IAOe?IIAEUeIA AEAAeAI?ss IAOE OE?A?IE

?INOEOOO O?CEEE

Aaneeueeaae/ Ieaenaiae? Aioiiiae/

OAeE
539.21

IAEO?IIIA NIAEO?INEII?ss

IECUeEIAIA?AAOE*IEO NOAI?A 4f-AEAEO?II?A

A NIIEOEAO OeA??TH OA IAIAeEIO C AETHI?I??I

01.04.07 ( o?ceea oaa?aeiai o?ea

Aaoi?aoa?ao aeena?oaoe?? ia caeiaoooy iaoeiaiai nooiaiy

eaiaeeaeaoa o?ceei-iaoaiaoe/ieo iaoe

Ee?a ( 1998

Aeena?oaoe??th ? ?oeiien

?iaioa aeeiiaia a IOe “?inoeooo yaea?ieo aeine?aeaeaiue” IAI Oe?a?ie

Iaoeiaee ea??aiee

aeieoi? o?c.-iao. iaoe

Ne?naiei Aaneeue ?aaiiae/,

IOe “?ssAe” IAI Oe?a?ie,
caa?aeoaa/ a?aeae?eo

Io?oe?ei? iiiiaioe:

aeieoi? o?c.-iao. iaoe, i?ioani?

Aiaoaiei TH??e Iaaeiae/,

?O IAI Oe?a?ie, caa?aeoaa/
a?aeae?eo

aeieoi? o?c.-iao. iaoe, noa?oee
iaoeiaee ni?a?ia?oiee

Aecthaeee Ieaen?e ss?ineaaiae/,

IOe “?ssAe” IAI Oe?a?ie, i?ia?aeiee
iaoeiaee ni?a?ia?oiee

I?ia?aeia onoaiiaa

O?ce/iee oaeoeueoao Ee?anueeiai oi?aa?neoaoo ?i.Oa?ana Oaa/aiea, i.Ee?a.

Caoeno a?aeaoaeaoueny “ 26 ” eenoiiaaea 1998?. i 1430 aiae. ia
can?aeaii? niaoe?ae?ciaaii? a/aii? ?aaee ? Ae26.159.01 i?e ?inoeooo?
o?ceee IAI Oe?a?ie ca aae?anith: 252650, ANI, i.Ee?a(22, i?. Iaoee, 46.

C aeena?oaoe??th iiaeia iciaeiieoenue o a?ae?ioaoe? ?inoeoooo o?ceee IAI
Oe?a?ie ca aae?anith: 252650, ANI, i.Ee?a(22, i?. Iaoee, 46.

Aaoi?aoa?ao ?ic?neaiee “ 21 ” aeiaoiy 1998 ?ieo.

A/aiee nae?aoa?

niaoe?ae?ciaaii? a/aii? ?aaee
?uoe A.A.

CAAAEUeIA OA?AEOA?ENOEEA ?IAIOE

A e o o a e ue i ? n o ue o a i e. Ooiaeaiaioaeuei? aeine?aeaeaiiy
??aee?niicaiaeueieo (?C) aeaiaio?a oa niieoe ia ?o iniia?, ? cie?aia
?ioa?iaoae?/ieo niieoe, iia(ycai? c i?eeeaaeieie caaea/aie, ine?eueee
oe? iaoa??aee ciaeoee oe?iea aeei?enoaiiy a inoaii? 20-30 ?ie?a o /i?i?e
iaoaeo?a?? oa iaoaeo?a?? niaoe?aeueieo nieaa?a, eaca?i?e oa aa?aoe?ei?e
oaoi?oe?. Canoiniaothoueny aiie a yaea?i?e oaoiieia?? oa ye iaeiie/oaa/?
aiaeith, a oaeiae i?e eiino?othaaii? iino?eieo iaai?o?a c ?aei?aeieie
ia?aiao?aie ? o.ae. Niieoee ?C-aeaiaio?a c aethi?i??i caaaeyee ?o
eaaeino?, aenie?e ei?ic?ei?e no?eeino? ? i?oeiino? ciaoiaeyoue oe?iea
canoinoaaiiy a ??cieo iaeanoyo iiai? oaoi?ee.

