简介：Thisstudyconcernsatwo-dimensionalmodelandthecorrespondingvirtualcrackclosuretechnique(VCCT)implementedtosolvethegeneralboundaryvalueproblemsthatmayexplainwhyinterfacediscontinuityhaseffectsonthefracturebehaviorinthesuperconductor-substratesystem.Theinterfacialdiscontinuitycanbeclassifiedaccordingtothematerialproperties'continuityandtheirderivatives'continuityattheinterface.Fornonhomogeneoussuperconductorandsubstratespecimenswithvariousmaterialproperties,aVCCTmethodisdevelopedtocalculatetheirfracturebehavior.Furthermore,theeffectsofappliedmagneticfieldamplitudeandnonhomogeneousparametersareextensivelyandparametricallystudiedintwoactivationprocesses(zero-fieldcoolingandfieldcooling).Theintegrativeandcomputationalstudypresentedhereprovideafundamentalmechanisticunderstandingofthefracturemechanisminthesuperconductor-substratesystemandshedslightontherationaldesignofinterfacialcontinuity.

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简介：在这篇论文，超导的顺序参数和Bogoliubov刺激的精力光谱为铁磁性的超导体(FS)从Bogoliubov-deGennes(BdG)方程被获得。考虑散布效果的不平的接口，我们计算射击噪音和正常金属的绝缘体的微分传导力铁磁性的超导体连接。在FS的交换精力E_h能导致微分射击噪音山峰和传导力山峰切开，这被显示出。二座切开的山峰之间的精力差别等于2E_h。散布力量的不平的接口导致传导力山峰和射击noise-to-current比率的降下，但是增加射击噪音。

简介：底层的wettability和粗糙在无柄的微滴的蒸发对接触角度和三阶段的接触线的进化关键。在这份报纸，由在nanoscale为微滴蒸发执行分子的动力学模拟，我们证明wettability比粗糙更重要。为光滑的底层，nanodroplet的蒸发行为在宏观的规模类似于那。这类似也在不平的吸水的底层的情况中被观察。为不平的恐水病的底层，然而，卡住的经常的接触角度和接触线在蒸发期间接着出现。这建议恐水病的底层的粗糙为蒸发技术在是有用的在nanoscale自己组装。

简介：Consideringthatinamagneticresonancesystem,ifthedetectioncoilcontributesdominantlytothesystemnoise,theperformanceofthewholesystemcancertainlybeimprovedbyswitchingtoadetectioncoilmadeofahigh-temperaturesuperconductor,andusingYBa2Cu3O7thinfilmson25×25mm^2LaAlO3substrates,wehavepreparedtwokindsofdetectioncoils:single-coilandtwo-coil.encouragingly,theirqualityfactorsaremeasuredtobeQ>2500fortwo-coil(at22.566MHzand77K)andQ>5500forsingle-coil(at92.3MHzand77K),respectively,Here,wedescribethedetailsofthedesign,fabricationandtestingofthecoils.

简介：Thenovelideathatspin-orbitcoupling(SOC)andans-wavepairingsystemcanleadtoinducedpwavepairingwithastrongmagneticlimit,hasstimulatedwidespreadinterestinsearchingforMajoranafermions(MFs)insemiconductor-superconductorhybridstructures.However,despitemajoradvancesinthesemiconductornanotechnology,thissystemhasseveralinherentlimitationsthatprohibittherealizationandidentificationofMFs.Weovercometheselimitationsbyreplacingthes-wavesuperconductorwiththetype-IIFulde-Ferrell(FF)superconductor,inwhichthecenter-of-massmomentumoftheCooperpairrenormalizesthein-planeZeemanfieldandchemicalpotential.Asaresult,MFscanberealizedinsemiconductornanowireswithsmallvaluesoftheLandég-factorandhighcarrierdensities.TheSOCstrengthdirectlyinfluencesthetopologicalboundary;thus,thetopologicalphasetransitionandassociatedMFscanbeengineeredbyanexternalelectricfield.Theoretically,almostallsemiconductornanowirescanbeusedtorealizeMFsbyusingtheFFsuperconductor.However,wefindthatInPnanowireismoresuitablefortherealizationofMFscomparedtoInAsandInSbnanowires.Thus,thisnewschemecantakefulladvantageofthesemiconductornanotechnologyfortherealizationofMFsinsemiconductor-superconductorhybridstructures.

