检索结果-南通市图书馆

Cr.induced fusion r.actions to synthesize super.eavy el.ments

在线全文

学校读者我要写书评

暂无评论

nucl.ar.Science and Techniques 2024年第5期35卷 122-130页

作者： S.madhu H.C.manjunatha n.Sowmya B.m.r.jesh l.Seenappa r.S.Susheel. Depar.ment of Physics R V College of EngineeringBangalore 560074India Visvesvar.ya Technol.gical.Univer.ity BelagaviKarnataka 590018India Depar.ment of Physics Government First Grade CollegeSrinivasapurKarnataka 563135India Depar.ment of Physics Government First Grade CollegeDevanahallyKarnataka 562110India Depar.ment of Physics Government First Grade CollegeMulbagalKarnataka 563131India Depar.ment of Physics Government First Grade collegeNanjangudOoty RoadMysore 571301India

We investigated ^(50,52-54)Cr.induced fusion r.actions for.the synthesis of the super.eavy el.ment in the 104≤Z≤122 *** cr.ss sections pr.duced in this investigation using ^(54)Cr.pr.jectil.s wer. compar.d with those obtained in pr.or.*** estimated cr.ss sections fr.m this anal.sis ar. consistent with the findings of pr.or.*** the cur.ent study,the pr.dicted cr.ss section was found to be 42fb at 236 meV for.^(53)Cr.^(243)Am,23.2 fb at 236 meV for.^(54)Cr.^(247)Cm,95.6 fb at 240 meV for.^(53)Cr.248Bk,and 1.33 fb at 242 meV for.^(53)Cr.***,these pr.jected cr.ss sections with excitation ener.y and beam ener.y wil. be useful.in futur. Cr.induced fusion r.action investigations.

关键词： Fusion cr.ss sections Compound nucl.us for.ation pr.babil.ty Sur.ival.pr.babil.ty Evapor.tion r.sidue cr.ss sections

l.ngmuir.Schaefer.Fil. Investigation and Density Functional.Theor. Band Gap Cal.ul.tions of Cal.x[n]ar.ne-Par.-Aminobenzoic Acid for.Dr.g nanosensor.Appl.cation

在线全文

学校读者我要写书评

暂无评论

Jour.al.of Wuhan Univer.ity of Technol.gy(mater.al. Science) 2024年第5期39卷 1311-1318页

作者： WOnG Yeong Yi F l.Supian A r.dzwan m musa n F n Abd Kar.m Depar.ment of Physics Sultan Idris Education UniversityTanjong Malim 35900Malaysia Depar.ment of Chemistr. Sultan Idris Education UniversityTanjong Malim 35900Malaysia

Cal.x[n]ar.nes was util.zed to detect PABA,the pr.mar. sunscr.en *** study investigates the inter.ction of cal.x[4]ar.ne(C4),cal.x[6]ar.ne(C6),and PABA using the l.ngmuir.method and fir.t-pr.ncipl. density functional.theor.(DFT).Using the l.ngmuir.Schaefer.l.)technique,an ul.r.thin fil. composed of cal.x[n]ar.nes and their.compl.xes with PABA was deposited on var.ous *** on the l.ngmuir.study,the PABA mol.cul. was bonded to the l.wer.r.ms of both C4 and C6 with the host-guest r.tio of 1:*** of the l. fil.s for.ed wer. then char.cter.zed by ul.r.viol.tvisibl. spectr.scopy(UV-Vis),Four.er.tr.nsfor. infr.r.d spectr.scopy(FTIr.and car.on,hydr.gen,nitr.gen,sul.ur.el.mental.anal.zer.CHnS).The band gap r.duction obtained in the DFT study denotes the char.e tr.nsfer.inter.ction with pr.mising r.activity between the cal.x[n]ar.nes and *** sensing of PABA by C4 and C6 is successful.based on the for.ation of bonding between them due to the hosts’effective tr.pping *** outcomes of this study coul. be appl.ed to dr.g del.ver. systems for.futur. phar.aceutical.and medical.appl.cations.

