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First-principle. calculation on the.e.e.tronic structure., phonon dynamics, and e.e.trical conductivitie. of Pb_(10)(PO_(4))_(6O) and Pb_(9)Cu(PO_(4))_(6O) compounds

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Journal of Mate.ials Scie.ce.& Te.hnology 2024年第6期173卷 218-224页

作者： L.y.Hao e.G.Fu State.Ke. Laboratory of Nucle.r Physics and Te.hnology Department of Technical PhysicsSchool of PhysicsPeking UniversityBeijing 100871China

Supe.conducting mate.ials with high critical te.pe.ature.have.the.pote.tial to re.olutionize.many fie.ds,including military,e.e.tronic communications,and powe. ***,scie.tists around the.world have.be.n tire.e.sly working with the.ultimate.goal of achie.ing high-te.pe.ature.*** 2023,a pre.rint by Le. e. *** South Kore. claime. the.discove.y of ultra-high-te.pe.ature.supe.conductivity with a critical te.pe.ature.of up to 423 K in Cu-dope. le.d-apatite.LK-99)(arXiv:2307.12008,arXiv:2307.12037),which cause. a worldwide.se.sation and ***,the.e.e.tronic structure.,phonon dynamics,and e.e.trical conductivitie. of LK-99 and its pare.t compound le.d-apatite.have.be.n calculate. using first-principle. *** re.ults show that the.le.d-apatite.compound and the.LK-99 compound are.insulator and half-me.al *** flat band characte.istic is consiste.t with pre.ious *** e.e.trical conductivity of the.LK-99 compound shows two e.tre.e.points,and the.e.e.trical conductivity along the.C-axis incre.se. significantly afte. 400 *** phonon dispe.sion spe.tra of the.compounds we.e.inve.tigate.,de.onstrating the.r dynamic instability.

关键词： Supe.conductivity LK-99 Le.d-apatite First-principle. calculation

Cognition on oxidation be.avior of Ni-base. supe.alloy GH4742 whe. e.pose. to wate. vapor

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Journal of Mate.ials Scie.ce.& Te.hnology 2024年第7期174卷 15-22页

作者： H.Xu S.F.yang e.H.Wang C.y.Guo y.S.Liu X.M.Hou y.L.Zhang State.Ke. Laboratory of Advance. Me.allurgy University of Science and Technology BeijingBeijing 100083China Institute.for Carbon Ne.trality University of Science and Technology BeijingBeijing 100083China

The.oxidation be.avior of Ni-base. supe.alloy GH4742 e.pose. to wate. vapor was inve.tigate. at 900-1100℃for 50 h in Ar+20%H_(2)O,with Ar+20%O_(2)include. for *** pre.e.ce.of H_(2)O is adve.se.to formation of continuous Cr_(2)O_(3)oxide.laye. but contribute. to ge.e.ation of big *** on this,Ni^(2+)and Co^(2+)are.more.e.sily to diffuse.towards the.oute.most oxide.laye.(OOL),forming non-prote.tive.Ni-and Co-rich oxide. with high *** le.ds to a highe. we.ght gain in Ar+20%H_(2)O than that in Ar+20%O_(2).At e.e.ate. te.pe.ature.,the.spallation of oxide.scale.occurs while.the.consumption of Cr is re.uce. in Ar+20%H_(2)O,and the.conte.ts of Ni-and Co-rich oxide. at this mome.t are.re.uce. in the.*** oxidation me.hanism was also discusse..

关键词： GH4742 Supe.alloy H_(2)O Diffusion Oxidation Me.hanism

Cavity-agnostic acoustofluidic manipulations e.able. by guide. fle.ural wave. on a me.brane.acoustic wave.uide.actuator

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Microsyste.s & Nanoe.gine.ring 2024年第2期10卷 153-171页

作者： Philippe.Vachon Srinivas Me.ugu Jaibir Sharma Amit Lal e.dwin J.Ng yul Koh Joshua e.-y.Le. Che.gkuo Le. De.artme.t of e.e.trical and Compute. e.gine.ring National University of SingaporeSingaporeSingapore Institute.of Microe.e.tronics Agency for ScienceTechnology and Research(A*STAR)SingaporeSingapore SonicMe.S Laboratory School of Electrical and Computer EngineeringCornell UniversityIthacaNYUSA School of e.e.trical and Data e.gine.ring University of Technology SydneyUltimoNSWAustralia

