Отзыв оппонента Пастушенкова (1097680)
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n p H B e ~ e ~ bCpaBHHTeJIbHbIe1~a6nk1qb1C B O ~ ~ C T B ,BHCCJIeAYeMbIXMaKCkIMZlJIbHbIXYaCTHOCTEI,aBTOPOMCkICTeMaTkI3kIPOBaHbIM~I'HHTO~JI~KTPHY~CKOIIOJIXPkI3aqkIEI~~3HaYeHkIIIX~ O ~ ~ T O 0B6. 3 0 ~ CBkIAeTeJIbCTByeT0T J I Y ~ O K O M kI3YYeHkIkIkIBAaHHbIe0C ~ M ~ ~ C TIIOHHMaHMkIA.A.A~MHAOB~IMCOCTOXHkIX HCCJIeAYeMbIX n p o 6 n e ~ .Bo ~ ~ o p orinia B eMOAeJIHAaHo onHcaHHe T e o p e T m e c K o r oKPHCTaJIJIkIYeCKOrOMOJIeKYJIXPHOTOXaPaKTePEICTkIKkIpa36asne~~b1xIIOJIII,IIOJIXAJIXpeAKO3eMeJIbHOI'OK O T O P ~ I ~ ll03BOJIkIJI~6 o p a ~ oRh!f3(B03)4~(MCOCTaBOB.noAxoAa,=aBTOpyHOHaocHosaHHoro HakIII~~I~JI~IX~HPaCCYkITaTbFe, Al, Ga, Cr)ElCCJIeAyeMbIeYEICTMX, 3aMeIIJeHHbIX kIT e o p e ~ k I Y e c ~ E I i i IIOAXOAOTpaXaeTB ~ ~ H M O A ~ ~ ~ CKpEICTaJIJIHYeCKyI-0TBH~~,13 M a r H E I T H P CTPYKTYPyEIepapXkII-06 0 p a ~ oRh!f3(BO3)4~kl,KaK OTMeYeHO aBTOPOM, IIOCTpOeH H a OCHOBe a n p o 6 k 1 p o ~ a ~ ~ oIIOAXOAaroAJIH C J I p a X@eppo6opa~o~RFe3(B03)4 (R = Tb, Nd, DyKOTOpOrOA.A.A~MHAOBT a K X e CbIr'paJIpea~1~13aq~k1rkicTbIxIIpkIBeAeHbIraMEIJIbTOHEIaHb1AJIXPaCYeTak~Pr),BaXHyI-0MarHMTHbIXE3B nocTpoeHmpOJIb.Bk~rJIaBeMaTHEITOYIIpYTEIXXapaKTepkICTkIK.A K ~ ~ H T H P YBHHMaHkIe~TCRHan p o 6 n e ~ eOIIkICaHkIRKpkICTaJIJIHreCKOrOIIOJIR B CJIyYae 3 a M e u e H H b I x 6 0 p a ~ O BH IIpeAJIOXeH O ~ O C H O B ~ H HMeTOA~ I ~ ~ee PeLUeHkIR.npkIBe~eHb1@0p~yJIb1PaCreTaI I p k 1 6 n k I x e ~ k l ~ x .BMYJIbTHIIOJIbHOMMaTHkITOCTpkIKqkIkIBIIOCJIeAHeMB T O P O ~ ~rJIaBbInyHKTeKBaAPYIIOJIbHOMkIaBTOPOMIIpeAJIOXeH 0 ~ k I r H ~ a J I b ~ bC1IfI iO C O ~OIIkICaHHR M ~ T H ~ I T o ~ J I ~ K T P ~lIOJIRpH3aqkIkI,I~~cKo~~aMMeHHO, CpaBHkIBaR lIOJIRpkI3aqkIIO C P a C C ~ H T a H H b I M k IIIOJIeBbIMkI kI TeMIIepaTypHbIMkI3aBkICkIMOCTRMkI MyJIbTkIIIOJIbHbIX MOMeHTOB peAKO3eMeJIbHbIX MOHOB.BTPeTbefiXapaKTepkICTkIKkIrnaBePIXIIpeACTaBJIeHbIaH0~2iJIkIfi HpkI=Nd, Tb, Dy).kICCJIeAOBaHkuI(R=MarHHTHbIX60pa~ax C ABYMIIY, Pr, Sm, Tb, Ho, Er) Pi R C r 3 ( B 0 3 ) 4@Z~OB~IXIIepeXOAaXMarHkITHbIMkI IIOACkICTeMaMH R F e 3 ( B 0 3 ) 4(Rpe3yJIbTaTbIBK O J I ~ I Y ~ C T B ~ H OIIkICaHbIHOaHOMaJIkIkI H a KPkIBbnt HaMaTHHYkIBaHkuIIIPH C I I ~ I H - @ J I O I I - I I ~ ~ ~ XBO JIerKOOCHbIXA~(R = PrkITb)kI JIerKOIIJIOCKOCTHbIX(R = Y,Er) @eppo6opa~ax.H e o 6 x o ~ k I ~OTMeTkITboX O p O u I e e OIIkICaHHe MarHkITHbIXC B O ~ ~ C T@eppo6opa~aBH o F ~ ~ ( B OB~KOTOPOM)~,IIPH TSR 5 K