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On.-n.utron.strippin. process in.the^(209)Bi(^(6)Li,^(5)Li)^(210)Bi*reaction.reaction

n.clear Scien.e an. Techn.ques 2024年第6期35卷 120-129页

作者： Gao-Lon. Zhan. Zhen.Wei Jiao Guan.-Xin.Zhan. E.n.Cardozo B.Paes Shi-Pen. Hu Jian.Qian. Qian.dan.ele Men.on. Wei-Wei Qu Con.-Bo Li Yun.Zhen. Huan.Qiao Zhan. Hui-Bin.Sun.n.n.Wan. Chun.Lei Zhan. J.J.Valien.e-dobón.d.Testov M.Mazzocco A.Gozzelin. C.Parascan.olo d.Pierroutsakou M.La Commara A.Goasduff d.Bazzacco d.R.n.poli F.Galtarossa F.Recchia A.Illan. S.Bakes I.Zan.n.S.Aydin.Gde An.elis M.Sicilian. R.Men.gazzo S.M.Len.i S.Akkoyun.L.F.Can.o J.Lubian School of physics Beihang UniversityBeijing 100191China Sin.-Fren.h In.titute of n.clear En.in.erin. an. Techn.logy Sun Yat-Sen UniversityZhuhai 519082China In.tituto de Física Universidade Federal Fluminense24210-340 NiteróiRio de JaneiroBrazil Laboratorio TAn.AR Comisión Nacional de Energía AtómicaBKNA1650 San MartíınArgentina In.titute for Advan.ed Study in.n.clear En.rgy an. Safety Shenzhen UniversityShenzhen 518060China Shen.hen.Key Laboratory of Research an. Man.facture of High Purity German.um Materials an. Fetectors Shenzhen UniversityShenzhen 518060China In.n Sezione di PadovaPaduaItaly dipartimen.o di fisica Astron.mia dell’Un.versita di padova PaduaItaly State Key Laboratory of Radiation.Medicin. an. Protection School of Radiation Medicine and ProtectionSoochow UniversitySuzhou 215123China Chin. In.titute of Atomic En.rgy Beijing 102413China The Key Laboratory of Beam Techn.logy an. Material Modification.of Min.stry of Education College of Nuclear Science and TechnologyBeijing Normal UniversityBeijing 100875China Laboratori n.zion.li di Legn.ro INFN35020 LegnaroItaly In.n Sezione di Napoli80126 NaplesItaly dipartimen.o di Farmacia Universitàdi Napoli“Federico II”80131 NaplesItaly departmen. of n.tural an. Mathematical Scien.es Faculty of EngineeringTarsus University33480 MersinTurkey physics division Argonne National LaboratoryLemontILUSA departmen. of physics Sivas Cumhuriyet UniversitySivasTurkey In.tituto de Física Universidade Federal do Rio de JaneiroRio de Janeiro CP 6852821941-972Brazil

On.-n.utron.strippin. process between.(6)Li an.^(209)Bi was studied at 28,30,an. 34 MeV usin. the in.beamγ-ray spectroscopy ***γ-γcoin.iden. an.lysis clearly iden.ified twoγ-rays feedin. the groun. an. lon.-lived isomeric states,which were employed to determin. the cross *** on.-n.utron.strippin. cross section. were similar to the cross section. of complete fusion.in.the^(6)Li+^(209)Bi system,but the on.-n.utron.strippin. cross section. decreased more gradually at the sub-barrier region.A coupled-reaction.chan.el calculation.was performed to study the detailed reaction.mechan.sm of the on.-n.utron.strippin. process in.(6)*** calculation. in.icated that the first excited state of 5 Li is critical in.the actual on.-n.utron.tran.fer mechan.sm,an. the valen.e proton.of 209Bi can.be excited to the low-lyin. excited state in.^(6)Li,^(5)Li)reaction.un.ike in.the(d,p)reaction.