Iaeiei ?c /eiiee?a, ye? iaoiiaeththoue ??ciiiai?oi? ? /anoi oi?eaeuei?
aeanoeaino? niieoe ?C-aeaiaio?a, ? aca?iiae?y aeaeo?ii?a iacaiiaiaii?
4f-iaieiiee c e?enoae?/iei aeaeo?e/iei iieai (EAI). Oey aca?iiae?y
cia/ii iaioa ni?i-i?a?oaeueii? aca?iiae?? ? caiaeeoueny aei ciyooy
ae?iaeaeaiiy iniiaiiai ioeueoeieaoo ?C-?iio ca iiaiei iiiaioii J. A
?acoeueoao? oeueiai iniiaiee ioeueoeieao ?icuaieth?oueny ia ?yae ??ai?a
(??ai? EAI). Eiie?aoiee oa?aeoa? ?icuaieaiiy aecia/a?oueny neiao???th
EAI, eiai aaee/eiith oa /eneii 4f-aeaeo?ii?a.

Aeieeiaiiy oiiei? no?oeoo?e iniiaiiai ioeueoeieaoo coiiaeth? aiiiaeueio
iiaaae?ieo iaai?oieo, oa?iiaeeiai?/ieo oa aeaeo?e/ieo aeanoeainoae
?C-niieoe (ia?aiaaiaoeci Aai-Oeaea, aiiiae?y Oiooe?, aeiaeaoeiaee
aeaeo?e/iee ii??).

Aoaeoe, iia(ycai? ?c aca?iiae??th 4f-aeaeo?ii?a c EAI, aeineoue
aeaoaeueii aea/ai? a nieyo ?C-aeaiaio?a, oiae? ye ii a?aeiioaiith aei
iaoae?a oea ieoaiiy aeiaaee /an caeeoaeinue aeeneon?eiei, ine?eueee
iayai?noue a ieo aeaeo?ii?a i?ia?aeiino? (AI) aeieoaaea aeei?enoaiiy
o?aaeeoe?eieo iaoiae?a aeine?aeaeaiue. ? o?eueee canoinoaaiiy iaoiaeo
iaeo?iiii? niaeo?ineii?? aeicaieeei aeyaeoe ? nenoaiaoe/ii aea/aoe
aoaeoe EAI a ?ioa?iaoae?/ieo niieoeao ?C-aeaiaio?a. Ia nueiaiaei?oi?e
aeaiue oey iaeanoue o?ceee oaa?aeiai o?ea ?ioaineaii aeine?aeaeo?oueny,
aea ia aeeaey/enue ia oea, ?yae i?eioeeiiaeo i?iaeai, a oiio /ene?
i?iaeaia ?ie? AI o oi?ioaaii? EAI a iaoaeao, ua ia ae??oai?. Oiio
aeooaeueieie caeeoathoueny aeine?aeaeaiiy ?ioa?iaoae?/ieo niieoe ?
iniaeeai niieoe c i?oi?iia?/iith oi/eiaith a?oiith neiao??? ?C-?iio,
ine?eueee nenoaie c aenieith neiao???th EAI, aieiaiei /eiii, aea/ai?.

C ?ioiai aieo, aeaye? ?c niieoe oea??th ca nai?ie aeanoeainoyie ia
iathoue aiaeia?a ? ?icaeyaeathoueny inoaii?i /anii ye i?eioeeiiai iiaee
eean iaoae?/ieo ?a/iaei. Oea oae caai? eiioeaio?iaai? eiiaei-nenoaie
(EEN). Aecia/aeueia ?ieue o oi?ioaaii? ?o oi?eaeueieo aeanoeainoae
iaeaaeeoue neeuei?e aca?iiae?? 4f-aeaeo?ii?a c AI (s(f-aca?iiae?y), yea
/a?ac eiiaeianuee? oeoeooaoe?? ni?io (EON) i?eaiaeeoue aei eiiiainaoe??
aoaeoeaiiai iaai?oiiai iiiaioo ?iio Ce3+ ?, ioaea, aei iineaaeaiiy
iai?yii? aca?iiae?? i?ae ?C-?iiaie. Aiane?aeie oeueiai ?yae EEN ao?a/a?
caeaoi?noue aei iaai?oiiai aii?yaeeoaaiiy (iaiaai?oi? eiiaei-a?aoee),
oi/a iniiaiee noai ? iaai?oiei.

