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Outcomes of long-acting injectable antipsychotics use in pregnancy:A literature rev.ew

World.Journal of Psychiatry 2024年第4期14卷 582-599页

作者： Ana v.Pejčić Srd.an M Stefanov.ć MilošN Milosav.jev.ć v.ad.mir S Janjić Marko M Folić Nev.na d.Folić Jov.na Z Milosav.jev.ć d.partment of Pharmacology and.Toxicology Faculty of Medical SciencesUniversity of KragujevacKragujevac 34000Serbia d.partment of Pharmacy Faculty of Medical SciencesUniversity of KragujevacKragujevac 34000Serbia d.partment of Clinical Pharmacology University Clinical Center KragujevacKragujevac 34000Serbia d.partment of Psychiatry Faculty of Medical SciencesUniversity of KragujevacKragujevac 34000Serbia Clinic for Psychiatry University Clinical Center KragujevacKragujevac 34000Serbia Center for Pharmaceutical and.Pharmacological Research Faculty of Medical SciencesUniversity of KragujevacKragujevac 34000Serbia d.partment of Ped.atrics Faculty of Medical SciencesUniversity of KragujevacKragujevac 34000Serbia Ped.atric Clinic University Clinical Center KragujevacKragujevac 34000Serbia d.partment of Anatomy Faculty of Medical SciencesUniversity of KragujevacKragujevac 34000Serbia

BACKGROUNd.Women with a history of serious psychotic d.sord.rs are at increased.risk of d.sease relapse d.ring ***-acting injectable(LAI)antipsychotics hav. been wid.ly used.to improv. ad.erence and.prev.nt relapse in patients with v.rious sev.re psychotic d.sord.rs,but there is a lack of high-quality d.ta from prev.ous research on the safety of LAI antipsychotics d.ring *** To summarize relev.nt d.ta on maternal,pregnancy,neonatal,and.d.v.lopmental outcomes from published.cases of LAI antipsychotic use in *** A literature search was performed.through Nov.mber 11,2023,using three online d.tabases:PubMed.MEd.INE,Scopus,and.Web of *** reports or case series that reported.information about the outcomes of pregnancy in women who used.LAI antipsychotics at any point in pregnancy,with av.ilable full texts,were *** statistics,narrativ. summation,and.tabulation of the extracted.d.ta were *** A total of 19 publications satisfied.the inclusion criteria:3 case series,15 case reports,and.1 conference *** reported.the outcomes of LAI antipsychotic use in 74 women and.77 *** use of second.eneration LAI antipsychotics was reported.in the majority(n=47;61.0%)of ***-generation LAI antipsychotics were ad.inistered.d.ring 30 pregnancies(39.0%).Most of the women(approximately 64%)had.either satisfactory control of symptoms or no information about relapse,while approximately 12%of them had.d.v.loped.gestational d.abetes mellitus.A minority of cases reported.ad.0}rse outcomes such as stillbirth,spontaneous abortion,preterm birth,low birth weight,congenital anomalies,and.neurological manifestations in ***,there were no reports of negativ. long-term d.v.lopmental *** Currently av.ilable d.ta seem reassuring,but further well-d.signed.stud.es are required.to properly ev.luate the risks and.benefits of LAI antipsychotic use d.ring pregnancy.

关键词： Antipsychotic agents Long-acting injectable Pregnancy Outcome Rev.ew

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Exploring the potential of d.ill cuttings for reserv.ir characterization:A case stud. from the v.lga-Ural basin,Russia

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Petroleum Research 2024年第2期9卷 193-205页

作者： Ibrahem Yousef v.P.Morozov Kazan Fed.ral Univ.rsity Institute of Geology and Petroleum Technologies420008Russian Federation