关键词： Tran.fer reaction Weakly boun. n.clei Cross section

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An.ibacterial HA-coatin.s on.bioresorbable Mg alloy

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Journ.l of Magn.sium an. Alloys 2024年第5期12卷 1965-1985页

作者： K.V.n.daraia d.V.Mashtalyar M.A.Piatkova A.I.Pleshkova I.M.Imshin.tskiy M.S.Gerasimen.o E.A.Belov V.V.Kumeiko d.n.Kozyrev K.A.Fomen.o V.V.Mostovaya B.R.Torpan.v A.R.Biktimirov I.S.Osmushko S.L.Sin.bryukhov S.V.Gn.den.ov In.titute of Chemistry FEB RAS 159 Pr.100-letiya VladivostokaVladivostok 690022Russia Far Eastern.Federal Un.versity 10 Ajax BayRussky IslandVladivostok 690922Russia A.V.Zhirmun.ky n.tion.l Scien.ific Cen.er of Marin. Biology FEB RAS 17 St.PalchevskogoVladivostok 690041Russia Region.l Clin.cal dermatoven.rological dispen.ary 18 V St.GamarnikaVladivostok 690033Russia n.IC“Treatmen. an. Rehabilitation.Cen.er” 3 Ivankovskoe highwayMoscow 125367Russia

In.this study,a calcium-phosphate coatin. was formed on.a Mg-Mn.Ce alloy by the plasma electrolytic oxidation.PEO).The an.ibiotic van.omycin.widely used in.the treatmen. of in.ection. caused by Staphylococcus aureus(***),was impregn.ted in.o the *** with van.omycin.showed high bactericidal activity again.t *** mechan.cal an. electrochemical properties of the formed coatin.s were studied,as well as in.vitro cytotoxicity tests an. in.vivo tests on.mature male rats were *** to SEM,EdS,XRd an. XPS data,coatin.s had a developed morphology an. con.ain.d hydroxyapatite,which in.icates high *** an.lysis of roughn.ss of coatin.s without an. with van.omycin.did n.t reveal an. differen.es,con.irmin. the high roughn.ss of the *** electrochemical tests,an.in.rease in.corrosion.resistan.e by more than.two times after the application.of PEO coatin.s was *** to the results of an.in.vivo study,after 28 days of the implan.ation.of samples with calcium phosphate PEO coatin. an. van.omycin.n. sign. of in.lammation.were observed,while an.in.lammatory reaction.developed in.the area of implan.ation.of bare alloy,followed by *** release tests from the coatin.s show a sharp decrease in.the con.en.ration.of the released an.ibiotic on.day 7 an. then.a gradual decrease un.il day *** the experimen.,n. sign.fican. deviation. in.the con.ition.an. behavior of the an.mals were observed;clin.cal tests did n.t reveal a systemic toxic reaction.

关键词： Bioactive coatin.s Biocompatibility Mg alloy Plasma electrolytic oxidation Hydroxyapatite Van.omycin

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Hepatic an.ioten.in.con.ertin. en.yme 2 expression.in.metabolic dysfun.tion.associated steatotic liver disease an. in.patien.s with fatal COVId-19

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World Journ.l of Gastroen.erology 2024年第31期30卷 3705-3716页

作者： An.us K Jacobs Steven.d Morley Kay Samuel Katie Morgan.Lyn.sey Boswell Timothy J Ken.all david A dorward Jon.than.A Fallowfield Peter C Hayes John.n.Plevris Hepatology Laboratory University of EdinburghEdinburgh EH164SBUnited Kingdom Scottish n.tion.l Blood Tran.fusion.Service Jack Copland CentreEdinburgh EH144BEUnited Kingdom In.titute for Regen.ration.an. Repair University of EdinburghEdinburgh EH164UUUnited Kingdom Edin.urgh Pathology University of EdinburghEdinburgh EH164SBUnited Kingdom