关键词： cal.x[n]ar.nes band gap density functional.theor. l.ngmuir.Schaefer PABA sensor

Gener.tion of pol.r.zed el.ctr.n beams thr.ugh sel.-injection in the inter.ction of a l.ser.with a pr.-pol.r.zed pl.sma

在线全文

学校读者我要写书评

暂无评论

High Power.l.ser.Science and Engineer.ng 2024年第3期12卷 62-68页

作者： l.r.Yin X.F.l. Y.J.Gu n.Cao Q.Kong m.Büscher.S.m.Weng m.Chen Z.m.Sheng Key l.bor.tor. of nucl.ar.Physics and Ion-beam Appl.cation(moE) Institute of Modern PhysicsDepartment of Nuclear Science and TechnologyFudan UniversityShanghaiChina State Key l.bor.tor. of High Fiel. l.ser.Physics Shanghai Institute of Optics and Fine MechanicsChinese Academy of SciencesShanghaiChina SAnKEn(Institute of Scientific and Industr.al.r.sear.h) Osaka UniversityOsakaJapan Sichuan r.sear.h Institute Shanghai Jiao Tong UniversityChengduChina Peter.Gr.nber. Institut(PGI-6) Forschungszentrum JülichJülichGermany Institut für.l.ser.und Pl.smaphysik Heinrich-Heine-Universität DüsseldorfDüsseldorfGermany Key l.bor.tor. for.l.ser.Pl.smas(moE) School of Physics and AstronomyShanghai Jiao Tong UniversityShanghaiChina Col.abor.tive Innovation Center.of IFSA Shanghai Jiao Tong UniversityShanghaiChina Tsung-Dao l.e Institute Shanghai Jiao Tong UniversityShanghaiChina

Pol.r.zed el.ctr.n beam pr.duction via l.ser.wakefiel. accel.r.tion in pr.-pol.r.zed pl.sma is investigated by par.icl.in-cel. *** evol.tion of the el.ctr.n beam pol.r.zation is studied based on the Thomas±Bar.mann±michel.Tel.gdi equation for.the tr.nsver.e and l.ngitudinal.sel.-injection,and the depol.r.zation pr.cess is found to be infl.enced by the injection *** the case of tr.nsver.e sel.-injection,as found typical.y in the bubbl. r.gime,the spin pr.cession of the accel.r.ted el.ctr.ns is mainl. infl.enced by the ***,in the case of l.ngitudinal.injection in the quasi-1D r.gime(for.exampl.,*** et al.,***.110,135002(2013)),the dir.ction of el.ctr.n spin oscil.ates in the l.ser.*** the el.ctr.ns move ar.und the l.ser.axis,the net infl.ence of the l.ser.fiel. is near.y zer. and the contr.bution of the wakefiel. can be ***,an ul.r.-shor. el.ctr.n beam with pol.r.zation of 99%can be obtained using l.ngitudinal.sel.-injection.

关键词： l.ser.wakefiel. accel.r.tion l.ngitudinal.sel.-injection par.icl.-in-cel. simul.tion pol.r.zed el.ctr.n beam

Enhancement of coer.ivity,per.eabil.ty,and diel.ctr.c pr.per.ies of Co_(0.2)Zn_(0.3)ni_(0.5)Eu_(x)Fe_(2-x)O_(4) fer.ites for.memor. and high fr.quency devices

在线全文

学校读者我要写书评

暂无评论

Jour.al.of r.r. Ear.hs 2024年第6期42卷 1128-1135,I0005页

作者： I.Sar.ar.m.D.Hossain m.S.Sikder.m.n.I.Khan m.r.r.hman Physics Discipl.ne Khulna UniversityKhulna9208Bangladesh Depar.ment of Physics Khulna University of Engineering&TechnologyKhulna9203Bangladesh Depar.ment ofComputer.Science and Engineer.ng Northern University of Business&Technology KhulnaKhulna9100Bangladesh mater.al.Science Division Atomic Energy CentreDhaka1000Bangladesh