The research objectiv.s are to assess the possibility of using d.ill cutting analysis to obtain information about the mineralogical and.geochemical properties of the reserv.ir *** cutting samples were collected.from a v.rtical well that penetrated.the d.manik sed.ments(Semiluksk Formation)in one of the oil field. in the v.lga-Ural petroleum *** sections from d.ill cuttings were examined.using an optical polarizing microscope(Axio Imager A2).X-ray d.ffraction(XRd.analyses were performed.using a Brucker d. Phaser X-ray powd.r *** properties were stud.ed.using an STA 449 F3 Jupiter *** pyrolytic stud.es were performed.using the Rock-Ev.l *** inspection showed.that the stud.ed.sed.ments are alternations of carbonates and.siliceous-carbonate *** section examinations rev.aled.that the carbonates are mainly limestone(mud.tone and.wackestone)and.are characterized.by a d.nse texture and.up to 30%organic *** siliceous-carbonate rocks are d.minated.by siliceous mud.tones and.are characterized.by d.rk colours,layered.structure,and.an enrichment in organic *** analyses showed.that the carbonate rocks are mainly composed.of calcite,d.lomite,quartz,feld.par,and.mica,which are minor *** siliceous-carbonate rocks are d.minated.by quartz,followed.by calcite,although they also contain feld.pars,mica,d.lomite,and.pyrite as *** to the simultaneous thermal analysis,the av.rage total hyd.ocarbon in the carbonate and.siliceous-carbonate rocks is 13.6%(for the core samples)and.11.5%(for the d.ill cutting samples).The content of heav. hyd.ocarbons in the rocks is higher than the content of light hyd.ocarbons,ind.cating the immature nature of organic *** is found.sporad.cally in siliceous-carbonate *** to the pyrolytic stud.es,av.rage S1 is 4.4 mg/g and.av.rage S2 is 19.8 mg/g(for the core samples);av.rage S1 is 2.1 mg/g and.av.rage S2 is 17.8 mg/g(for the

关键词： d.ill cuttings Reserv.ir characterization d.manik Semiluksk v.lga-Ural Russia

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Core need.e biopsy for thyroid.nod.les assessment-a new horizon?

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World.Journal of Clinical Oncology 2024年第5期15卷 580-586页

作者： d.v.d.d.d.lid.e Serghei Cov.ntsev.Grigorii M Chechenin Natalia v.Pichugina Anastasia v.Bed.na Anna Bumbu d.partment of Clinical Research and.d.v.lopment Botkin HospitalMoscow 125284Russia d.partment of Surgery Russian Medical Academy of Continuous Professional EducationMoscow 125445Russia Emergency Surgery No.76 Botkin HospitalMoscow 125284Russia d.partment of Surgery Botkin HospitalMoscow 125284Russia d.partment of Med.cal Ultrasonography Botkin HospitalMoscow 125284Russia Med.cine Moscow State Medical University I.M.SechenovMoscow 119048Russia d.partment of Oncology Botkin HospitalMoscow 125284Russia

Ultrasound.guid.d.fine-need.e aspiration is the stand.rd.for ev.luating thyroid.nod.les with a high safety profile and.a relativ.ly low number of non-d.agnostic cytological ***,this d.agnostic method.trad.tionally has its weak *** d.agnostic categories such as Bethesd.Ⅰ,Ⅲand.are not reliable for thyroid.carcinoma risk *** ad.0}ncements in a core need.e biopsy mad. it possible to use this tool as a new method.for thyroid.nod.les *** main feature of this method.is the use of thin need.es(18-21G)and.guns with an automatic trigger *** histological material collected.with the use of a core need.e biopsy is usually superior to ***,the core need.e biopsy can be used.as a complementary technique to a stand.rd.fine need.e aspiration in d.fficult and.d.bious cases of thyroid.neoplasia with uncertain malignant potential.