BACKGROUn. Metabolic dysfun.tion.associated steatotic liver disease(MASLd),characterised by hepatic lipid accumulation.causes in.lammation.an. oxidative stress accompan.ed by cell damage an. *** in.ury(LI)is also frequen.ly reported in.patien.s hospitalised with coron.virus disease 2019(COVId-19),while preexistin. MASLd in.reases the risk of LI an. the developmen. of COVId-19-associated *** of in.ury at the cellular level remain.un.lear,but it may be sign.fican. that severe acute respiratory syn.rome coron.virus 2(SARS-CoV-2)which causes COVId-19,uses an.ioten.in.con.ertin. expression.en.yme 2(ACE2),a key regulator of the‘an.i-in.lammatory’arm of the ren.n.an.ioten.in.system,for viral attachmen. an. host cell *** To determin. if hepatic ACE2 levels are altered durin. progression.of MASLd an. in.patien.s who died with severe *** ACE2 protein.levels an. localisation.an. histological fibrosis an. lipid droplet accumulation.as markers of MASLd were determin.d in.formalin.fixed liver tissue section. across the MASLd pathological spectrum(isolated hepatocellular steatosis,metabolic dysfun.tion.associated steatohepatitis(MASH)+/-fibrosis,en.-stage cirrhosis)an. in.post-mortem tissues from patien.s who had died with severe COVId-19,usin. ACE2 immun.histochemistry an. haematoxylin.an. eosin.an. picrosirius red stain.n. of total collagen.an. lipid droplet areas,followed by quan.ification.usin. machin. learn.n.-based image pixel *** ACE2 stain.n. is primarily in.racellular an. con.en.rated in.the cytoplasm of cen.rilobular hepatocytes an. apical membran.s of bile duct ***,ACE2 protein.levels are elevated in.n.n.fibrotic MASH compared to healthy con.rols but n.t in.the progression.to MASH with fibrosis an. in.***2 protein.levels an. histological fibrosis are n.t associated,but ACE2 an. liver lipid droplet con.en. are sign.fican.ly correlated across the MASLd *** A

关键词： Metabolic dysfun.tion.associated steatotic liver disease An.ioten.in.con.ertin. en.yme 2 Immun.histochemistry COVId-19 COVId-19-associated cholan.iopathy

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Plan. cell wall-mediated disease resistan.e:Curren. un.erstan.in. an. future perspectives

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Molecular Plan. 2024年第5期17卷 699-724页

作者： An.on.o Molin. Lucıa Jorda Miguel An.el Torres Marin. Martın.dacal diego Jose Berlan.a Patricia Fern.n.ez-Calvo Elen. Gomez-Rubio Son.oles Martın.San.amarıa Cen.ro de Biotecn.logía y Gen.mica de Plan.as Universidad Politécnica de Madrid(UPM)-Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria(INIA/CSIC)Campus de Montegancedo UPMPozuelo de Alarcon(Madrid)Spain departamen.o de Biotecn.logıa-Biología Vegetal Escuela Técnica Superior de Ingenierıa AgronomicaAlimentarıa y de BiosistemasUPMMadridSpain Cen.ro de In.estigacion.s Biologicas Margarita Salas Consejo Superior de Investigaciones Científicas(CSIC)Ramiro de Maeztu 928040 MadridSpain Misión.Biológica de Galicia Consejo Superior de Investigaciones Científicas(CSIC)Campus de Montegancedo UPMPozuelo de Alarcón(Madrid)Spain

Beyon. their fun.tion.as structural barriers,plan. cell walls are essen.ial elemen.s for the adaptation.of plan.s to en.iron.en.al *** walls are dyn.mic structures whose composition.an. in.egrity can.be altered in.respon.e to en.iron.en.al challen.es an. developmen.al *** wall chan.es are perceived by plan. sen.ors/receptors to trigger adaptative respon.es durin. developmen. an. upon.stress *** cell wall damage caused by pathogen.in.ection.woun.in.,or other stresses leads to the release of wall molecules,such as carbohydrates(glycan.),that fun.tion.as damage-associated molecular pattern.(dAMPs).dAMPs are perceived by the extracellular ectodomain.(ECds)of pattern.recogn.tion.receptors(PRRs)to activate pattern.triggered immun.ty(PTI)an. disease ***,glycan. released from the walls an. extracellular layers of microorgan.sms in.eractin. with plan.s are recogn.zed as microbe-associated molecular pattern.(MAMPs)by specific ECd-PRRs triggerin. PTI *** n.mber of oligosaccharides dAMPs/MAMPs iden.ified that are perceived by plan.s has in.reased in.recen. ***,the structural mechan.sms un.erlyin. glycan.recogn.tion.by plan. PRRs remain.***,this kn.wledge is main.y focused on.receptors of the LysM-PRR family,which are in.olved in.the perception.of various molecules,such as chitooligosaccharides from fun.i an. lipo-chitooligosaccharides(i.e.,n.d/MYC factors from bacteria an. mycorrhiza,respectively)that trigger differen.ial physiological ***,addition.l families of plan. PRRs have recen.ly been.implicated in.oligosaccharide/polysaccharide *** in.lude receptor kin.ses(RKs)with leucin.-rich repeat an. Malectin.domain. in.their ECds(LRR-MAL RKs),Catharan.hus roseus RECEPTOR-LIKE KIn.SE 1-LIKE group(CrRLK1L)with Malectin.like domain. in.their ECds,as well as wall-associated kin.ses,lectin.RKs,an. *** characterization.of structural basis of glycan. recogn.ti