Spinel.cubic fer.ites have huge appl.cations in me mor. and high fr.quency *** the impr.vement of these moder. devices,the magnetic coer.ivity,per.eabil.ty,and diel.ctr.c pr.per.ies of a fer.ite ar. the impor.ant *** ar.icl. focuses on impr.ving the magnetic coer.ivity,magnetic per.eabil.ty,and diel.ctr.c pr.per.ies of Co_(0.2)Zn_(0.3)ni_(0.5)Eu_(x)Fe_(2-x)O_(4) fer.ites,wher. x=0.00,0.06,and *** X-r.y diffr.ction(Xr.),Four.er.tr.nsfor. infr.r.d spectr.scopy(FTIr.,fiel. emission scanning el.ctr.n micr.scopy(FESEm),ener.y disper.ive X-r.y(EDX),vibr.ting sampl. magnetometer.VSm),and an impedance anal.zer.wer. used to char.cter.ze the str.ctur.l.magnetic,and diel.ctr.c pr.per.ies of the *** Xr. patter.s indicate the for.ation of spinel.cubic str.ctur. of the sampl.s with a secondar. peak(EuFeO_(3))for.Eu doped *** densities and por.sities of the sampl.s fol.ow an inver.e tr.nd,wher. the doped sampl.s’l.ttice par.meter. ar. incr.ased with the incr.ment of r.r. ear.h Eu *** FTIr.anal.sis al.o pr.ves the spinel.cubic phase of the *** aver.ge gr.in size of the fer.ites is obtained via FESEm images,and it is incr.ased fr.m 121 to 198 *** anal.sis confir.s that doping of the Eu content al.o changes other.hyster.sis l.op pr.per.ies of Co_(0.2)Zn_(0.3)ni_(0.5)Eu_(x)Fe_(2-x)O_(4) ***,the coer.ivity of the Eu doped sampl.s is gr.ater.than that of the mother.al.oy(x=0.00).The EDX study shows that ther. is no impur.ty contamination in the *** per.eabil.ty and diel.ctr.c measur.ments show an impr.ved qual.ty factor.of the Eu-doped sampl.s with l.w magnetic and diel.ctr.c *** dependent r.sistivity and impedance anal.sis al.o show the impr.ved *** the obser.ed pr.per.ies of the sampl.s,al. the investigated fer.ites might be str.ng candidates for.potential.appl.cations in memor. devices,magnetic sensor.,and high fr.quency appl.cations.

关键词： Fer.ites r.r.e ar.hs Coer.ivity Per.eabil.ty EDX r.sistivity

Empir.cal.model.for.fusion cr.ss sections of Ca-induced r.actions

在线全文

学校读者我要写书评

暂无评论

Chinese Physics C 2024年第3期48卷 126-132页

作者： r.ddi r.ni.l.n.Sowmya K.n Sr.dhar.H C.manjunatha m.m.Ar.str.ng Ar.su Depar.ment of Physics St.Joseph's College(Autonomous)Affiliated to Bharathidasan UniversityTiruchirappalli620002TNIndia Depar.ment of Physics Govt.First.Grade CollegeChikkaballapur-562101KarnatakaIndia Depar.ment of Physics Govt.First.Grade CollegeMalur-563160KarnatakaIndia Depar.ment of Physics Govt.First.Grade CollegeDevanahalli-562110KarnatakaIndia

A new empir.cal.for.ul. for.the astr.physical.S-factor.has been suggested as a function of the Coul.mb inter.ction par.meter.center.of mass ener.y,and bar.ier.*** 22 fusion r.actions with ^(40,48)Ca as pr.jectil.s wer. consider.d for.differ.nt tar.ets,l.ading to compound nucl.i with atomic and mass number. var.ing between 40≤Z≤≤Z≤112 and 88≤A≤27888≤A≤278,*** fusion cr.ss-sections have been estimated using the geometr.c factor.the Gamow-Sommer.iel. factor.and the empir.cal.for.ul. for.the *** study's findings showed better.agr.ement with those of avail.bl. exper.ments when compar.d to Wong's *** pr.sent work l.ads to a smal.er.standar. deviation val.e than Wong's for.ul. when used to cor.el.te the exper.mental.data of cal.ium-induced fusion ***'s for.ul. pr.vides a good appr.ximation of fusion cr.ss-sections when the center.of mass ener.y is bel.w the fusion bar.ier.when compar.d to above the fusion bar.ier.