O G H ~ P Y XC~IHI O H T ~ H Hc n ~ s - n e p e o p k ~ e ~ ~ a q k ~ nepexoa,o ~ ~ b ~ f i r T o c F e T o M CJ-IOXHO~~ CTPYKTYP~ISmkI~JI~I~Ko~~cIIoJIoXHkIXHkIX~ H H ~ I 3HepreTkIseCKkIXXy p 0 B H e f i HOHa HO~' C y u e C T B e H H OAJIRycnoXmeTTeopeTmecKoenonyreHHbIx~ k I 3 ~ 0 ~ ep e 3 y n b ~ a ~n poH~ p a c r e T e H a r a M H n b T o H M a H a x K p m T a J I n k I r e c K o r o nonx B~ n e p a ~ yC2p ~ OkI f Bi ~ I C O K O T ~ M I I ~ P ~ TD3YPHJIOKaJIbHbIXO~~CkIMMeTPkIRXOKPYXeHkIRHOHaCOBOKYIIHOCTHkIccneAosaHkIe.~ 0 ~ 'Y.C T ~ H O B J I ~ H O YTO,KOJIkIYeCTBeHHOeHkI3KOTeMIIePaTYPHbIXB03MOXHO TOJIbKOB PaMKaX3@@e~TRa Ha-TeJInepa.BTePMOAkIHaMkIreCKkIXnpoBeAeHOlIkICaHliea~ank13LUkIp0~0fiC B O ~ ~ C T BH o F e 3 ( B 0 3 ) 4C 2 - ~ l i ~ ~ e T ~ k InkOI ~.
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A e ~ k I ~ o s yo n H c a T b secb 60ra~b1fi~ K c I I ~ ~ H M ~ H T ~MaTepkIaJIJ I ~ H ~ I ~ MarHHTHbIX~XaPaKTePkICTkIK PrxY1-xFe3(B03)4AJIRs ~ a r e ~ k n~a ip ai M e T p a x = 0.75, 0.67, 0.55, 0.45 k~ 0.25. C n e ~ y eBbIAenHTb,~rToAOCTkIrHyTO OIIHCaHkIe BIIepBbIe kI3MePeHHbIX AJIR @epp060pa~0~TeMnepaTypHbIX~ ~ B ~ I C E I M O C OTKJIOHeHkIRT~~~MarHliTHbIXMOMeHTOBXeJIe3a OT OCkI C.C H C T ~ M ~ T H ~ ~ I 3~ ~Oa Br e~ ~Hk HO1 n~~p eIA~e n e H H b I x n a p a M e T p o B c o r n a c y m T c x ckI3BeCTHbIMkI AaHHbIMkI AJIR YkICTbIX COCTaBOB IIPH X = 0 EI 1.
K O ~ ~ I ~ ~ C TOIIkICaHbIB~HHOc n k i s - n e p e o p ~ e ~ ~ a q k ~ onepexoabr,~~b~epea~1~3ym1q~ecxnpHk 1 3 ~ e ~ e ~ k 1 1 - i KaKTeMIIepaTYPbI, TaK H BeJIHrHHbI MarHkITHOrO IIOJIR. ~ ~ ~ A c T ~ B J I T~a KH XHe ~B IA~~ H H OrJIaBepe3yJIbTaTbIPaCreTa--HOKaHekICCJIeAOBaHHbIX3KCIIepHMeHTaJIbHOCBO~~CTB2I I p e ~ c ~ a 3 a ~YTO0 , B D y x Y 1 - x F e 3 ( B 0 3 ) 4 pema3aqa~ a ~ a 6 n m a e ~ ac n o ~ ~ a ~c~n mo r- no e p e o p a e ~ ~ a q m ~nepexo~aoroBO~MO~HMa ,AJISITbxY xFe3(B03)4~3-3a H ~ O ~ X O ~ H M O C TCHJIbHOrOHpa36asne~arr T e p G ~ e B O f i IIOACHCTeMbInposepeHb1.B 0 3 ~ 0 ~ H b I3f@i @e~T6 y A e T HeBbIpa3HTeJIeH.B nrr~ofirnase H a npmepe onHcaHHrr M a r H H T o c T p H K q H a @ e p p 0 6 0 p a T O B c R = Pr,Nd, Sm, Tb, Dy, Ho, Er H T e n n o B o r o p a c r u a p e H a R B H o F ~ ~ ( B OP a~c c)M~o T p e H b IMarHHTOyIIpyrHeC B O ~ ~ C T B ~n .O ~ a 3 a H 0 , YTOCKaYKHMYJIbTkInOJIbHbIXMOMeHTOBp e ~ ~ o 3 e ~ e n b ~HOHOBb 1 x B @epp060pa~axn p H C~HH-@on-nepexo~e06ycnosnasa10~0 6 ~ a p y X e ~ ~ bBeJIklYkIHbI1eCKaYKOB MaTHkITOCTpHKqkIkI.
