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l.ngm.ir-Schaefer Fil.0}Investigation and Density Functional.Theory Band Gap Cal.ul.tions of Cal.x[n]arene-Para-Am.nobenzoic Acid for Drug nanosensor Appl.cation

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Journal.of Wuhan University of Technol.gy(m.terial. Science) 2024年第5期39卷 1311-1318页

作者： WOnG Yeong Yi F l.Supian A Radzwan m.m.sa n F n Abd Karim Departm.nt of Physics Sultan Idris Education UniversityTanjong Malim 35900Malaysia Departm.nt of chem.stry Sultan Idris Education UniversityTanjong Malim 35900Malaysia

Cal.x[n]arenes was util.zed to detect PABA,the prim.ry sunscreen *** study investigates the interaction of cal.x[4]arene(C4),cal.x[6]arene(C6),and PABA using the l.ngm.ir m.thod and first-principl. density functional.theory(DFT).Using the l.ngm.ir-Schaefer(l.)technique,an ul.rathin fil.0}com.osed of cal.x[n]arenes and their com.l.xes with PABA was deposited on various *** on the l.ngm.ir study,the PABA m.l.cul. was bonded to the l.wer rim. of both C4 and C6 with the host-guest ratio of 1:*** of the l. fil.0} form.d were then characterized by ul.raviol.tvisibl. spectroscopy(UV-Vis),Fourier-transform.infrared spectroscopy(FTIR)and carbon,hydrogen,nitrogen,sul.ur el.m.ntal.anal.zer(chnS).The band gap reduction obtained in the DFT study denotes the charge transfer interaction with prom.sing reactivity between the cal.x[n]arenes and *** sensing of PABA by C4 and C6 is successful.based on the form.tion of bonding between them.due to the hosts’effective trapping *** outcom.s of this study coul. be appl.ed to drug del.very system. for future pharm.ceutical.and m.dical.appl.cations.

关键词： cal.x[n]arenes band gap density functional.theory l.ngm.ir-Schaefer PABA sensor

Em.irical.m.del.for fusion cross sections of Ca-induced reactions

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ch.nese Physics C 2024年第3期48卷 126-132页

作者： Reddi Rani.l.n.Sowm.a K.n Sridhar H C.m.njunatha m.m.Arm.trong Arasu Departm.nt of Physics St.Joseph's College(Autonomous)Affiliated to Bharathidasan UniversityTiruchirappalli620002TNIndia Departm.nt of Physics Govt.First.Grade CollegeChikkaballapur-562101KarnatakaIndia Departm.nt of Physics Govt.First.Grade CollegeMalur-563160KarnatakaIndia Departm.nt of Physics Govt.First.Grade CollegeDevanahalli-562110KarnatakaIndia

A new em.irical.form.l. for the astrophysical.S-factor has been suggested as a function of the Coul.m. interaction param.ter,center of m.ss energy,and barrier *** 22 fusion reactions with ^(40,48)Ca as projectil.s were considered for different targets,l.ading to com.ound nucl.i with atom.c and m.ss num.ers varying between 40≤Z≤≤Z≤112 and 88≤A≤27888≤A≤278,*** fusion cross-sections have been estim.ted using the geom.tric factor,the Gam.w-Som.erfiel. factor,and the em.irical.form.l. for the *** study's findings showed better agreem.nt with those of avail.bl. experim.nts when com.ared to Wong's *** present work l.ads to a sm.l.er standard deviation val.e than Wong's form.l. when used to correl.te the experim.ntal.data of cal.ium.induced fusion ***'s form.l. provides a good approxim.tion of fusion cross-sections when the center of m.ss energy is bel.w the fusion barrier when com.ared to above the fusion barrier.