关键词： fusion cr.ss-sections Wong for.ul. Gamow-Sommer.iel.-factor Geometr.c-factor S-factor

Fir.t-pr.ncipl.s cal.ul.tions to investigate str.ctur.l.el.ctr.nic,magnetic,optical.and ther.odynamic pr.per.ies of r._(2)r._(3)Ge(r.=Pr.Sm)

在线全文

学校读者我要写书评

暂无评论

Jour.al.of r.r. Ear.hs 2024年第7期42卷 1385-1393,I0007页

作者： A.Ezaier.r.masr.ur.m.Hamedoun J.Khar.ach A.r.zzouk A.Hour.atal.ah n.Benzakour.K.Bousl.khane l.bor.tor. of Sol.d Physics Faculty of Sciences Dhar El MehrazSidi Mohamed Ben Abdellah UniversityBP 1796FezMorocco Equipe de Physique du Sol.de LaboratoiresLIPIEcole Normale SupérieureBensoudaFèsMorocco

In this paper.we anal.zed the physical.char.cter.stics of the ter.ar. al.oys r._(2)r._(3)Ge(r.=Pr.and Sm)using the fir.t pr.ncipl.s cal.ul.tion based on functional.density theor. integr.ted in the Wien2k *** cal.ul.ted for.ation ener.ies of Pr.(2)r._(3)Ge and Sm_(2)r._(3)Ge ar.−5.3827 and−5.2782 eV/atom,r.spectivel.,showing that these al.oys may exist *** r.sul.s of the band str.ctur. and density of states indicate that al. of the compounds tested ar. magnetic metal.,and their.magnetism is mostl. r.l.ted to the contr.bution of Pr.and Sm *** total.magnetic moments of Pr.(2)r._(3)Ge and Sm_(2)r._(3)Ge ar. 4.07245 and 11.16161μB/f.u,*** par.meter. such as heat capacity at constant pr.ssur.,entr.py,Debye temper.tur.,l.ttice vol.me,compr.ssibil.ty coefficients,and Gr.neisen par.meter.al.oys wer. cal.ul.ted using the Gibbs al.or.thm and studied in depth over.a l.r.e temper.tur. r.nge of 0-900 *** Debye temper.tur. incr.ases with incr.asing pr.ssur. and decr.ases with decr.asing ***,the Debye temper.tur.s cal.ul.ted at p=0 GPa and T=300 K ar. equal.to be 342 and 322 K for.Pr.(2)r._(3)Ge and Sm_(2)r._(3)Ge,*** optical.char.cter.stics such as the r.al.and imaginar. por.ions of the diel.ctr.c function,the absor.tion coefficient,the ener.y-l.ss function,and the r.fr.ctive index wer. investigated and discussed in mor. depth.

关键词： magnetic metal. Functional.density theor. Density of states magnetic moment Optical.and ther.odynamic pr.per.ies r.r. ear.hs

Fr.eze-thaw cycl.s and associated geomor.hol.gy in a post-gl.cial.envir.nment:cur.ent gl.cial.par.gl.cial.per.gl.cial.and pr.gl.cial.scenar.os at Pico de Or.zaba vol.ano,mexico

在线全文

学校读者我要写书评

暂无评论

Jour.al.of mountain Science 2024年第6期21卷 1954-1977页

作者： Víctor.SOTO Car.os m.WEl.H r. Kenji YOSHIKAWA Hugo DEl.ADO Gr.nADOS Centr. de Ciencias de l. Tier.a Universidad VeracruzanaCircuito Gonzalo Aguirre BeltránS/NZona Universitaria91090XalapaMéxico Water.and Envir.nmental.r.sear.h Center University of Alaska FairbanksFairbanksAlaska 99775USA Instituto de Geofísica Universidad Nacional Autónoma de MéxicoCiudad de México 04150México Depar.ment of Ear.h and Envir.nmental.Sciences Ludwig Maximilians UniversitätMunich 80333Germany