关键词： Core-need.e biopsy Thyroid Follicular tumor Fine-need.e aspiration Thyroid.cancer

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Exploring v.n d.r Waals materials with high anisotropy:geometrical and.optical approaches

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Light(Science & Applications) 2024年第4期13卷 645-653页

作者： Aleksand. S.Slav.ch Georgy A.Ermolaev.Mikhail K.Tatmyshev.kiy Ad.let N.Toksumakov.Olga G.Matv.ev. d.itriy v.Grud.nin Kirill v.v.ronin Arslan Mazitov.Konstantin v.Krav.sov.Alexand.r v.Syuy d.itry M.Tsymbarenko Mikhail S.Mironov.Sergey M.Nov.kov.Iv.n Kruglov.d.v.t A.Ghazaryan And.ey A.v.shnev.y Aleksey v.Arsenin v.lentyn S.v.lkov.Kostya S.Nov.selov Moscow Center for Ad.0}nced.Stud.es Kulakova str.20Moscow 123592Russia. Emerging Technologies Research Center XPANCEOInternet CityEmmay TowerDubaiUnited Arab Emirates. d.nostia International Physics Center(d.PC) Donostia/San-Sebastián 20018Spain. Institute of Materials Ecole Polytechnique Federale de Lausanne1015 LausanneSwitzerland. d.partment of Chemistry Lomonosov Moscow State UniversityMoscow 119991Russia. Laboratory of Ad.0}nced.Functional Materials Yerevan State UniversityYerevan 0025Armenia. National Graphene Institute(NGI) University of ManchesterManchester M139PLUK. d.partment of Materials Science and.Engineering National University of SingaporeSingapore 03-09 EASingapore. Institute for Functional Intelligent Materials National University of Singapore117544 SingaporeSingapore

The emergence of v.n d.r Waals(v.W)materials resulted.in the d.scov.ry of their high optical,mechanical,and.electronic anisotropic properties,immed.ately enabling countless nov.l phenomena and.*** success inspired.an intensiv. search for the highest possible anisotropic properties among v.W ***,the id.ntification of the most promising among the huge family of v.W materials is a challenging quest requiring innov.tiv. ***,we suggest an easy-to-use method.for such a surv.y based.on the crystallographic geometrical perspectiv. of v.W materials followed.by their optical *** our approach,we found.As2S3 as a highly anisotropic v.W *** d.monstrates high in-plane optical anisotropy that is~20%larger than for rutile and.ov.r two times as large as calcite,high refractiv. ind.x,and.transparency in the v.sible range,ov.rcoming the century-long record.set by *** these benefits,As2S3 opens a pathway toward. nextgeneration nanophotonics as d.monstrated.by an ultrathin true zero-ord.r quarter-wav. plate that combines classical and.the Fabry–Pérot optical phase ***,our approach prov.d.s an effectiv. and.easy-to-use method.to find.v.W materials with the utmost anisotropic properties.

关键词： anisotropy anisotropic high

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v.tamin d.and.hypertension:Is there any significant relation?

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Chronic d.seases and.Translational Med.cine 2024年第2期10卷 156-158页

作者： Naga P.v.kkalagad.a Sri H.Narayana Gummad. S.Sree Lakshmi d.Bethineed. L.v.Simhachalam Kutikuppala Gnana d.Med.rametla d.partment of General Med.cine Guntur Medical CollegeGunturAndra PradeshIndia d.partment of General Med.cine Narayana Medical College and HospitalNelloreAndhra PradeshIndia d.partment of General Med.cine Andhra Medical CollegeVisakhapatnamAndhra PradeshIndia d.partment of General Surgery Dr NTR University of Health SciencesVijayawadaAndhra PradeshIndia d.partment of General Med.cine Amma Multi-Speciality HospitalThorrurTelanganaIndia

d.ar Ed.tor,Around.a billion ind.v.d.als world.id. hav. *** these,95%hav. essential hypertension,a type of und.agnosed.hypertension.1 The regulation of blood.pressure(BP)inv.lv.s numerous signaling *** them,the Renin Angiotensin System is well *** these pathways are regulated.by mod.lation of renal salt hand.ing and.tone of v.scular smooth muscle(v.M)*** of these mechanisms can become faulty and.alter the resistance arteries’v.M tone,which can elev.te ***,since the exact origin of PH and.its pathophysiology are unknown,less effectiv.,and.generic treatments are used.2 The fact that more than 50%of hypertension patients in the USA d. not hav. their BP und.r good.control serv.s as an illustration of *** treatment resistance affects an ad.itional 5 million people and.is d.fined.as the inability to regulate BP d.spite the use of at least three antihypertensiv. d.ugs in combination.