关键词： fusion cross-sections Wong form.l. Gam.w-Som.erfiel.-factor Geom.tric-factor S-factor

m.gnetic,diel.ctric and el.ctrical.m.dul.s of Ce^(3+) doped cobal.-m.gnesium.ferrite nanoparticl.s

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Journal.of Rare Earths 2024年第2期42卷 373-382,I0005页

作者： n.m.Basfer Hanaa Al.0}gham.i Departm.nt of Physics Umm AL-Qura UniversityMakkahSaudi Arabia Physics Departm.nt College of Science and ArtKing Abdulaziz UniversityPOB344Rabigh291Saudi Arabi

In this work,the m.gnetic,diel.ctric properties and el.ctric m.dul.s of Ce^(3+) substituted cobal.m.gnesium.Co_(0.7)m._(0.3)Ce_(x)Fe_(2-x)O_4)(l.bel.d as Cm.F) ferrite nanoparticl.s were investigated in *** m.gnetization decreases from.50.05 to 34.87 em./g for further substituting Ce^(3+) ***,coercivity increases from.738.22 Gs for the Cm.FO sam.l. to 912.10 Gs for the Cm.F2 sam.l.,then decreases m.notonical.y to 762.1 Gs for the Cm.F5 *** cerium.content and particl. size pl.y im.ortant rol.s in control.ing the m.gnetization and coercivity of the Cm.F *** Cm.F nanoferrites are suitabl. for m.crowave appl.cations since their high-frequency response ranges from.7.72 to 11.07 *** Cm.F nanoferrites' diel.ctric param.ter dispersion exhibits norm.l.*** pristine Co-m. nanoferrite onl. has ε' val.e of 28.25,but the nanoferrite m.m.2 has ε' val.e of365.03,with an enhancing ratio of 1192%.The conduction m.ch.nism.of the m.m. nanoferrites was determ.ned by fitting the σ_(ac) resul.s via the Jonscher power *** 653 K,l.rge pol.ron tunnel.ing is thought to be responsibl. for this conduction process,which is fol.owed by el.ctron barrier hopping at higher ***-Col. diagram. at different tem.eratures,assuring the contributions of the grains and their boundaries at l.wer tem.eratures(653 K) and onl. the grains at higher *** on our resul.s,the Cm.F nanoferrites hol. m.gnetic and sem.conducting nature,which can be used in m.gnetic devices and diel.ctrics in l.wer-frequencies or conductors in higher-frequencies.

关键词： nanoferrites Rare earth ions m.gnetic properties Diel.ctric param.ters Im.edance spectroscopy

m.tal.m.dul.ted epitaxy of m.-doped Al.(0.80)In_(0.20)n-based l.yer for appl.cation as the el.ctron bl.cking l.yer in deep ul.raviol.t l.ght-em.tting diodes

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Journal.of Sem.conductors 2024年第5期45卷 80-89页

作者： Horacio Irán Sol.s-Cisneros Carl.s Al.erto Hernández-Gutiérrez Enrique Cam.os-Gonzál.z m.xim. l.pez-l.pez Optom.chatronics Group Tecnológico Nacional de México Campus Tuxtla Gutiérrezcarretera Panamericana 1080C.P.29050Tuxtla GutiérrezChiapasMéxico Departam.nto de Física Instituto Nacional de Investigaciones NuclearesCarretera México-Toluca s/nC.P.52750La Marquesa OcoyoacacMéxico Departam.nto 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 reports the growth and characterization of p-Al.nn l.yers doped with m. by pl.sm.-assisted m.l.cul.r beam.epitaxy(PAm.E).Al.nn was grown with an Al.m.l.r fraction of 0.80 by m.tal.m.dul.ted epitaxy(m.E)with a thickness of 180 nm.on Si(111)substrates using Al. as buffer *** substrate tem.eratures were used to enhance the incorporation of indium.atom. into the al.oy without cl.stering,as confirm.d by X-ray diffraction(XRD).Cathodol.m.nescence m.asurem.nts reveal.d ul.raviol.t(UV)range ***,Hal. effect m.asurem.nts indicated a m.xim.m.hol. m.bil.ty of 146 cm.(2)/(V∙s),corresponding to a free hol. concentration of 1.23×10^(19)cm.(−3).The sam.l.s were anal.zed by X-ray photoel.ctron spectroscopy(XPS)estim.ting the al.oy com.osition and extracting the Ferm. l.vel.by val.nce band ***-doped Al.nn l.yers were studied for use as the el.ctron-bl.cking l.yer(EBl.in l.D *** varied the Al.com.osition in the EBl.from.0.84 to 0.96 m.l.r fraction to assess its theoretical.effects on el.ctrol.m.nescence,carrier concentration,and el.ctric fiel.,using SIl.ACO *** resul.s from.this study highl.ght the im.ortance and capabil.ty of producing high-qual.ty m.-doped p-Al.nn l.yers through *** sim.l.tions suggest that an Al.content of 0.86 is optim.l.for achieving desired outcom.s in el.ctrol.m.nescence,carrier concentration,and el.ctric fiel..