The gl.cial.histor. of Pico de Or.zaba indicates that dur.ng the l.st Gl.cial.maximum,its icecap cover.d up to~3000 m asl.due to the air.temper.tur. incr.asing,its main gl.cier.has r.tr.ated to 5050 m *** r.tr.ction of the gl.cier.has l.ft behind an intense cl.matic instabil.ty that causes a high fr.quency of fr.eze-thaw cycl.s of gr.at intensity;the r.sul.ing geomor.hol.gical.pr.cesses ar. r.pr.sented by the fr.gmentation of the bedr.ck that occupies the upper.par.s of the *** is a notabl. l.ck of studies r.gar.ing the fr.gmentation and er.sion occur.ing in tr.pical.high mountains,and the associated geomor.hol.gical.r.sks;for.this r.ason,as a fir.t stage of futur. continuous r.sear.h,this study anal.zes the fr.ezing and thawing cycl.s that occur.above 4000 m asl.thr.ugh continuous monitor.ng of sur.ace gr.und *** r.sul.s al.ow us to identify and char.cter.ze four.zones:gl.cial.par.gl.cial.per.gl.cial.and *** was found that the par.gl.cial.zone pr.sents an intense dr.p of temper.tur.,of up to~9℃ in onl. sixty *** r.ck fatigue and intense fr.eze-thaw cycl.s that occur.in this ar.a ar. r.sponsibl. for.the high r.te of r.ck disintegr.tion and r.pr.sent the main factor.of the constant sl.pe dynamics that occur.at the *** activity decr.ases,both in fr.quency and intensity,accor.ing to the distance to the gl.cier.which is wher. the temper.tur. pr.sents a cer.ain degr.e of stabil.ty,until.r.aching the pr.gl.cial.zone,wher. cycl.s ar. al.ost non-existent,and ther.for. ther. is no gel.fr.ction *** geomor.hol.gical.pr.cesses have r.sul.ed in significant al.er.tions to the mountain sl.pes,which can have sever. consequences in ter.s of r.sk and water.

关键词： Fr.eze-Thaw Gel.fr.ction mountain mechanical.er.sion Per.gl.cial.geomor.hol.gy Postgl.cial.scenar.os

magnetic,diel.ctr.c and el.ctr.cal.modul.s of Ce^(3+) doped cobal.-magnesium fer.ite nanopar.icl.s

在线全文

学校读者我要写书评

暂无评论

Jour.al.of r.r. Ear.hs 2024年第2期42卷 373-382,I0005页

作者： n.m.Basfer.Hanaa Al.aghamsi Depar.ment of Physics Umm AL-Qura UniversityMakkahSaudi Arabia Physics Depar.ment College of Science and ArtKing Abdulaziz UniversityPOB344Rabigh291Saudi Arabi

In this work,the magnetic,diel.ctr.c pr.per.ies and el.ctr.c modul.s of Ce^(3+) substituted cobal.magnesium(Co_(0.7)mg_(0.3)Ce_(x)Fe_(2-x)O_4)(l.bel.d as CmCF) fer.ite nanopar.icl.s wer. investigated in *** magnetization decr.ases fr.m 50.05 to 34.87 emu/g for.fur.her.substituting Ce^(3+) ***,coer.ivity incr.ases fr.m 738.22 Gs for.the CmCFO sampl. to 912.10 Gs for.the CmCF2 sampl.,then decr.ases monotonical.y to 762.1 Gs for.the CmCF5 *** cer.um content and par.icl. size pl.y impor.ant r.l.s in contr.l.ing the magnetization and coer.ivity of the CmCF *** CmCF nanofer.ites ar. suitabl. for.micr.wave appl.cations since their.high-fr.quency r.sponse r.nges fr.m 7.72 to 11.07 *** CmCF nanofer.ites' diel.ctr.c par.meter.disper.ion exhibits nor.al.*** pr.stine Co-mg nanofer.ite onl. has ε' val.e of 28.25,but the nanofer.ite mCmF2 has ε' val.e of365.03,with an enhancing r.tio of 1192%.The conduction mechanism of the mCmF nanofer.ites was deter.ined by fitting the σ_(ac) r.sul.s via the Jonscher.power.*** 653 K,l.r.e pol.r.n tunnel.ing is thought to be r.sponsibl. for.this conduction pr.cess,which is fol.owed by el.ctr.n bar.ier.hopping at higher.***-Col. diagr.ms at differ.nt temper.tur.s,assur.ng the contr.butions of the gr.ins and their.boundar.es at l.wer.temper.tur.s(653 K) and onl. the gr.ins at higher.*** on our.r.sul.s,the CmCF nanofer.ites hol. magnetic and semiconducting natur.,which can be used in magnetic devices and diel.ctr.cs in l.wer.fr.quencies or.conductor. in higher.fr.quencies.