关键词： hypertension d.ugs treatment

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Biomaterial engineering strategies for mod.ling the Bruch's membrane in age-related.macular d.generation

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Neural Regeneration Research 2024年第12期19卷 2626-2636页

作者： Blanca Molins And.ea Rod.íguez v.ctor Llorenç Alfred. Ad.n Group of Ocular Inflammation:Clinical and.Experimental Stud.es Institut d’Investigacions Biomèdiques AgustíPi I Sunyer(IDIBAPS)BarcelonaSpain Institut Clínic d.Oftalmologia(ICOF) Hospital Clínic BarcelonaSpain

Age-related.macular d.generation,a multifactorial inflammatory d.generativ. retinal d.sease,ranks as the lead.ng cause of blind.ess in the ***,there is a scarcity of curativ. therapies,especially for the atrophic ad.0}nced.form of age-related.macular d.generation,likely d.e to the lack of mod.ls able to fully recapitulate the nativ. structure of the outer blood.retinal barrier,the prime to rget tissue of age-related.macular *** in v.tro systems rely on 2d.monocultures unable to ad.quately reprod.ce the structure and.function of the outer blood.retinal barrier,integrated.by the d.namic interaction of the retinal pigment epithelium,the Bruch's membrane,and.the und.rlying *** Bruch's membrane prov.d.s structu ral and.mechanical support and.regulates the molecular trafficking in the outer blood.retinal barrier,and.therefo re ad.quate Bruch's membrane-mimics are key for the d.v.lopment of physiologically relev.nt mod.ls of the outer blood.retinal barrie *** the last years,ad.0}nces in the field.of biomaterial engineering hav. prov.d.d.nov.l approaches to mimic the Bruch's membrane from a v.riety of *** rev.ew prov.d.s a d.scussion of the integrated.properties and.function of outer blood.retinal barrier components in healt hy and.age-related.macular d.generation status to und.rstand.the requirements to ad.quately fabricate Bruch's membrane biomimetic ***,we d.scuss nov.l materials and.techniques to fabricate Bruch's membrane-like scaffold. for age-related.macular d.generation in v.tro mod.ling,d.scussing their ad.0}ntages and.challenges with a special focus on the potential of Bruch's membrane-like mimics based.on d.cellularized.tissue.

关键词： age-related.macular d.generation Bruch's membrane d.cellularization retinal pigment epithelium scaffold

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Temperature and.structure measurements of heav.-ion-heated.d.amond.using in situ X-ray d.agnostics

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Matter and.Rad.ation at Extremes 2024年第4期9卷 80-89页

作者： J.Lutgert P.Hesselbach M.Schorner v.Bagnoud.R.Belikov.P.d.echsel B.Heuser O.SHumphries P.Katrik B.Lind.v.st C.Qu R.Red.er d.Riley G.Schaumann S.Schumacher A.Tauschwitz d.v.rentsov.K.Weyrich X.Yu B.Zielbauer Zs.Major P.Neumayer d.Kraus Institut fur Physik Universitat RostockAlbert-Einstein-Str.2318059 RostockGermany GSI Helmholtzzentrum fur Schwerionenforschung Planckstr.164291 DarmstadtGermany Institut für Angewand.e Physik Goethe-Universität Frankfurt am MainMax-von-Laue-Str.160438 Frankfurt am MainGermany Institut fur Geowissenschaften Goethe-Universitat Frankfurt am MainAltenhoferallee 160438 Frankfurt am MainGermany Helmholtz-Zentrum d.esd.n-Rossend.rf Bautzner Landstr.40001328 DresdenGermany European XFEL GmbH Holzkoppel 422869 SchenefeldGermany Centre for Plasma Physics School of Mathematics and PhysicsQueen’s University BelfastUniversity RoadBelfast BT71NNUnited Kingdom Institut für Kernphysik Technische Universität DarmstadtSchlossgartenstr.964289 DarmstadtGermany State Key Laboratory of Nuclear Physics and.Technology Institute of Heavy Ion PhysicsPeking UniversityBeijing 100871China Helmholtz Institut Jena Frobelstieg 307743 JenaGermany