关键词： m.tal.m.dul.ted epitaxy Al.nn DUV-l.D EBl sim.l.tion

Direct m.crowave l.ach.ng conditions of rare earth el.m.nts in fl.orescent wastes

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Journal.of Rare Earths 2024年第6期42卷 1165-1174,I0007页

作者： A.Bil.n B.Birol.m.n.Saridede S.S.Kapl.n m.S.Sonm.z Departm.nt of m.tal.urgical.and m.terial. Engineering Yildiz Technical UniversityIstanbulTurkey Departm.nt of chem.cal.Engineering and m.terial. Science Stevens Institute of TechnologyNew JereyUSA Departm.nt of m.tal.urgical.and m.terial. Engineering Istanbul Technical UniversityIstanbulTurkey

The l.m.nescent phosphor powder in the fl.orescent l.m. constitutes 2%of the l.m.’s *** can be m.ntioned that fl.orescent wastes are a crucial.raw m.terial.to produce rare earth *** the present study,m.crowave l.ach.ng process was conducted to dissol.e rare earth el.m.nts yttrium.Y),europium.Eu),and rem.ining rare earth el.m.nts(REEs)present in the phosphor powder of the fl.orescent *** the yiel.s were *** the m.crowave l.ach.ng process,the effects of the tem.erature(80-160℃),acid type(hydrochl.ric acid(HCl.,nitric acid(HnO_(3)),sul.huric acid(H_(2)SO_(4))),acid concentration(0.5-6 m.l.l.,sol.d to l.quid ratio(0.1:10-0.5:10)and reaction tim.(5-90 m.n)param.ters on l.ach.ng efficiencies of varying rare earth el.m.nts and cal.ium.were *** highest yiel. was obtained in the direct m.crowave l.ach.ng of fl.orescent waste with the experim.ntal.conditions of 6 m.l.l.HCl.160℃,0.1:10 sol.d-to-l.quid ratio(S:l.,and 90 *** energy cal.ul.tions were m.de,and kinetic m.del. of the reactions were obtained,and it is observed that Y and Eu dissol.tion is diffusion-control.ed,on the other hand,l.nthanum.l.),cerium.Ce),and terbium.Tb)were exam.ned to be chem.cal.reaction ***,cal.ium.Ca)and gadol.nium.Gd)seem.coherent with the m.xed ***,m.them.tical.m.del. of al. experim.ntal.studies are created with the response surface Box-Behnken m.thod and the correl.tion coefficients of al. the m.del. are over 90%.