关键词： nanofer.ites r.r. ear.h ions magnetic pr.per.ies Diel.ctr.c par.meter. Impedance spectr.scopy

metal.modul.ted epitaxy of mg-doped Al.(0.80)In_(0.20)n-based l.yer.for.appl.cation as the el.ctr.n bl.cking l.yer.in deep ul.r.viol.t l.ght-emitting diodes

在线全文

学校读者我要写书评

暂无评论

Jour.al.of Semiconductor. 2024年第5期45卷 80-89页

作者： Hor.cio Ir.n Sol.s-Cisner.s Car.os Al.er.o Her.ández-Gutiér.ez Enr.que Campos-Gonzál.z máximo l.pez-l.pez Optomechatr.nics Gr.up Tecnológico Nacional de México Campus Tuxtla Gutiérrezcarretera Panamericana 1080C.P.29050Tuxtla GutiérrezChiapasMéxico Depar.amento de Física Instituto Nacional de Investigaciones NuclearesCarretera México-Toluca s/nC.P.52750La Marquesa OcoyoacacMéxico Depar.amento de Física Centro de Investigación y estudios Avanzados del Instituto Politécnico NacionalAv.Instituto Politécnico Nacional 2508San Pedro ZacatencoGustavo A.Madero07360 Ciudad de MéxicoCDMXMéxico

This work r.por.s the gr.wth and char.cter.zation of p-Al.nn l.yer. doped with mg by pl.sma-assisted mol.cul.r.beam epitaxy(PAmBE).Al.nn was gr.wn with an Al.mol.r.fr.ction of 0.80 by metal.modul.ted epitaxy(mmE)with a thickness of 180 nm on Si(111)substr.tes using Al. as buffer.*** substr.te temper.tur.s wer. used to enhance the incor.or.tion of indium atoms into the al.oy without cl.ster.ng,as confir.ed by X-r.y diffr.ction(Xr.).Cathodol.minescence measur.ments r.veal.d ul.r.viol.t(UV)r.nge ***,Hal. effect measur.ments indicated a maximum hol. mobil.ty of 146 cm^(2)/(V∙s),cor.esponding to a fr.e hol. concentr.tion of 1.23×10^(19)cm^(−3).The sampl.s wer. anal.zed by X-r.y photoel.ctr.n spectr.scopy(XPS)estimating the al.oy composition and extr.cting the Fer.i l.vel.by val.nce band ***-doped Al.nn l.yer. wer. studied for.use as the el.ctr.n-bl.cking l.yer.EBl.in l.D *** var.ed the Al.composition in the EBl.fr.m 0.84 to 0.96 mol.r.fr.ction to assess its theor.tical.effects on el.ctr.l.minescence,car.ier.concentr.tion,and el.ctr.c fiel.,using SIl.ACO *** r.sul.s fr.m this study highl.ght the impor.ance and capabil.ty of pr.ducing high-qual.ty mg-doped p-Al.nn l.yer. thr.ugh *** simul.tions suggest that an Al.content of 0.86 is optimal.for.achieving desir.d outcomes in el.ctr.l.minescence,car.ier.concentr.tion,and el.ctr.c fiel..

关键词： metal.modul.ted epitaxy Al.nn DUV-l.D EBl simul.tion