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| 1 | Full-space Cloud of Random Points with a Scrambling Metasurface显示文摘With the rapid progress in computer science,including artificial intelligence,big data and cloud computing,full-space spot generation can be pivotal to many practical applications,such as facial recognition,motion detection,augmented reality,etc.These opportunities may be achieved by using diffractive optical elements(DOEs)or light detection and ranging(LIDAR).However,DOEs suffer from intrinsic limitations,such as demanding depth-controlled fabrication techniques,large thicknesses(more than the wavelength),Lambertian operation only in half space,etc.LIDAR nevertheless relies on complex and bulky scanning systems,which hinders the miniaturization of the spot generator.Here,inspired by a Lambertian scatterer,we report a Hermitian-conjugate metasurface scrambling the incident light to a cloud of random points in full space with compressed information density,functioning in both transmission and reflection spaces.Over 4044 random spots are experimentally observed in the entire space,covering angles at nearly 90°.Our scrambling metasurface is made of amorphous silicon with a uniform subwavelength height,a nearly continuous phase coverage,a lightweight,flexible design,and low-heat dissipation.Thus,it may be mass produced by and integrated into existing semiconductor foundry designs.Our work opens important directions for emerging 3D recognition sensors,such as motion sensing,facial recognition,and other applications. | Zile Li Qi Dai Muhammad Q.Mehmood Guangwei Hu Boris Luk’yanchuk Jin Tao Chenglong Hao Inki Kim Heonyeong Jeong Guoxing Zheng Shaohua Yu Andrea Alù Junsuk Rho Cheng-Wei Qiu | 2018 | Light(Science & Applications)2018，7，1： | 6 |
| 2 | Selected Problems of Laser Ablation Theory 显示文摘 | Anisimov S I Luk'yanchuk B S | 2002 | Physics-Uspekhi2002，45，3： | 1 |
| 3 | Enhanced dielectric and electrocaloric properties in lead-free rod-like BCZT ceramics显示文摘Ba0.85Ca0.15Zr0.10Ti0.90O3(BCZT)lead-free ceramics demonstrated excellent dielectric,ferroelectric,and piezoelectric properties at the morphotropic phase boundary(MPB).So far,to study the effect of morphological changes on dielectric and ferroelectric properties in lead-free BCZT ceramics,researchers have mostly focused on the influence of spherical grain shape change.In this study,BCZT ceramics with rod-like grains and aspect ratio of about 10 were synthesized by surfactant-assisted solvothermal route.X-ray diffraction(XRD)and selected area electron diffraction(SAED)performed at room temperature confirm the crystallization of pure perovskite with tetragonal symmetry.Scanning electron microscopy(SEM)image showed that BCZT ceramics have kept the 1D rod-like grains with an average aspect ratio of about 4.Rod-like BCZT ceramics exhibit enhanced dielectric ferroelectric(εr=11,906,tanδ=0.014,Pr=6.01μC/cm^2,and Ec=2.46 kV/cm),and electrocaloric properties(ΔT=0.492 K andz=0.289(K×mm)/kV at 17 kV/cm)with respect to spherical BCZT ceramics.Therefore,rod-like BCZT lead-free ceramics have good potential to be used in solid-state refrigeration technology. | Zouhair HANANI Soukaina MERSELMIZ Abdelaadim DANINE Nicolas STEIN Daoud MEZZANE M’barek AMJOUD Mohammed LAHCINI Yaovi GAGOU Matjaz SPREITZER Damjan VENGUST Zdravko KUTNJAK Mimoun El MARSSI Igor ALUK'YANCHUK Mohamed GOUNE | 2020 | Journal of Advanced Ceramics2020，9，2： | 1 |
| 4 | Organic solvents as catalysts of formation of phosphorus-containing thiosemicarbazides显示文摘 | Yanchuk N | | 0，，08： | 1 |
| 5 | General and specific combining abihty from discon- nected partial diallels of coastal douglas-fir 显示文摘 | Yanchuk A D | 1996 | Silvae Genetica1996，45，1： | 1 |
| 6 | the Fano resonance in plasmonicnanostructuresand raetamaterials显示文摘 | Boris luk ’ yanchuk | 2010 | NMAT28102010，，： | 1 |
| 7 | Dynamical approach to complex regional economic growth based on Keynesian model for China显示文摘 | Yanchuk S Kristensen G Sushko I | 2003 | Chaos Solitons Fractals2003，18，： | 1 |
| 8 | The development of British Columbia’stree seed transfer guidelines: Purpose, concept, methodology, andimplementation显示文摘 | Ying C C Yanchuk A D | 2006 | Forest Ecology & Management2006，227，2： | 1 |
| 9 | Femtosecond laser application for high capacity optical data storage显示文摘 | M.H. Hong B. Luk’yanchuk S.M. Huang T.S. Ong L.H. Van T.C. Chong | 2004 | Applied Physics A (-)2004，，4： | 1 |
| 10 | Tunable Fano resonances in silver–silica–silver multilayer nanoshells显示文摘 | Jin Ho Boris Luk’yanchuk Jing Zhang | 2012 | Applied Physics A2012，，1： | 1 |
| 11 | Particle on the surface:Basic physical problems related to laser cleaning显示文摘 | LUK'YANCHUK B S ZHENG Y W LU Y F | 2002 | SPIE2002，4426，： | 1 |
| 12 | Organic solvents as catalysts of formation of phosphorus-containing thiosemicarbazides 显示文摘 | YANCHUK N | 2006 | Russian J General Chem2006，76，8： | 1 |
| 13 | Genetic diversity, differentiation, and inbreeding in Pacific yew from British Columbia显示文摘 | E1-Kassaby Y A Yanchuk A D | 1994 | Journal of Heredity1994，85，2： | 1 |
| 14 | Correlation of the catalytic ac- tivity of pyridines and N-pyridine oxides with their basici- ty显示文摘 | Yanchuk N I lvanets L N | 2002 | Russ J Gen Chem2002，72，9： | 1 |
| 15 | Large-area laser nano-texturing with user-defined patterns显示文摘 | L Li W Guo Z B Wang Z Liu D Whitehead B Luk’yanchuk | 2009 | Journal of Micromechanics and Microengineering2009，，： | 1 |
| 16 | The Fano resonance in plasmonic nanostructures and metamaterials 显示文摘 | Luk' yanchuk B Zheludev N I Maier S A | 2010 | Nature Materials2010，9，9： | 1 |
| 17 | Genetic variation in growth and wood specific gravity and its utility in the improvement of interior spruce in British Columbia显示文摘 | Yanchuk A D Kiss G K | 1993 | Silvae Genetica1993，42，23： | 1 |
| 18 | Loss of Synchrwonization in Coupled Rossler Systems显示文摘 | Yanchuk S Maistrenko Y Mosekilde E | 2001 | Physics D2001，154，1： | 1 |
| 19 | Genetic varation of growth and wood specific gravity and its utility in the improvement of interior spruce in British Columbia显示文摘 | Yanchuk A D Kiss G K | 1992 | Silvea Genetiea1992，42，： | 1 |
| 20 | Symmetry relationship and strain-induced transitions between insulating M1 and M2 and metallic R phases of vanadium dioxide 显示文摘 | TSELEV A LUK'YANCHUK I A IVANOV I N | 2010 | Nano Letters2010，10，11： | 1 |
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