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Y ~ H OYTO,C B O ~ ~ C T BYHCTbIX@epp060paTOBTb, Nd, Dy a Pr) @ O ~ M ~ J I H c~ M@ o p ~ y n ~ p oas apemaso~aa~A.A.~ ~ ~ M E Z A OBB COaBTOPCTBe,~IMa AJIX A p Y r l l X C O ~ A H H ~ H-HCaMOCTO5ITeJIbHO.~~B IIIecTOfi r J I a B e TeOpeTHYeCKH HCCJIeAOBaHbI MarHHTHbIe C B O ~ ~ C T3Ba M~ e q e H H b I X@ e p p 0 6 0 p a ~ O B , B KOTOPbIX n p H HaTIHYHH KOHKYPkIPYIOLqHX R-Fe O ~ M ~ H H M X=8I~ 3 a E Z ~ 0 ~ e f i ~ ~ BMkOI Vf iTYHcJIeHHbIfiPaCYeT.Pea.JIH30BbIBaTbCSICnHH-nepeOpHeHTaqHOHHbIeHH3KOTeMIIePaTYPHbIXMHOrOnOApeLUeTOYHbIX .TePMOAHHaMHYeCKHXUpOBeAeHHbIeA.A.XapaKTePllCTHK~ H T H @ ~ ~ ~ O M ~ ~ H ~ TCH K O ~Be n e 3 ~ 0 f ipeAKO3eMeJIbHbIMH n0ACkICTeMaMH RBJIReTCX AOCTaTOYHO&~MHAOB~IM BeAHHOMnOAxOAenepeXOAb1.aC J I O X H O ~ ~ 3aAa9efi.PaCYeTbIHABYMCI~ O ~ T O MAOCTHrHyTOe@eppoGopa~aPrxY1-xFe3(B03)4Br e ~ s e p ~ o rnase.fiB @eppoGopa~axNdl-xDyxFe3(B03)4(X = 0.05, 0.1, 0.15, 0.25)onHcaH0 6 ~ a p y x e ~ ~ b 1 fCi ~ O H T ~ H H ~cIn~~~ ~ - n e p e o p k ~ e ~ ~ a q k nepexoA.~o~~b~if l n ~ Sm0.7H00.3Fe3(B03)4YAaJIOCb OnACaTb YHkIKmbHOe AJIR @ e p p 0 6 0 p a ~ O BCTyneHYaTbIeaHOMaJIHHkIAJIXpa36aBJIeHHOrO3C J I ~ ~ O ~ H H ~ O T P O ~ ITI OHBOe A~ eHHeMarHHTHbIXXaPaKTePHCTHK.O ~ W I C H ~ H HO~ ~ H ~ ~ ~ X ~ HHeOXHAaHHOTOH O ~ Onepexoga BnepeopHeHTaqHoHHoronoamopa,MHeHHmYBeJIHYeHHRnoC B R ~ ~ H cO p a c r u H p e H H e MOHOYCTO~~YEIBOCTH HaYa.JIbHOr0HH3KOTeMIIepaTypHOrOCTOHT BbIAeJIHTbTeMnepaTypbIc HOF~~(BO~CpaBHeHMmTeMnepaTypHoroCOCTORHHRCnHH-AHana3oHaBCJIeACTBHeer0H3MeHeHHR C JIerKOOCHOrO, KaK B H o F e 3 ( B 0 3 ) 4 , H a YrJIOBOe COCTORHHe.BC ~ A ~ Mr J IOa B~e PaCCMOTpeHbI M a r H H T H b I e H MarHHT03JIeKT&3HYeCKHe C B O ~ ~ C T B~ O ~ ~ TC O0 B~6 0 p a ~ aB~HaYYHOMrHraHTCKHXH ~ I T( Hp eO~ ~ 0~3 e ~ e J I b H 0 f~i )I O A C H CUT~HMTO~K~~AaHHbIM~~.
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