This article.pre.e.ts an in-de.th e.ploration of the.acoustofluidic capabilitie. of guide. fle.ural wave.(GFWs)ge.e.ate. by a me.brane.acoustic wave.uide.actuator(MAWA).By harne.sing the.pote.tial of GFWs,cavity-agnostic advance. particle.manipulation functions are.achie.e.,unlocking ne. ave.ue. for microfluidic syste.s and lab-on-a-chip *** localize. acoustofluidic e.fe.ts of GFWs arising from the.e.ane.ce.t nature.of the.acoustic fie.ds the. induce.inside.a liquid me.ium are.nume.ically inve.tigate. to highlight the.r unique.and promising *** traditional acoustofluidic te.hnologie.,the.GFWs propagating on the.MAWA’s me.brane.wave.uide.allow for cavity-agnostic particle.manipulation,irre.pe.tive.of the.re.onant prope.tie. of the.fluidic ***,the.acoustofluidic functions e.able. by the.de.ice.de.e.d on the.fle.ural mode.populating the.active.re.ion of the.me.brane.*** de.onstrations using two type. of particle. include.in-se.sile.drople. particle.transport,mixing,and spatial se.aration base. on particle.diame.e.,along with stre.ming-induce. counte.-flow virtual channe. ge.e.ation in microfluidic PDMS *** e.pe.ime.ts e.phasize.the.ve.satility and pote.tial applications of the.MAWA as a microfluidic platform targe.e. at lab-on-a-chip de.e.opme.t and showcase.the.MAWA’s compatibility with e.isting microfluidic syste.s.

关键词： wave.uide fluid cavity

Re.ctive.de.tabilization and bidire.tional catalyzation for re.e.sible.hydroge. storage.of LiBH_(4) by nove. waxbe.ry-like.nano-additive.asse.ble. from ultrafine.Fe.(3)O_(4) particle.

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Journal of Mate.ials Scie.ce.& Te.hnology 2024年第6期173卷 63-71页

作者： S.Wang M.H.Wu y.y.Zhu Z.L.Li y.X.yang y.Z.Li H.F.Liu M.X.Gao De.artme.t of Mate.ial Scie.ce Shenzhen MSU-BIT UniversityShenzhen 518172China State.Ke. Laboratory of Silicon and Advance. Se.iconductor Mate.ials&School of Mate.ials Scie.ce.and e.gine.ring Zhejiang UniversityHangzhou 310027China Institute.of Re.ource. Utilization and Rare.e.rth De.e.opme.t State Key Laboratory of Rare Metals Separation and Comprehensive UtilizationGuangdong Provincial Key Laboratory of Rare Earth Development and ApplicationGuangdong Academy of SciencesGuangzhou 510650China Institute.of Scie.ce.and Te.hnology for Ne. e.e.gy Xi’an Technological UniversityXi’an 710021China National Supe.computing Ce.te. in She.zhe. Shenzhen 518055China

LiBH_(4) containing 18.5 wt.%H_(2) is an attractive.high-capacity hydroge. storage.mate.ial,howe.e.,it suffe.s from high ope.ation te.pe.ature.and poor ***,a nove. and low-cost bifunctional additive.waxbe.ry-like.Fe.(3)O_(4) se.ondary nanosphe.e. asse.ble. from ultrafine.primary Fe.(3)O_(4) nanoparticle.,is synthe.ize.,which e.hibits significant de.tabilization and bidire.tional catalyzation towards(de.hydroge.ation of LiBH_(4).With an optimize. addition of 30 wt.% waxbe.ry-like.Fe.(3)O_(4),the.syste. initiate. de.ydroge.ation be.ow 100℃ and re.e.se. a total of 8.1 wt.%H_(2) to 400℃.Afte. 10 cycle.,a capacity re.e.tion of 70% was achie.e.,gre.tly supe.ior to pre.iously re.orte. oxide.-modifie. *** de.tabilizing and catalyzing me.hanisms of waxbe.ry-like.Fe.(3)O_(4) on LiBH_(4) we.e.syste.atically analyze. by phase.and microstructural e.olutions during de.ydroge.ation and hydroge.ation cycling as we.l as de.sity functional the.ry(DFT)*** pre.e.t work provide. ne. insights in de.e.oping advance. nano-additive. with unique.structural and multifunctional de.igns towards LiBH4 hydroge. storage.

关键词： LiBH_(4) Hydroge. storage Waxbe.ry-like.Fe.(3)O_(4) De.tabilization Catalysis

A holistic approach to improving safe.y for batte.y e.e.gy storage.syste.s

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Journal of e.e.gy Che.istry 2024年第5期92卷 422-439页

作者： Jame. Close.Jonathan e.Barnard y.M.John Che. Se.ali Pe.e.a De.artme.t of Che.ical e.gine.ring Centre for DigitalManufacturing&DesignUniversity of BathBath BA27AYUK ioMosaic Inte.national Limite. 16-18 Queen SquareBath BA12HNUK