Iniiaiei iaoiaeii i?e aeine?aeaeaii? aoaeo?a, coiiaeaieo iaiia aeaeaie
aca?iiae?? 4f-aeaeo?ii?a a iaoaeao, ? iaoiae iai?oaeiiai ?icn?yiiy
iaeo?ii?a (I?I). Iayai?noue o iaeo?ii?a iaai?oiiai iiiaioo ?
a?aeiia?aeieo aia?a?e ni?eyea noaiiaeaiith oa aeae?eaiith ?o ye
ie?aiiai, iiooaeiiai iaoiaeo aeine?aeaeaiue e?enoae?/ii? oa iaai?oii?
no?oeoo?, aeeiai?ee eiiaeainiaaiiai noaio ?a/iaeie. Aoaeoeaiei oeae
iaoiae, a naia iaoiae iai?oaeiiai ?icn?yiiy iaeo?ii?a, aeyaeany i?e
aea/aii? iecueeiaia?aaoe/ieo noai?a 4f-aeaeo?ii?a a ?ioa?iaoae?/ieo
niieoeao ??aee?niicaiaeueieo aeaiaio?a, aea a?i ia? i?eioeeiiao
ia?aaaao ia?aae ?ioeie iaoiaeaie (iioe/ieie, AI?, aoaeoii Ianaaoa?a),
yeei a oeueiio a?aeiioaii? aeanoea? aeineoue aei?noe? iaiaaeaiiy.

).

Iaiao?aeii a?aecia/eoe, ui aeine?aeaeaiiy aoaeo?a EAI iaoiaeii I?I a
Oe?a?i? i?iaiaeyoueny aeeeth/ii a IOe “?ssAe”.

C a(y c i e ? i a i o e c i a o e i a e i e o a i a i e.
Aeine?aeaeaiiy, ia yeeo a?oioo?oueny aeena?oaoe?eia ?iaioa, aeeiiai? a
ieaiiaiio ii?yaeeo ca iaoeiaeie oaiaie IAI Oe?a?ie: “E?enoae?/i?
aeaeo?e/i? iiey a nieaaao ia iniia? ??aee?niicaiaeueieo aeaiaio?a”
(1986(1990??.), ?aea?ae.?a?no?. 01.86.0.059817; “Aeeiai?ea a?aoee ?
e?enoae?/i? iiey nenoai c aenieioaiia?aoo?iith iaaei?ia?aei?noth”
(1991(1994??.), ?aea?ae.?a?no?. 01.91.0033643; “Aeine?aeaeaiiy aeeiai?ee
ia?a??c?a aca?iiae?? oaeaeeeo iaeo?ii?a c ia?ii-ia?ieie yae?aie oa
iaoai?ci?a oeeo aca?iiae?e” (1994(1997??.), ?aea?ae. ?a?no?.
0194U001934.

?ii?a Nd3+ ? Ce3+ a ?ioa?iaoae?/ieo niieoeao c i?oi?iia?/iith (Nd2Al,
NdAl, Nd3Al11, CeAl, Ce3Al11) oa aaenaaiiaeueiith (Ce3Al) oi/eiaeie
a?oiaie neiao??? ?C-?iio. Niieoee CeAl, Ce3Al11 ? Ce3Al iaeaaeaoue aei
EEN. Ia(?eoe aeine?aeaeaiue aeae?aeenue oaeei /eiii, uia iaoe
iiaeeea?noue aeyaeoe aieea cai?ie ?C-?iio ia ?icuaieaiiy iniiaiiai
ioeueoeieaoo a iaaeao ?cino?oeoo?ii? a?oie, ine?eueee ?ai?oa iaoiaeii
I?I aeine?aeaeoaaeinue e?enoae?/ia iiea a niieoeao PrxAly c aiaeia?/iith
oi/eiaith a?oiith neiao??? ?iio Pr3+.

Aeeiiaiiy ?iaioe ia?aaeaa/aei ae??oaiiy ?yaeo caaea/:

iaea?aeaiiy niaeo??a I?I ia niieoeao CexAly ? NdxAly;

i?iaaaeaiiy ia iniia? niaeo??a I?I ?ic?aooie?a oiiei? no?oeoo?e
iniiaiiai ioeueoeieaoo ?ii?a oea??th oa iaiaeeio a EAI aeine?aeaeoaaieo
niieoe;

aecia/aiiy aieeao ??ai?a EAI ia iae?ineii?/i? aeanoeaino? niieoe

CexAly ? NdxAly;

aeine?aeaeaiiy EON a niieoeao CexAly oa ?o aieeao ia iaai?oi?
aeanoeaino? oeeo EEN;

aeyaeaiiy aieeao s(f-aca?iiae?? ia EAI.