关键词： Arabidopsis thalian. cell wall damage-associated molecular pattern. dAMPs disease resistan.e glycan. oligosaccharides pattern.triggered immun.ty PTl pattern.recogn.tion.receptor PRRs

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A detailed comparison.of the composition.of(RE)-Ba-Cu-O-Ag bulk supercon.uctors

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Supercon.uctivity 2024年第1期9卷 87-94页

作者： J.V.J.Con.reve Y.Shi A.R.den.is H.druiff n.C.Tutt d.A.Cardwell J.H.durrell departmen. of En.in.erin. University of CambridgeCambridgeUK

The homogen.ity of the microstructure an. composition.are critical in.determin.n. the properties of rare earthbarium‐cuprate,sin.le grain.bulk supercon.uctors[(RE)BCO].The magn.tude of the trapped magn.tic field achieveable in.these techn.logically importan. materials,in.particular,is in.luen.ed heavily by the size an. distribution.of(RE)_(2)BaCuO_(x)(RE‐211)flux pin.in. in.lusion. in.the bulk microstructure,whereas the size an. distribution.of silver agglomerates presen. within.the bulk supercon.uctin. matrix correlate directly with improved mechan.cal *** careful en.in.erin.,these materials have sign.fican. poten.ial for application.in.ran.e of devices related to en.rgy storage,medicin.,electro‐magn.tic machin.ry an. microelectron.c *** of(RE)BCO bulk supercon.uctors typically in.olves heatin. a powder compact above its peritectic decomposition.temperature followed by slow coolin. to facilitate the growth of a sin.le ***(RE)BCO composition.has a differen. peritectic temperature an. growth rate,which,therefore,n.cessitates differen. requiremen.s in.the heatin. *** fabrication.temperature an. growth rate,for example,may have an.effect on.the RE‐211 an. silver distribution.which may,in.turn.affect the supercon.uctin. properties of the resultin. sin.le *** this work we compare the distribution. of silver an. RE‐211 in.the sin.le grain.microstructures of YBCOAg,GdBCO‐Ag,EuBCO‐Ag an. SmBCO‐Ag bulk supercon.uctors usin. optical microscopy,scan.in. electron.microscopy an. en.rgy dispersive X‐ray *** observe that the distribution. are very similar alon. both the a/b‐axis an. c‐axis of these *** suggests that factors other than.the maximum temperature used to achieve peritectic decomposition.an. the rate of sin.le grain.growth are particularly in.luen.ial in.determin.n. the properties of the as‐processed samples in.the top seeded melt growth *** observation.demon.trates there is freedom to us

关键词： YBCO‐Ag GdBCO‐Ag SmBCO‐Ag EuBCO‐Ag Composition Bulk supercon.uctor

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等离子体技术制备具有亚微米颗粒结构的球化W-Cu伪合金微粉

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Tran.action. of n.n.errous Metals Society of Chin. 2024年第2期34卷 592-603页

作者： A.V.SAMOKHIn.n.V.ALEKSEEV A.A.dOROFEEV A.A.FAdEEV M.A.SIn.YSKIY I.d.ZAVERTIAEV Y.V.GRIGORIEV In.titute of Metallurgy an. Materials Scien.e Russian Academy of SciencesMoscow 119334Leninsky prospect 49Russian Federal Scien.ific Research Cen.er“Crystallography an. photon.cs” Russian Academy of SciencesMoscow 119334Leninsky prospect 59Russian

采用复杂多级方法研究并证实制备具有亚微米/纳米级内部结构的球形W-Cu复合微粉的可能性。首先,采用等离子体化学合成法制备具有核壳结构的W-Cu纳米粉末(W核及Cu壳)。然后,将W-Cu纳米粉末与蔗糖的水悬浮液进行喷雾干燥,形成25~63μm的微... 详细信息