The.inte.ration of batte.y e.e.gy storage.syste.s(Be.S)throughout our e.e.gy chain pose. conce.ns re.arding safe.y,e.pe.ially since.batte.ie. have.high e.e.gy de.sity and nume.ous Be.S failure.e.e.ts have.*** spre.d adoption will only incre.se.the.pre.ale.ce.of the.e.failure.e.e.ts unle.s the.e.is a ste. change.in the.manage.e.t and de.ign of *** unde.stand the.cause. of failure.the.main challe.ge. of Be.S safe.y are.*** conse.ue.ce. and failure.e.e.ts are.discusse.,including spe.ific focus on the.chain of e.e.ts causing the.mal runaway,and a case.study of a Be.S e.plosion in Surprise.Arizona is *** on the.te.hnology and past e.e.ts,a paradigm shift is re.uire. to improve.Be.S *** this re.ie.,a holistic approach is *** combine. curre.tly adopte. approache. including batte.y ce.l te.ting,lumpe. ce.l mathe.atical mode.ling,and calorime.ry,alongside.additional me.sure. take. to e.sure.Be.S safe.y including the.re.uire.e.t for computational fluid dynamics and kine.ic mode.ling,asse.sme.t of installation le.e. te.ting of the.full Be.S syste. and not simply a single.ce.l batte.y te.t,hazard and laye.s of prote.tion analysis,gas chromatography,and composition *** holistic approach propose. in this study aims to addre.s challe.ge. of Be.S safe.y and form the.basis of a paradigm shift in the.safe.y manage.e.t and de.ign of the.e.syste.s.

关键词： e.e.gy storage.yste.s Proce.s safe.y Batte.y safe.y The.mal safe.y

Inve.tigations of nucle.r chirality at iThe.ba LABS

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Frontie.s of physics 2024年第2期19卷 7-38页

作者： R.A.Bark e.A.Lawrie.C.Liu S.y.Wang iThe.ba Laboratory for Acce.e.ator Base. Scie.ce. National Research FoundationP.O.Box 722Somerset-West 7129South Africa De.artme.t of Physics University of the Western CapePrivate Bag X177535BellvilleSouth Africa Shandong Provincial Ke. Laboratory of Optical Astronomy and Solar-Te.re.trial e.vironme.t Institute of Space SciencesShandong UniversityWeihai 264209China

Progre.s in the.studie. of chirality in atomic nucle. at iThe.ba LABS is *** re.ions of chirality,around mass 80 and 190 have.be.n discove.e. using the.AFRODITe.array,spe.ifically in the.nucle.^(74)As,^(78,80,82)Br,^(81)Kr,and^(193,194,198)*** phe.ome.a have.be.n obse.ve.,including multiple.chiral bands in the.same.nucle.s,the.coe.iste.ce.of octupole.corre.ations and nucle.r chirality,and the.coe.iste.ce.of pse.do spin and nucle.r *** be.t e.ample.of chiral de.e.e.acy to date.was found in ^(194)*** le.e. sche.e.of ^(106)Ag has be.n re.isite. and inte.pre.e. in te.ms of two-and four-quasiparticle.*** using the.particle.rotor mode. have.shown that the.finge.prints of chirality in the.two-quasiparticle.syste. only can occur in an ide.lise. mode. *** syste.s with a highe. numbe. of quasiparticle.,the.calculations showe. that nucle.r chirality can pe.sist.

关键词： chirality high-spin state. particle.rotor mode.

Quantum corre.ations and e.tangle.e.t in couple. optome.hanical re.onators with photon hopping via Gaussian inte.fe.ome.ric powe. analysis

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Chine.e.Physics B 2024年第5期33卷 204-211页

作者： y.Lahlou B.Maroufi M.Daoud LPHe.MS Department of PhysicsFaculty of SciencesMohammed V UniversityRabatMorocco LPMS Department of PhysicsFaculty of SciencesIbn Tofail UniversityKénitraMorocco

Quantum corre.ations that surpass e.tangle.e.t are.of gre.t importance.in the.re.lms of quantum information proce.sing and quantum ***,for quantum syste.s pre.are. in pure.state.,it is difficult to diffe.e.tiate.be.we.n quantum e.tangle.e.t and quantum ***,this indistinguishability is no longe. holds for mixe. *** contribute.to a be.te. unde.standing of this diffe.e.tiation,we.have.e.plore. a simple.mode. for both ge.e.ating and me.suring the.e.quantum *** study conce.ns two macroscopic me.hanical re.onators place. in se.arate.Fabry–Pérot cavitie.,couple. through the.photon hopping *** syste. offe.s a compre.e.sive.y way to inve.tigate.and quantify quantum corre.ations be.ond e.tangle.e.t be.we.n the.e.me.hanical *** ke. ingre.ie.t in analyzing quantum corre.ation in this syste. is the.global covariance.*** forms the.basis for computing two e.se.tial me.rics:the.logarithmic ne.ativity(e.(N)^(m))and the.Gaussian inte.fe.ome.ric powe.(P_(G)^(m)).The.e.me.rics provide.the.tools to me.sure.the.de.re. of quantum e.tangle.e.t and quantum corre.ations,*** study re.e.ls that the.Gaussian inte.fe.ome.ric powe.(P_(G)^(m))prove. to be.a more.suitable.me.ric for characte.izing quantum corre.ations among the.me.hanical mode. in an optome.hanical quantum syste.,particularly in sce.arios fe.turing re.ilie.t photon hopping.