简介：ThetunnelingspectrumofanelectronandaholeinasuperlattieeofNSjunctionsiscomputedusingtheBTKapproachandthetransfermatrixmethod.Itshowssharpresonancesatsomeenergiesabovethesuperconductinggap.Thesharpertheresonanceisthemorelayersthesuperlatticehas.Wefindforthefirsttimeamechanismtobalancetheincidentandoutgoingcurrentsonthesuperlatticebyaveragingoverthephasebetweentheincidentelectronandtheincidenthole.Thismechanismismorenaturalandphysicalthanthoseinliteratures.

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简介：Moleculardynamics(MD)simulationsareperformedtostudyadhesionandpeelingofashortfragmentofsinglestrandDNA(ssDNA)moleculefromagraphitesurface.Thecriticalpeel-offforceisfoundtodependonboththepeelingangleandtheelasticityofssDNA.FortheshortssDNAstrandunderinvestigation,weshowthatthesimulationresultscanbeexplainedbyacontinuummodelofanadhesiveelasticbandonsubstrate.Theanalysissuggeststhatitisoftenthepeakvalue,ratherthanthemeanvalue,ofadhesionenergywhichdeterminesthepeelingofananoscalematerial.

简介：我们在场散布效果的杂质的系统的研究在超导体SrPt3P。用一固态反应方法，我们制作了做Pd的超导体Sr(磅1xPdx)3P.We发现剩余抵抗力0快速增加，Pd做，而剩余抵抗比率(RRR)显示戏剧的减小。另外，霍尔抵抗力xy的非线性的地依赖者行为和在低温度的霍尔系数RH的强壮的温度依赖被做的Pd压制。所有试验性的结果能被由做导致的杂质散布的增加解释。我们的结果建议磅位置对在现在的系统的搬运人传导很关键。

简介：Electronicsystemswithlargestretchabilityhavemanyapplications.Apreciselycontrolledbucklingstrategytoincreasethestretchabilityhasbeendemonstratedbycombininglithographicallypatternedsurfacebondingchemistryandabucklingprocess.Thebuckledgeometrywasassumedtohaveasinusoidalform,whichmayresultinerrorstodeterminethestrainsinthefilm.Atheoreticalmodelispresentedinthislettertostudythemechanicsofthistypeofthinfilm/substratesystembydiscardingtheass...

简介：最近的数字模拟显示了在cellsubstrate粘附期间聚类的integrin能被在房间膜和底层之间的排斥的层的存在驾驶(Paszek等，PLoSComputBiol5:12，2009)。这里我们在场在integrins之间的吸引力被膜和排斥的层的远程的有弹性的变丑在调停的这现象的一个简单力学模型。我们由采用在一个有弹性的基础上休息的一个无穷地扩大的盘子的小变丑理论获得分析答案到这个问题。

简介：Thinfilm/substratematerialsystemshavebeenwidelyusedinvariousindustriessuchasaerospace,automotive,marineandelectronics.Oneexampleisthermalbarriercoatings(TBCs):TBCsareextensivelyappliedtometalliccomponentsongasturbineenginesinordertoprotectthemfromhighandprolongedheatloads,andtheyplayanessentialroleintheaircraftindustry.Anotherexampleislaminatedpolymermatrixcomposites(PMCs),reinforcedwithfiberssuchascarbon,glassoraramid:Thesematerialshavebeenextensivelyemployedinavarietyofapplicationsduetotheirsuperiorpropertiesandtheimprovingeaseandcost-effectivenessoffabricatingthem.Theevaluationofmechanicalpropertiesforthinfilm/substratematerialsystemsisimperativeformoreefficientuseofthesematerialsystemsandfurtherimprovements.