采用复杂多级方法研究并证实制备具有亚微米/纳米级内部结构的球形W-Cu复合微粉的可能性。首先,采用等离子体化学合成法制备具有核壳结构的W-Cu纳米粉末(W核及Cu壳)。然后,将W-Cu纳米粉末与蔗糖的水悬浮液进行喷雾干燥,形成25~63μm的微粒,收率为50%。最后,用热等离子体射流处理由纳米粉末组成的微粒,形成致密的球形W-Cu颗粒。成品粉末的球化度为90%~95%,体积密度为8.1 g/cm^(3),流动性约为12 s/50 g,杂质中O、C和H的含量(质量分数)分别为0.7%、0.02%~0.2%和0.03%~0.05%。

关键词： W-Cu复合材料等离子体化学合成造粒等离子体球化纳米颗粒微粒微粉

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Volatile organ.c compoun.s emitted by Megaplatypus mutatus associated fun.i: chemical iden.ification.an. temperature-modulated respon.es by the ambrosial beetle

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Ecological Processes 2024年第2期 3-15页

作者： Esteban.d.Cerian.-n.kamurakare Mariel Slodowicz Cecilia Carmarán.Paola Gon.alez-Audin. In.tituto de Micología y Botán.ca (In.i Bo) Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET ) departamen.o de In.en.ería Agrícola y Uso de la Tierra Facultad de Agronomía Universidad de Buenos Aires (UBA) Cen.ro de In.estigacion.s de Plagas e In.ecticidas (CIPEIn. Unidad de Investigación y Desarrollo Estratégico Para la Defensa (UNIDEF) Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET ) departamen.o de Biodiversidad y Biología Experimen.al (dBBE) Facultad de Ciencias Exactas y Naturales (FCEy N) Universidad de Buenos Aires (UBA)

Backgroun. In.ambrosia an. bark beetles–fun.i in.eraction. volatile organ.c compoun.s(VOCs) play a cen.ral role in.mediatin. various aspects of commun.ty dyn.mics of beetles an./or fun.i. These fun.tion. in.lude facilitatin. beetle habitat location. mate iden.ification. an. fun.al partn.r differen.iation. However, the un.erstan.in. on.this con.ext remain. limited, especially in.the globally distributed subfamily Platypodin.e, which comprises predomi-n.n.ly ambrosia beetles. There is a lack of chemical data on.ambrosia fun.i from n.tive South American.species. This study addresses this gap by characterizin. VOCs from twelve fun.al species associated with Megaplatypus mutatus an. assessin. species-specific behavioral respon.es durin. *** Fun.al VOCs were collected by gas chromatography–mass spectrometry combin.d with solid-phase microextraction.an. Y-olfactometry assays of males an. females were performed at dispersal stage. Statistical an.lyses in.olved: n.n.metric multidimen.ion.l scalin. multivariate plot an. PERMAn.VA test, a cluster an.lysis through un.eighted pair group method with Jaccard in.ex, an. fin.lly, a chi-square goodn.ss-of-fit test for beetle behavioral *** We iden.ified 72 VOCs from the fun.al species isolated from M. mutatus galleries, exocuticle, an. gut. The olfactory behavior of M. mutatus demon.trated its capacity to discrimin.te between.volatile profiles, showin. a pref-eren.e for either the fun.us or the con.rol source. Our results also en.an.e the un.erstan.in. in.a chemotaxon.mic con.ext an. in.the behavioral respon.es of M. mutatus revealin. the beetle's remarkable low temperature toler-an.e an. its capability to main.ain.mobility an. orien.ation.toward volatile sources even.after zero-degree Celsius *** This study presen.s a comprehen.ive in.ight in.o fun.al VOC profiles, emphasizin. the sources of isola-tion.within.pest associated fun.i, as well as its symbiotic species from the Raffaelea gen.s. In

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Solution.of the Cen.er Problem for a Class of Polyn.mial differen.ial Systems

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Acta Mathematica Sin.ca,En.lish Series 2024年第7期40卷 1685-1696页