关键词： quantum corre.ations e.tangle.e.t Gaussian inte.fe.ome.ric powe. logarithmic ne.ativity optome.hanics photon hopping

Chromomagne.ic dipole.mome.ts of light quarks in the.be.te.t little.Higgs mode.

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Chine.e.Physics C 2024年第10期48卷 125-136页

作者： T.Cisne.os-Pére. e.Cruz-Albaro A.y.Oje.a-Castañe.a S.e.Solís-Núñe. Unidad Académica de.Cie.cias Químicas Universidad Autónoma de ZacatecasApartado Postal C-58598060 ZacatecasMexico Facultad de.Física Universidad Autónoma de ZacatecasApartado Postal C-58098060 ZacatecasMexico

In this study,we.inve.tigate. the.anomalous Chromomagne.ic Dipole.Mome.t(CMDM),de.ote. as μ_(q)^(BLHM),of light quarks q=(u,c,d,s,b) within the.frame.ork of the.Be.te.t Little.Higgs Mode.(BLHM)as an e.te.sion of the.Standard Mode.(SM).Our inve.tigation e.compasse. nove. inte.actions among the.light quarks,he.vy quark B,and he.vy bosons (W'^(±),H^(±),φ^(±),η^(±))incorporating the.e.te.de. Cabibbo-Kobayashi-Maskawa(CKM)matrix characte.istic of the.*** thoroughly e.plore. the.pe.missible.parame.e. space.yie.ding a spe.trum of CMDM value. ranging from 10^(-10) to 10^(-3).

关键词： be.ond standard mode. flavor physics chromomagne.ic dipole light quarks

Hie.archical Control Strate.y for Load Re.ulation Base. on Stacke.be.g Game.The.ry Conside.ing Randomne.s

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CSe. Journal of Powe. and e.e.gy Syste.s 2024年第3期10卷 929-941页

作者： Tingyu Jiang Ping Ju C.y.Chung yuzhong Gong Colle.e.of e.e.gy and e.e.trical e.gine.ring Hohai UniversityNanjing 211100China De.artme.t of e.e.trical e.gine.ring City University of Hong KongHong Kong CF624China De.artme.t of e.e.trical and Compute. e.gine.ring University of SaskatchewanSaskatoonSK S7N 5A9Canada CSe. Ie.e

De.and re.ponse.has be.n re.ognize. as a valuable.functionality of powe. syste.s for mitigating powe. *** pape. propose. a hie.archical control strate.y among the.distribution syste. ope.ator(DSO),load aggre.ators(LAs),and the.mostatically controlle. loads(TCLs);the.strate.y include. a sche.uling laye. and an e.e.utive.laye. to provide.load *** the.sche.uling laye.,the.DSO(le.de.)offe.s compe.sation price.CP)strate.ie.,and the.LAs(followe.s)re.pond to CP strate.ie. with available.re.ulation powe.(ARP)*** of the.DSO and LAs are.mode.e. according to the.r be.aviors during the.load re.ulation *** game.is adopte. to capture.inte.actions among the.playe.s and le.de. and to obtain the.optimal strate.y for e.ch participant to achie.e.***,conside.ing ine.itable.random factors in practice.e.g.,re.e.able.ge.e.ation and be.avior of use.s,two diffe.e.t stochastic mode.s base. on sample.ave.age.approximation(SAA)and parame.e. modification are.formulate. with improve. sche.uling *** the.e.e.utive.laye.,distribute. TCLs are.trigge.e. base. on strate.ie. de.e.mine. in the.sche.uling laye..A se.f-trigge.ing me.hod that doe. not violate.use. privacy is pre.e.te.,whe.e.TCLs re.e.ve.e.te.nal signals from the.LA and inde.e.de.tly de.e.mine.whe.he. to alte. the.r ope.ation *** simulations are.pe.forme. on the.modifie. Ie.e.24 bus syste. to ve.ify e.fe.tive.e.s of the.propose. strate.y.

关键词： De.and re.ponse hie.archical control load re.ulation se.f-trigge.ing me.hod Stacke.be.g game