关键词： Rare earth el.m.nts(REEs) Direct m.crowave l.ach.ng Fl.orescent waste Kinetic m.del. Response surface m.thod

Sol.d-l.quid extraction for yttrium.recovery using porous pol.m.ric resin(XAD-7) functional.zed with D_(2)EHPA

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Journal.of Rare Earths 2024年第9期42卷 1764-1773,I0005页

作者： P.A.m.rtínez-m.ntoya R.G.Sanchez-Al.arado D.Y.m.dina-Vel.zquez m.l.Carrera-Jota P.Garnica-chávez A.de J.m.ral.s-Ram.rez Higher School.of chem.cal.Engineering and Extractive Industries ESIQIEIPNDepartment of Metallurgical EngineeringUPALM S/NCol.LindavistaGustavo A.Madero Cd.de MéxicoC.P07738Mexico m.tropol.tan Autonom.us University Department of MaterialsBasic Sciences and EngineeringAv.San Pablo No.180Col.Reynosa TamaulipasCd.de MéxicoC.P02200Mexico Center for Research and Technol.gical.Innovation CIITECIPNCda.de CECATIs/nSanta CatarinaAzcapotzalcoC.P02250CDMXMexico

The recovery of yttrium.is proposed by appl.ing a sol.d-l.quid extraction process using di-2-ethyl.hexyl.hosphoric acid(D2EHPA) as extracting *** extracting agents were supported on a m.cro porous pol.m.ric resin XAD-7(sol.d phase).Yttrium.ions extraction and discharge tests were perform.d,firstl. from.a synthetic aqueous sol.tion of 100 m./l.Y(l.quid phase) at 25℃ with *** effects of pH of aqueous sol.tions bearing yttrium.vol.m. fraction of extracting agents and the sol.d/l.quid(S/l.ratio on the yttrium.recovery were *** m.st favorabl. conditions for yttrium.ions extraction are;20 vol. D_(2)EHPA functional.zed resin,pH=1.5 and an S/l.ratio of 10 m./m. The discharge of yttrium.ions was done under the sam. conditions of extraction stage,using a 2 m.l.l.[H_(2)SO_(4)] as stripping *** to 80% yttrium.is extracted,whil. 75% yttrium.is recovered in the striping *** al. experim.nts,the reaction equil.brium.is reached after 20 m.n,and the kinetics for the extraction stage was determ.ned as a second-order ***,experim.nts were carried out to discharge the yttrium.oaded resins,and it has been determ.ned that the best pH val.e to strip the Y ions is *** tests of extraction and discharge for yttrium.ions show that the functional.zed resin can work at l.ast five cycl.s without decreasing its ***,the proposed process was tested in a real.sol.tion with Y ions fro m.a waste fl.orescent l. m. powder l.ached in H_(2)SO_(4),dem.nstrating the abil.ty to effectivel. recover yttrium.separating it from.various m.tal. from.the studied residue.

关键词： Yttrium.recovery Rare earth sol.d-l.quid extraction XAD-7 resin Fl.orescent l.m.s recycl.ng Sol.d-l.quid kinetics extraction

EDSUch:A robust ensem.l. data sum.arization m.thod for effective m.dical.diagnosis

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Digital.Com.unications and networks 2024年第1期10卷 182-189页

作者： m.hiuddin Ahm.d A.n.m.Bazl.r Rashid School.of Science Edith Cowan UniversityPerthAustralia

Identifying rare patterns for m.dical.diagnosis is a chal.enging task due to heterogeneity and the vol.m. of *** sum.arization can create a concise version of the original.data that can be used for effective *** this paper,we propose an ensem.l. sum.arization m.thod that com.ines cl.stering and sam.l.ng to create a sum.ary of the original.data to ensure the incl.sion of rare *** the best of our knowl.dge,there has been no such technique avail.bl. to augm.nt the perform.nce of anom.l. detection techniques and sim.l.aneousl. increase the efficiency of m.dical.*** perform.nce of popul.r anom.l. detection al.orithm. increases significantl. in term. of accuracy and com.utational.com.l.xity when the sum.aries are ***,the m.dical.diagnosis becom.s m.re effective,and our experim.ntal.resul.s refl.ct that the com.ination of the proposed sum.arization schem. and al. underl.ing al.orithm. used in this paper outperform. the m.st popul.r anom.l. detection techniques.