I a o e i a a i i a e c i a i ae a ? ae a i e o ? a c o e ue o a

?ii?a Nd3+ ? Ce3+ a ?ioa?iaoae?/ieo niieoeao Nd2Al, NdAl, Nd3Al11,
CeAl, Ce3Al11 c i?oi?iia?/iith ? Ce3Al c aaenaaiiaeueiith oi/eiaeie
a?oiaie neiao??? ?C-?iio.

Aia?oa aeey eiioeaio?iaaieo eiiaei-nenoai aeyaeaii oaiia?aoo?ia
ci?uaiiy ??ai?a EAI. Oeae aoaeo ia? i?noea a Ce3Al.

Aia?oa aenia?eiaioaeueii iieacaii ?nioaaiiy a Ce3Al aeaio oei?a EON (
iia?eueieo oa oaeaeeeo.

Aia?oa aenia?eiaioaeueii anoaiiaeaii, ui oeoeooaoe?? ni?io a CeAl,
Ce3Al11, Ce3Al coiiaeththoue ciaioaiiy iaai?oii? ni?eeiyoeeaino?.

Iaea?aeai? ?acoeueoaoe aeicaieythoue noi?ioethaaoe ?yae iniiaieo
iieiaeaiue:

Aaee/eia aia?a?? iiaiiai ?icuaieaiiy iniiaiiai ioeueoeieaoo ?C-?iio
c?inoa? c iiieaeaiiyi neiao??? EAI ? ca?eueoaiiyi oaeeueiaiai aaeoi?a
Oa?i? oa ciaioaii? iiaiiai iiiaioo e?eueeino? ?ooo.

Neeueia s(f-aca?iiae?y a eiioeaio?iaaieo eiiaei-nenoaiao ni?aaey?
“aioeae?aioth/ee” aieea ia EAI.

Eiiaeianuee? oeoeooaoe?? ni?io a EEN i?eaiaeyoue aei ciaioaiiy ?o
iaai?oii? ni?eeiyoeeaino?.

I a o e i a a ? i ? a e o e / i a c i a / e i ? n o ue.
Aenia?eiaioaeuei? ?acoeueoaoe, ye? iiaeathoueny a ?iaio?, a?aee?eaathoue
iia? ia?niaeoeae o aeei?enoaii? iaeo?iiii? niaeo?iiao???. Aiie
ni?eyoeiooue a?eueo aeeaieiio ?icoi?iith iniaeeainoae ?icuaieaiiy
iniiaiiai ioeueoeieaoo ?C-?iio a iaoaeao c i?oi?iia?/iith neiao???th EAI
? noai?aiith ?aae?noe/ii? oai??? e?enoae?/iiai iiey, a ye?e ae
a?aoiaoaaeenue eoeii?anueeee oa iai?iiee aianee aeaeo?ii?a i?ia?aeiino?,
ui ? oeaio?aeueiith i?iaeaiith o aea/aii? i?e?iaee EAI a iaoaeao.

Iaea?aeai? noaie ??ai?a iniiaiiai ioeueoeieaoo aeicaieythoue aeyaeoe
aieea EAI ia iae?ineii?/i? o?ce/i? aeanoeaino? aeine?aeaeoaaieo niieoe a
iaaeao ?cino?oeoo?ieo a?oi ? aei iaaii? i??e i?iaiicoaaoe oe?
aeanoeaino? i?e ?ic?iaoe? iiaeo iaoa??ae?a.

Aeyaeaiee aca?iiaieea aca?iiae?? 4f-aeaeo?ii?a c AI oa c EAI ?
iai?iiith aca?iiae??th i?ae ?C-?iiaie a EEN noeioethaaoeiooue iia?
aenia?eiaioaeuei? ?iaioe aeey nenoaiaoe/iiai aea/aiiy oeeo aoaeo?a.

I n i a e n o e e a i a n i e c ae i a o a a / a. Aaoi?
aeena?oaoe?eii? ?iaioe a?aa aaciina?aaeith o/anoue a ?ic?iaoe? oaie,
iinoaiiaoe? ? i?iaaaeaii? aenia?eiaio?a c I?I, ?ic?aooieao oa aiae?c?
iaea?aeaieo ?acoeueoao?a, oi?ioethaaii? aeniiae?a oa iaienaii? noaoae,
aeiiia?aeae, oac?a.