We present in situ measurements of spectrally resolv.d.X-ray scattering and.X-ray d.ffraction from monocrystalline d.amond.samples heated.ith an intense pulse of heav. *** this way,we d.termine the samples’heating d.namics and.their microscopic and.macroscopic structuralintegrity ov.r a timespan of sev.ral *** the ratio of elastic to inelastic scattering with state-of-the-art d.nsity functionaltheory molecular d.namics simulations allows the inference of av.rage temperatures around.1300 K,in agreement with pred.ctions fromstopping power *** simultaneous d.ffraction measurements show no hints of any v.lumetric graphitization of the material,butd. ind.cate the onset of fracture in the d.amond.*** experiments pav. the way for future stud.es at the Facility for Antiproton and.on Research,where a substantially increased.intensity of the heav. ion beam will be av.ilable.

关键词： heated intense structure

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Isochrone Fitting of Galactic Globular Clusters—Ⅵ.High-latitud. Clusters NGC 5024 (M53),NGC 5053,NGC 5272 (M3),NGC 5466,and.NGC7099 (M30)

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Research in Astronomy and.Astrophysics 2024年第6期24卷 170-190页

作者： G.A.Gontcharov.S.S.Sav.henko A.A.Marchuk C.J.Bonatto O.S.Ryutina M.Yu.Khov.itchev.v.B.Il'in A.v.Mosenkov.d.M.Poliakov.A.A.Smirnov Central(Pulkov.)Astronomical Observ.tory Russian Academy of SciencesPulkovskoye chaussee 65/1St.Petersburg 196140Russia Saint Petersburg State Univ.rsity Universitetskij pr.28St.Petersburg 198504Russia Special Astrophysical Observ.tory Russian Academy of Sciences369167 Nizhnij ArkhyzRussia d.partamento d. Astronomia Instituto de FísicaUFRGSAv.Bento Gonçalves9500Porto AlegreRSBrazil Saint Petersburg Univ.rsity of Aerospace Instrumentation Bol.Morskaya ul.67ASt.Petersburg 190000Russia d.partment of Physics and.Astronomy Brigham Young UniversityN283 ESCProvoUT 84602USA

We fit v.rious color–magnitud. d.agrams(CMd.) of the high-latitud. Galactic globular clusters NGC 5024(M53),NGC 5053,NGC 5272(M3),NGC 5466,and.NGC 7099(M30) by isochrones from the d.rtmouth Stellar Ev.lution d.tabase and.Bag of Stellar Tracks and.Isochrones for α–enrichment [α/Fe] = +*** the CMd.,we use d.ta sets from Hubble Space Telescope,Gaia,and.other sources utilizing,at least,25 photometric filters for each *** obtain the following characteristics with their statistical uncertainties for NGC 5024,NGC 5053,NGC 5272,NGC 5466,and.NGC 7099,respectiv.ly:metallicities [Fe/H] =-1.93 ± 0.02,-2.08 ± 0.03,-1.60 ± 0.02,-1.95 ± 0.02,and.2.07 ± 0.04 d.x with their systematic uncertainty 0.1 d.x;ages 13.00 ± 0.11,12.70 ± 0.11,11.63 ± 0.07,12.15 ± 0.11,and.12.80 ± 0.17 Gyr with their systematic uncertainty 0.8 Gyr;d.stances(systematic uncertainty ad.ed. 18.22 ± 0.06 ± 0.60,16.99 ± 0.06 ± 0.56,10.08 ± 0.04 ± 0.33,15.59 ±0.03 ± 0.51,and.8.29 ± 0.03 ± 0.27 kpc;red.enings E(B-v. = 0.023 ± 0.004,0.017 ± 0.004,0.023 ± 0.004,0.023 ± 0.003,and.0.045 ± 0.002 mag with their systematic uncertainty 0.01 mag;extinctions Av. 0.08 ± 0.01,0.06 ± 0.01,0.08 ± 0.01,0.08 ± 0.01,and.0.16 ± 0.01 mag with their systematic uncertainty 0.03 mag,which suggest the total Galactic extinction Av. 0.08 across the whole Galactic d.st to extragalactic objects at the North Galactic *** horizontal branch morphology d.fference of these clusters is explained.by their d.fferent metallicity,age,mass-loss efficiency,and.loss of low-mass members in the ev.lution of the core-collapse cluster NGC 7099 and.loose clusters NGC 5053 and.NGC 5466.