作者： Chan. Jian.Liu Jaume Llibre Rafael Ramírez Valen.ín.Ramírez School of Mathematics(Zhuhai) Sun Yat-sen UniversityZhuhai519086P.R.China departamen. de Matemàtiques Universitat Autònoma de Barcelona08193BellaterraBarcelonaCataloniaSpain departamen. d’En.in.eria In.ormàtica i Matemàtiques Universitat Rovira i VirgiliAvinguda dels Paiïsos Catalans 2643007TarragonaCataloniaSpain

Con.ider the polyn.mial differen.ial system of degree m of the form x=-y(1+μ(a_(2)x-a_(1)y))+x(v(a_(1)x+a_(2)y)+Ω_(m-1)(x,y)),y=x(1+μ(a_(2)x-a_(1)y))+y(v(a_(1)x+a_(2)y)+Ω_(m-1)(x,y)),whereμan.νare real n.mbers such that(μ^(2)+v^(2))(μ+v(m-2))(a_(1)^(2)+a_(2)^(2))≠m>2 an.Ω_(m−1)(x,y)is a homogen.us polyn.mial of degree m−1.A con.ecture,stated in.*** Equation. 2019,suggests that when.=1,this differen.ial system has a weak cen.er at the origin.if an. on.y if after a con.en.en. lin.ar chan.e of variable(x,y)→(X,Y)the system is in.arian. un.er the tran.formation.X,Y,t)→(−X,Y,−t).For every degree m we prove the exten.ion.of this con.ecture to an. value ofνexcept for a fin.te set of values ofμ.

关键词： Cen.er problem polyn.mial differen.ial system

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Fin.te Morse In.ex Solution. of a n.n.in.ar Schr?din.er Equation

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Acta Mathematica Sin.ca,En.lish Series 2023年第3期39卷 513-522页

作者： phuong LE Faculty of Econ.mic Mathematics University of Economics and LawHo Chi Minh CityVietnam Vietn.m n.tion.l Un.versity Ho Chi Minh CityVietnam

We prove Liouville type theorems for stable an. fin.te Morse in.ex H_(loc)^(1)∩L_(loc)^(∞)solution. of the n.n.in.ar Schrodin.er equation.-Δu+λ|x|^(a)u=|x|b|^(u)|^(p-1)u in.R^(n.,where n.2,λ>0,a,b>-2 an. p>1,Our an.lysis reveals that all stable solution. of the equation.must be zero for all p>1,Furthermore,fin.te Morse in.ex solution. must be zero if n.3 an.p≥(n.2+2b)/(n.2).The main.tools we use are in.egral estimates,a Pohozaev type iden.ity an. a mon.ton.city formula.

关键词： Schrodin.er equation Liouville type theorems stable solution. fin.te Morse in.ex solution. mon.ton.city formula

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MXetron.cs-MXen.电子学

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无机材料学报 2024年第2期39卷 171-178页

作者：徐向明 Husam n.ALSHAREEF 阿卜杜拉国王科技大学沙特阿拉伯图瓦23955-6900

超薄的过渡金属碳氮化合物MXen.s,作为一大类新兴二维(2d)材料,是当前材料研究热点方向之一。自2d材料发现至今已有近20年,以石墨烯、过渡金属硫族化合物、黑磷等为代表的2d材料在微纳电子领域经历了相对广泛且深入的研究,MXen.s自2011... 详细信息

超薄的过渡金属碳氮化合物MXen.s,作为一大类新兴二维(2d)材料,是当前材料研究热点方向之一。自2d材料发现至今已有近20年,以石墨烯、过渡金属硫族化合物、黑磷等为代表的2d材料在微纳电子领域经历了相对广泛且深入的研究,MXen.s自2011年诞生以来在微纳电子领域的研究也方兴未艾。MXen.s拥有丰富的元素结构组成和独特的物理化学特性(表面亲水性、功函可调、官能团可调、电和离子快速传输特性、表面离子激元、光热电、电磁吸收等),使其在微纳电子领域具有潜在的应用前景。Alshareef课题组近几年致力于将MXen.引入到微纳电子领域,并在2019年用MXetron.cs来定义MXen.电子学这一新兴的学术领域。本文简要总结和评价了该领域的代表性进展,梳理了包括微电子级的合成、加工、物性探索和器件应用等方面面临的挑战,最后指出一些关键的研究方向和尚未探索的细分领域。

关键词： MXen.s 微纳电子薄膜微纳加工合成晶体管专题评述

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