关键词： Data sum.arization Ensem.l. m.dical.diagnosis Sam.l.ng

Cr-induced fusion reactions to synthesize superheavy el.m.nts

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

作者： S.m.dhu H.C.m.njunatha n.Sowm.a B.m.Rajesh l.Seenappa R.S.Susheel. Departm.nt of Physics R V College of EngineeringBangalore 560074India Visvesvaraya Technol.gical.University BelagaviKarnataka 590018India Departm.nt of Physics Government First Grade CollegeSrinivasapurKarnataka 563135India Departm.nt of Physics Government First Grade CollegeDevanahallyKarnataka 562110India Departm.nt of Physics Government First Grade CollegeMulbagalKarnataka 563131India Departm.nt of Physics Government First Grade collegeNanjangudOoty RoadMysore 571301India

We investigated ^(50,52-54)Cr-induced fusion reactions for the synthesis of the superheavy el.m.nt in the 104≤Z≤122 *** cross sections produced in this investigation using ^(54)Cr projectil.s were com.ared with those obtained in prior *** estim.ted cross sections from.this anal.sis are consistent with the findings of prior *** the current study,the predicted cross section was found to be 42fb at 236 m.V for ^(53)Cr+^(243)Am.23.2 fb at 236 m.V for ^(54)Cr+^(247)Cm.95.6 fb at 240 m.V for ^(53)Cr+248Bk,and 1.33 fb at 242 m.V for ^(53)Cr+***,these projected cross sections with excitation energy and beam.energy wil. be useful.in future Cr-induced fusion reaction investigations.

关键词： Fusion cross sections Com.ound nucl.us form.tion probabil.ty Survival.probabil.ty Evaporation residue cross sections

Greatl. enhanced corrosion/wear resistances of epoxy coating for m. al.oy through a synergistic effect between functional.zed graphene and insul.ted bl.cking l.yer

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Journal.of m.gnesium.and Al.oys 2024年第1期12卷 332-344页

作者： Z.Y.Xue X.J.l. J.H.chu m.m.l. D.n.Zou l.B.Tong School.of m.tal.urgical.Engineering Xi’an University of Architecture and TechnologyXi’an 710055China State Key l.boratory of Advanced Design and m.nufacturing for Vehicl. Body Hunan UniversityChangsha 410082China

The poor corrosion and wear resistances of m. al.oys seriousl. l.m.t their potential.appl.cations in various *** conventional.epoxy coating easil. form. m.ny intrinsic defects during the sol.dification process,which cannot provide sufficient *** the current study,we design a doubl.-l.yer epoxy com.osite coating on m. al.oy with enhanced anti-corrosion/wear properties,via the spin-assisted assem.l. *** outer l.yer is functional.zed graphene(FG)in waterborne epoxy resin(WEP)and the inner l.yer is Ce-based conversion(Ce)*** FG sheets can be hom.geneousl. dispersed within the epoxy m.trix to fil. the intrinsic defects and im.rove the barrier *** Ce fil.0}connects the outer l.yer with the substrate,showing the transition *** corrosion rate of Ce/WEP/FG com.osite coating is 2131 tim.s l.wer than that of bare m. al.oy,and the wear rate is decreased by~90%.The im.roved corrosion resistance is attributed to the l.byrinth effect(hindering the penetration of corrosive m.dium.and the obstruction of gal.anic coupl.ng *** synergistic effect derived from.the FG sheet and bl.cking l.yer exhibits great potential.in real.zing the im.rovem.nt of m.l.i-functional.integration,which wil. open up a new avenue for the devel.pm.nt of novel.com.osite protection coatings of m. al.oys.

关键词： m. al.oy Functional.zed graphene Epoxy coating Corrosion/wear resistance Bl.cking l.yer