Aeine?aeaeoaaii? c?acee aoee aeaioiaeai? a Ee?anueeiio oi?aa?neoao? ?i.
Oa?ana Oaa/aiea.

Aenia?eiaioaeuei? aeine?aeaeaiiy ieoiii? oaiei?iiino? i?iaaaeaii a
Oaeai?iaenueeiio aea?aeaaiiio oi?aa?neoao?.

A i ? i a a oe ? y ? a c o e ue o a o ? a ae e n a ? o a oe ? ?.
Iniiai? ?acoeueoaoe ?iaioe aeiiia?aeaeenue ia ui??/ieo iaoeiaeo
eiioa?aioe?yo IOe “?ssAe” IAI Oe?a?ie (1994(1996??.); O? Ananithci?e
ia?aae? c aeei?enoaiiy iaeo?ii?a o aeine?aeaeaiiyo o?ceee oaa?aeiai o?ea
(Aao/eia, 1991?.); i?aeia?iaei?e eiioa?aioe?? “O?ceea a Oe?a?i?” (Ee?a,
1993?.); i?aeia?iaei?e eiioa?aioe?? “Aeaai?iaei? oa ??aee?niicaiaeuei?
iaoaee” (Aeiiaoeuee, 1994?.); i?aeia?iaeiiio nai?ia?? “O?ceea iaai?oieo
yaeu”, (Aeiiaoeuee, 1994?.).

I o a e ? e a oe ? ?. Ca iaoa??aeaie aeena?oaoe?? iioae?eiaaii 18
ae?oeiaaieo i?aoeue a ca?oa?aeieo, a?o/eciyieo aeo?iaeao, ca??ieeao ?
iaoa??aeao iaoeiaeo eiioa?aioe?e oa nai?ia??a. Nienie iniiaieo
ioae?eaoe?e iaaaaeaii a e?ioe? aaoi?aoa?aoo.

N o ? o e o o ? a o a i a ( ? i ? i a i o e. Aeena?oaoe?y
neeaaea?oueny ?c anooio, /ioe?ueio ?icae?e?a, aeniiae?a oa nieneo
aeei?enoaieo aeaea?ae, ui i?noeoue 196 iineeaiue. Aiia aeeeaaeaia ia 176
noi??ieao iaoeiiieniiai oaenoo, aeeth/ath/e 49 ?enoie?a ? 9 oaaeeoeue.

INIIAIEE CI?NO ?IAIOE

O anooi? ?ice?eaa?oueny noai i?iaeaie aeine?aeaeaiue, iaa?oioiao?oueny
aeooaeuei?noue oaie, oi?ioeth?oueny iaoa ? iniiai? caaea/? ?iaioe,
aecia/a?oueny ?? iiaecia oa i?aeoe/ia cia/ei?noue.

A ia?oiio ?icae?e? iiaea?oueny aeaiaioa?ia oai??y EAI, ei?ioei
?icaeyaeathoueny ?io? iiaeaeuei? oyaeaiiy i?i e?enoae?/ia iiea.

(cia?aaeaiiy. Inoaoi/ii aai?eueoii?ai EAI iaoeia aeaeyae

, (1)

(aea?aaeaioi? iia?aoi?e No?aaina;

(oaiiiaiieia?/i? ia?aiao?e EAI.

. *enei /eai?a a (1) a naith /a?ao iaiaaeo?oueny neiao???th
e?enoae?/iiai iiey. Cie?aia, i?e iayaiino? a?n? neiao??? ae?oaiai
ii?yaeeo oa oeaio?a ?iaa?n?? o ae?ac? (1) caeeoaoeiooueny o?eueee /eaie
c ia?ieie ?iaeaenaie n ? m. Oiio o aeiaaeeo aaenaaiiaeueii? oi/eiai?
a?oie neiao??? ?C-?iio ? J=5/2 (?ii Ce3+) aai?eueoii?ai (1) ia? aeaeyae

. (2)

C ia?aoiaeii aei EAI i?oi?iia?/ii? neiao???, /enei /eai?a a (1) i?e oiio
ae cia/aii? J c?inoa? aei i(yoe

. (3)

Aeey EAI oe??? ae neiao??? oa J=9/2 (?ii Nd3+) a aai?eueoii?ai? (1)
c(yaeythoueny ua /ioe?e /eaie oinoiai ii?yaeeo.