简介：Wehaveinvestigatedthephysicalproperties,includingthemorphology,texture,adhesionandchemicalquality,ofhigh-frequencychemicalvapourdepositeddiamondcoatingsonWC-6%Cosubstrates,whichwerepre-treatedbyatwo-stepetchingmethod.TheresultsindicatethattheincreasingCocontentfrom0.12to3.05%withintheetchingdepthof5μmcausedamorphologytransformationfromprismdiamondtospheruliticdiamond,andatexturetransformationfroma{111}orientationtoa{110}orientation.TheRamanspectrumshowsthatthespheruliticdiamondfilmcontainsmorenon-diamondphases(graphite,amorphouscarbonanddiamond-likecarbon,etc)andhaslowerchemicalqualitythandiamondfilmsonaWC-6%Cosubstrate.Thediamondcoatinggrainsizesbecameaboutfourtimessmallerwhenthedepositiontemperaturesonthesubstratesurfacewerereducedfrom1000to900℃.Comparedwithspheruliticdiamondfilms,theprismdiamondfilmsexhibitbetteradhesionontheWC-6%Cosubstrate.

简介：Tetrahedralamorphoushydrogenatedcarbon(ta-C:H)filmsonSi(lO0)substrateswerepreparedbyusingamagnetic-field-filterplasmastreamdepositionsystem.Sampleswithdifferentratiosofsp^3-bondtosp^2-bondwereobtainedbychangingthebiasvoltageappliedtothesubstrates.Theellipsometricspectraofvariouscarbonfilmsinthephotonenergyrangeof1.9-5.4eVweremeasured.Therefractiveindexnandtherelativesp^3CratioofthesefilmswereobtainedbysimulatingtheirellipsometricspectrausingtheForouhi-BloomermodelandbyusingtheBruggemaneffectivemediumapproximation,respectively.Thehaemocompatibilityoftheseta-C:Hfilmswasanalysedbyobservationofplateletadhesionandmeasurementofkineticclottingtime.Theresultsshowthatthesp^3Cfractionisdependentonthesubstratebiasvoltage,andthehaemocompatibilityisdependentontheratioofsp^3-bondtosp^2-bond.Agoodhaemocompatibilitymaterialofta-C:Hfilmswithasuitablesp^3Cfractioncanbepreparedbychangingthesubstratebiasvoltage.

简介：Anewmethodforthedeterminationoftracecalciumbysolidsubstrate-roomtemperaturephosphorimetryisestablished.ItisbasedonthefactthatchromeazurolsazurolS-phenanthroline-NaCMC(CAS-phen-NaCMC)systemcanemitstrongandstableroomtemperaturephosphorescence(RTF)onthesolidsubstrateinthefilterpaper.Ca2+andphenanthrolinecanformcomplexionCa(phen)32+,whichwillformcomplex[Ca(phen)3(CAS)2]withCAS.Intheresult,thenumberofCASmoleculesineachspotincreased,causingsharpincreaseoftheRTPsignaloftheCAS-phen-NaCMCsystem.

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简介：WehaveexploitedagreenapproachtopreparelayeredtitanateNa2-xHxTi2O5·H2OnanosheetarraysonFTOsubstratebyhydrothermalhydrolysisoftitanium(IV)isopropoxide(TTIP)withaidsofNa2EDTAandTEOAasco-coordinationagents,whichwerethentreatedbyHNO3toreplaceNa+byH+,followedbyacalcinationat450℃totopotacticallytransformintoanataseTiO2nanosheetarrays.SEM,TEM,XRD,andRamanspectroscopyhavebeenemployedtocharacterizethenanosheetfilms.TheTiO2nanosheetarrayswerefurtherappliedaselectrontransportmaterialsofCH3NH3PbI3perovskitesolarcells,achievingpowerconversionefficiencyof6.99%.

简介：Afullsolutionoftwo-dimensionalNavier-Stokesandenergyequationwasconductednumericallytoanalyzethenaturalconvectionofthehorizontalstripwithanadiabaticsubstrate.Themainfeaturesofsuchconvectionare:(i)theleadingandtrailingedgeeffect,(ii)thenon-boundarylayereffect,and(iii)thesideedgeeffect.Theresultsarecomparedwiththeboundarylayertheoryandexprimentaldata.