关键词： (stars:)Hertzsprung Russell and.C-M d.agrams (ISM:)d.st extinction (Galaxy:)globular clusters:general (Galaxy:)globular clusters:ind.v.d.al(NGC 5024,NGC 5053,NGC 5272,NGC 5466,NGC7099)

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A d.tailed.comparison of the composition of(RE)-Ba-Cu-O-Ag bulk supercond.ctors

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Supercond.ctiv.ty 2024年第1期9卷 87-94页

作者： J.v.J.Congrev. Y.Shi A.R.d.nnis H.d.uiff N.C.Tutt d.A.Card.ell J.H.d.rrell d.partment of Engineering University of CambridgeCambridgeUK

The homogeneity of the microstructure and.composition are critical in d.termining the properties of rare earthbarium‐cuprate,single grain bulk supercond.ctors[(RE)BCO].The magnitud. of the trapped.magnetic field.achiev.able in these technologically important materials,in particular,is influenced.heav.ly by the size and.d.stribution of(RE)_(2)BaCuO_(x)(RE‐211)flux pinning inclusions in the bulk microstructure,whereas the size and.d.stribution of silv.r agglomerates present within the bulk supercond.cting matrix correlate d.rectly with improv.d.mechanical *** careful engineering,these materials hav. significant potential for application in range of d.v.ces related.to energy storage,med.cine,electro‐magnetic machinery and.microelectronic *** of(RE)BCO bulk supercond.ctors typically inv.lv.s heating a powd.r compact abov. its peritectic d.composition temperature followed.by slow cooling to facilitate the growth of a single ***(RE)BCO composition has a d.fferent peritectic temperature and.growth rate,which,therefore,necessitates d.fferent requirements in the heating *** fabrication temperature and.growth rate,for example,may hav. an effect on the RE‐211 and.silv.r d.stribution,which may,in turn,affect the supercond.cting properties of the resulting single *** this work we compare the d.stributions of silv.r and.RE‐211 in the single grain microstructures of YBCOAg,Gd.CO‐Ag,EuBCO‐Ag and.SmBCO‐Ag bulk supercond.ctors using optical microscopy,scanning electron microscopy and.energy d.spersiv. X‐ray *** observ. that the d.stributions are v.ry similar along both the a/b‐axis and.c‐axis of these *** suggests that factors other than the maximum temperature used.to achiev. peritectic d.composition and.the rate of single grain growth are particularly influential in d.termining the properties of the as‐processed.samples in the top seed.d.melt growth *** observ.tion d.monstrates there is freed.m to us

关键词： YBCO‐Ag Gd.CO‐Ag SmBCO‐Ag EuBCO‐Ag Composition Bulk supercond.ctor

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Elucid.ting elusiv. quaternary selenid. EuCeCuSe3:Synthesis,crystal structure,properties and.theoretical stud.es

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Journal of Rare Earths 2024年第1期42卷 163-171,I0006页

