatings exhibit high chemical robustness against harsh conditions(HCl,pH 1;NaOH,pH 14;H2O2,30%),good mechanical robustness,and wear *** addition,PCPA coatings provide abundant grafting sites,enabling the fabrication of various functional surfaces through secondary ***,the versatility,multifaceted robustness,and scalability of PCPA coatings indicate their great potential for surface engineering,especially for withstanding harsh conditions in multipurpose biomedical applications.

关键词： wear catechol versatile

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Observing suppressed polarization in flexible ferroelectric negative capacitance field effect transistors

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Journal of Materiomics 2024年第4期10卷 762-769页

作者： Chuanlai Ren Liyufen Dai Congbing Tan Guangtong Yuan Ke Qu Jinbin Wang Xiangli Zhong Mingqiang huang Jiyan Dai Gaokuo Zhong Jiangyu Li Shenzhen Institutes of Advanced Technology Chinese Academy of SciencesShenzhen518055GuangdongChina Guangdong Provincial Key Laboratory of Functional Oxide Materials and Devices Southern University of Science and TechnologyShenzhen518055GuangdongChina School of Materials Science and Engineering Xiangtan UniversityXiangtan411105HunanChina School of Physics and Electronics Hunan University of Science and TechnologyXiangtan411201HunanChina department of Materials Science and Engineering Southern University of Science and TechnologyShenzhen518055GuangdongChina department of Applied Physics The Hong Kong Polytechnic UniversityHong Kong999077China

Negative capacitance(NC)has the potential to enable low power microelectronics beyond the fundamental thermionic limit,and it has been theorized that the thermodynamically unstable NC of ferroelectrics can be stabilized by linear dielectric,making negative capacitance ferroelectric field effect transistors(NC-FeFET)***,the validity of NC as a physical concept for ferroelectrics remain contentious despite numerous theoretical and experimental investigations,and the intrinsic ferroelectric NC with suppressed polarization has not been demonstrated except locally at vortex *** NC-FeFET with subthreshold swing(SS)lower than 60 mV/dec limit has been reported,such device characteristics has not been directly connected to suppressed polarization at materials’level,and alternative mechanisms other than NC have also been *** we demonstrate stable sub-60 mV/dec SS with hysteresis free Isingle bondV in NC-FeFET based on SrTiO_(3)/Pb(Zr_(0.1)Ti_(0.9))O_(3)/SrTiO_(3) heterostructure,and observe its suppressed polarization at both macroscopic and microscopic *** intrinsic ferroelectric NC thus is experimentally confirmed and directly connected to NC-FeFET performance,and the mica-based device is also highly flexible and robust under cyclic bending as well as extended heating.

关键词： Negative capacitance field-effect transistors Ferroelectric Pulse laser deposition Mica

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Phase separation and domain crystallinity control enable open-air-printable highly efficient and sustainable organic photovoltaics

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InfoMat 2024年第3期6卷 131-143页

作者： Jie Lv Xiaokang Sun Hua Tang Fei Wang Guangye Zhang Liangxiang Zhu Jiaming huang Qianguang Yang Shirong Lu Gang Li Frédéric Laquai Hanlin Hu Hoffmann Institute of Advanced Materials Shenzhen Polytechnic UniversityShenzhenthe People's Republic of China Shenzhen Institutes of Advanced Technology Chinese Academy of SciencesShenzhenthe People's Republic of China School of Materials Science and Engineering Xiangtan UniversityXiangtanthe People's Republic of China KAUST Solar Center Physical Sciences and Engineering Division(PSE)Materials Science and Engineering Program(MSE)King Abdullah University of Science and Technology(KAUST)ThuwalKingdom of Saudi Arabia College of New Materials and New Energies Shenzhen Technology UniversityShenzhenthe People's Republic of China department of Electronic and Information Engineering The Hong Kong Polytechnic UniversityHong Kong SARthe People's Republic of China department of Material Science and Technology Taizhou UniversityTaizhouthe People's Republic of China

Organic solar cells(OSCs)have emerged as a promising solution for sustainable energy production,offering advantages such as a low carbon footprint,short energy payback period,and compatibility with ***,the use of hazardous solvents continues to dominate the best-performing OSCs,mainly because of the challenges of controlling phase separation and domain crystallinity in *** this study,we combined the solvent vapor treatment of CS2 and thermal annealing to precisely control the phase separation and domain crystallinity in PM6:M-Cl and PM6:O-Cl systems processed with the eco-solvent *** method resulted in a maximum power conversion efficiency(PCE)of 18.4%,which is among the highest values reported for sustainable binary ***,the fabrication techniques were transferred from spin coating in a nitrogen environment to blade printing in ambient air,retaining a PCE of 16.0%,showing its potential for high-throughput and scalable *** addition,a comparative analysis of OSCs processed with hazardous and green solvents was conducted to reveal the differences in phase *** work not only underscores the significance of sustainability in OSCs but also lays the groundwork for unlocking the full potential of open-air-printable sustainable OSCs for commercialization.

关键词： open-air printable organic solar cells sustainability

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