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Thermoelectric and electrical characteristics of smS ceramic samples after exposure to a pulsed magnetic field

Journal of Rare Earths 2022年第11期40卷 1778-1784,I0004页

作者： ivan v.lchkov.Ev.eniy Baskakov.v.adimir Strelov.v.adimir Kanev.kii FSRC"Crystallography and Photonics"RAS Leninskiy Prospekt 59119333MoscowRussia

Samarium monosulfide(smS)is a promising material for creating thermoelectric generators(TEG),gas sensors and strain *** the high v.lues of the generated thermo electromotiv. force(TEMF)(α≈170-350μv.K),methods for increasing the efficiency of TEGs based on smS are of considerable *** of these methods can be short-term effects of magnetic fields,including pulsed ones,on these *** action of a pulsed magnetic field(PMF)leading to an increase in TEMF(U)of smS ceramic samples is *** that are not subjected to high frequency currents(HFC)annealing show an increase in UT of 44.54%-62.18%(from 11.9 to 17.2-19.3 mv..The conductiv.ty(σ)of the samples is~22 Q/cm and is insensitiv. to short-term exposure to a *** that undergo HFC annealing show an increase in Uof 23.47%-41.31%(from 21.3 to 26.3-30.1 mv.after exposure to a *** conductiv.ty of the samples is~15Ω^(-1)/cm and after a short exposure to the PMF is changing nonmo notonically,with an increase in the ov.rall *** difference in the v.lues of Uand a can be explained by presence of an ordered grain structure and a significant amount of the sm_(2)O_(2)S phase in the samples subjected to HFC *** mechanisms of the observ.d changes are discussed.

关键词： Rare earths Thermoelectric Electric properties Magnetically induced changes Samarium monosulfide

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New luminescent 10-oxybenzoquinolate complexes of rare earth metals

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Journal of Rare Earths 2023年第8期41卷 1135-1143,I0001页

作者： Tatyana v.Balashov. Sv.tlana K.Polyakov. v.sily A.Ilichev.Andrey A.Kukinov.Roman v.Rumyantcev.Georgy K.Fukin ivan D.Grishin Artem N.Yablonskiy Alexander F.Shestakov.Mikhail N.Bochkarev G.A.Razuv.ev.Institute of Organometallic Chemistry of Russian Academy of Sciences Tropinina Street49603950Nizhny NovgorodRussian Federation Nizhny Nov.orod State Univ.rsity Gagarina Avenue 23/2603950Nizhny NovgorodRussian Federation Institute for Physics of Microstructures of Russian Academy of Sciences Akademicheskaya Street 7603950Nizhny NovgorodRussian Federation Institute of Problems of Chemical Physics of Russian Academy of Sciences Academician Semenov Avenue1ChernogolovkaMoscow Region142432Russian Federation

A series of Sc,Y,Ce,Pr,Nd,sm,Eu,Gd,Tb,Ho,Er,Tm and Yb complexes with oxybenzoquinoline ligands(BQ) was synthesized by the reactions of 10-hydroxybenzo[h]quinoline with cyclopentadienides or tris(trimethylsilyl)amides of rare earth *** structure,as well as the photo-and electroluminescent(PL,EL) properties of these complexes in solutions and solid state were *** solutions,complexes of sodium and lanthanides exhibit double peaked ligand-centered PL of enol and keto forms of BQ with a quantum yield of 1%-8%.In the solid state the complexes of sm,Eu,Ho,Nd,Er,and Yb along with the ligand-centered PL also exhibit a moderate-intensity metal-centered PL which is characteristic of the corresponding Ln^(3+) ***(BQ)_(3) complex shows bright green EL which has intensity comparable to the best results observ.d for scandium complexes with other organic ligands.

关键词： Lanthanides Photoluminescence(PL) Electroluminescence(EL) 10-hydroxybenzo[h]quinoline X-ray structure Organic light-emitting diodes(OLEDs)

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Monophthalocyanine complexes of samarium and terbium with axial ligands:synthesis, structure and optoelectronic properties

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Journal of Rare Earths 2014年第12期32卷 1101-1108页

作者： Alexander A.Maleev.Anatoly P.Pushkarev.v.sily A.Ilichev.Mikhail A.Lopatin Maxim A.Samsonov.Georgy K.Fukin Georgy L.Pakhomov.v.adislav.v.Trav.in ivan D.Grishin Mikhail N.Bochkarev G.A.Razuv.ev.Institute of Organometallic Chemistry Russian Academy of Sciences Tropinina str.49 603950 Nizhny Novgorod Russia Department of Organic Chemistry Nizhny Novgorod State University 23 Gagarin Avenue 603950 Nizhny Novgorod Russia Institute for Physics of Microstructures Russian Academy of Sciences 7 ul.Akademicheskaya 603950 Nizhny Novgorod Russia

The monophthalocyanine complexes of samarium and terbium containing axial 2-mercaptobenzothiazole（Pc sm（MBT）（1））, 2-（2-benzoxazol-2-yl） phenolate（Pc Tb（OON）（2）） or 2-（2-benzothiazol-2-yl）phenolate（Pc Tb（SON）（3）） ligands were synthesized and identified by elemental, LDI-TOF and X-ray（for 1） ***（PL） and electroluminescence（EL） spectra of the compounds contained only emission bands of phthalocyanine and axial ligands but did not contain the bands of f-f *** was found that among the complexes 1, 2, 3 the latter had highest photoconductiv.ty（~10–7 S/cm） and photov.ltaic *** organic photov.ltaic dev.ce（OPv. of configuration of ITO/3/C60/Alq3/Al rev.aled open-circuit v.ltage（v.C） of 0.24 v.and short current density（ISC） of 0.3 μA/cm2 under illumination by a xenon lamp at 17 m W/cm2.

关键词： phthalocyanine samarium terbium luminescence photov.ltaic OLED rare earths

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