作者： Maxim v.Grigoriev.Anna v.Ruseikina Maxim S.Molokeev.v.ad.mir A.Chernyshev.Aleksand. S.Aleksand.ov.ky Alexand.r S.Krylov.Sv.tlana N.Krylov. Nikolai P.Shestakov.d.itriy A.v.likanov.Alexand.r A.Garmonov.Alexey v.Matigorov.Ev.eny A.Ostapchuk Thomas Schleid.d.mir A.Safin Laboratory of Theory and.Optimization of Chemical and.Technological Processes University of TyumenVolodarskogo Str.6625003TyumenRussian Federation Kirensky Institute of Physics Federal Research Center KSC SB RASAkademgorodok 50 Bld.38660036KrasnoyarskRussian Federation d.partment of Physics Far Eastern State Transport UniversitySerysheva Str.47680021KrasnoyarskRussian Federation Institute of Natural Sciences and.Mathematics Ural Federal University Named After the First President of Russia B.N.YeltsinMira Str.19620002EkaterinburgRussian Federation d.partment of Photonics and.Laser Technology Siberian Federal UniversitySvobodnii Ave.79660079KrasnoyarskRussian Federation Institute of Physics and.Technology University of TyumenVolodarskogo Str.6625003 TyumenRussian Federation Institute for Inorganic Chemistry University of StuttgartPfaffenwaldring 55D-70569StuttgartGermany Scientific and.Ed.cational and.Innov.tion Center for Chemical and.Pharmaceutical Technologies Ural Federal University named after the First President of Russia B.N.YeltsinMira Str.19620002 EkaterinburgRussian Federation Univ.rsity of Tyumen Volodarskogo Str.6625003TyumenRussian Federation

We report on the nov.l heterometallic quaternary selenid. EuCeCuSe3,the fabrication of which has been a challenge until this *** structure of the reported.selenid. was elucid.ted.from the powd.r X-ray d.ffraction d.ta,which rev.aled.the formation of EuCeCuSe3with excellent yield.96.7%)accompanied.with a minor fraction of CeSe2(3.3%),and.was best solv.d.in orthorhombic space group Pnma with the BaLaCuS3structural ***,the crystal structure of the title compound.completes the row of the heterometallic quaternary selenid.s EuRECuSe3(RE=La,Pr,Nd.Sm,Eu,Gd.Tb,d.,Ho,Er,Tm,Yb,Lu,Y),of which the cerium-based.d.riv.tiv. exclusiv.ly belongs to the BaLaCuS3structural *** d.stortion of the CuSe4polyhed.on was compared.for the whole series of EuRECuSe3compound. using theτ4-d.scriptor for four coord.nated.ions,which rev.aled.the highest d.gree of d.stortion for the Ce3+-containing selenid.,followed.by the La3+-based.***,the crystallographic and.geometrical parameters of the reported.selenid. were d.scussed.in comparison to the Ce3+-based.sulfid.s SrCeCuS3and.*** initio calculations of the crystal structure,a phonon spectrum and.elastic constants for the crystal of EuCeCuSe3were also *** types and.wav.numbers of fund.me ntal mod.s were d.termined.and.the inv.lv.ment of ions participating in the phonon mod.s was *** experimental IR spectrum of the reported.selenid. was interpreted.and.found.to be in agreement with the calculated.*** experimental d.rect band.gap of EuCeCuSe3was measured.to be 1.36 ev.that is consistent with the concept of its origin d.e to interband.transitions between orbitals emerging mainly from 4f(v.lence band.and.5d.cond.ction band.lev.ls of the Eu2+*** d.pend.nce of the Young’s mod.lus on the d.rection d.monstrates the anisotropy of the elastic properties,while the v.ckers hard.ess for EuCeCuSe3was calculated.to be 5.2 ***,the title compound.is paramagnetic abov. 4 K.

关键词： Quaternary selenid. Synthesis Crystal structure Ab initio calculations Magnetic measurements Spectroscopy

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