Aeaiaioa?ia oai??y EAI oe?iei aeei?enoiaoaaeanue aeey ?ioa?i?aoaoe??
aenia?eiaioaeueieo aeaieo, iaea?aeaieo aeey ?cieyoi??a. Canoinoaaiiy ??
aei iaoae?a cono??einue c iaaieie o?oaeiiuaie, iniiaieie c yeeo ?
ei?aeoia aecia/aiiy aianeo a iioaioe?ae EAI aeaeo?ii?a i?ia?aeiino?. A
oeueiio a?aeiioaii? nenoaiaoe/i? aenia?eiaioaeuei? aeine?aeaeaiiy a
?yaeo ?cino?oeoo?ieo a?oi ni?eyoeiooue noai?aiith oai??? EAI iaoae?a.

A ?icae?e? ?icaeyaea?oueny oaeiae iaoiae iai?oaeiiai ?icn?yiiy
iaeo?ii?a, iieacaii, ui aeaoaeueio ?ioi?iaoe?th i?i ??ai? EAI aea?
iiaea?eiee aeeoa?aioe?eiee ia?a??c (IAeI), iaea?aeaiee a aeeiieueiiio
iaaeeaeaii?

, (4)

(aaeoi? ?icn?yiiy;

) (iaai?oiee oi?ioaeoi?;

(=A0 (A1 (ci?ia aia?a?? iaeo?iia a i?ioean? ?icn?yiiy;

, A1 (oaeeueia? aaeoi?e oa aia?a?? iaaeath/iai ? ?icn?yiiai iaeo?ii?a
a?aeiia?aeii;

?o i?aoe?eie;

(nm=An(Em;

(ni?eeiyoeea?noue Eth?? m-ai ??aiy;

(ni?eeiyoeea?noue Aai-Oeaea, coiiaeaia ia?aoiaeaie i?ae ??aiyie EAI c
aia?a?yie An ? Em.

Aecia/athoueny oe? ni?eeiyoeeaino? ianooiiei /eiii

, (5)

, (6)

(oaeoi? canaeaiino? m-ai ??aiy;

.

iienothoue ?iia??i?noue ia?aoiae?a ?, ioaea, ?o ?ioaineai?noue.
Ii??aithth/e IAeI, ?ic?aoiaaiee ca (4) c aenia?eiaioaeueiei, iiaeia
aecia/eoe aia?a?? oa oaeeueia? ooieoe?? noai?a 4f-aeaeo?ii?a. A oeueiio
?icoi?ii? iaoiae I?I ? i?yiei iaoiaeii aeine?aeaeaiiy aia?aaoe/ii?
no?oeoo?e iniiaiiai ioeueoeieaoo ?C-?iio a EAI.

A ?icae?e? i?eaaaeaii ei?ioeee iaeyae ?acoeueoao?a aenia?eiaioaeueieo
aeine?aeaeaiue EAI iaoiaeii I?I a ?ioa?iaoae?/ieo niieoeao ?C-aeaiaio?a
c aethi?i??i. sse aeieeaa? c iaeyaeo, a a?eueoino? ?ia?o ia(?eoaie
aeine?aeaeaiue aoee niieoee c eoa?/iith oa aaenaaiiaeueiith neiao???th
e?enoae?/ii? a?aoee. A oie aea /an iaei aea/aii EAI c iecueeith
neiao???th.

A inoaii?o aeaio i?ae?icae?eao ia?oiai ?icae?eo ?icaeyiooi oa?aeoa?i?
aeanoeaino? eiioeaio?iaaieo eiiaei-nenoai oa ?acoeueoaoe iaeo?iiieo
aeine?aeaeaiue EON a EEN.

A ae?oaiio ?icae?e? iienothoueny aenia?eiaioaeuei? onoaiiaee, ia yeeo
i?iaiaeeeenue aeine?aeaeaiiy. Iniiai? ?acoeueoaoe aoee iaea?aeai? ia
aaaaoiaeaoaeoi?iiio niaeo?iiao?? ca /anii i?ieueioo, anoaiiaeaiiio ia
1-io ai?eciioaeueiiio eaiae? aoiiiiai ?aaeoi?a AA?-I IOe “?ssAe” IAI
Oe?a?ie. Aeey aoanoaoe?? c?ace?a aeine?aeaeoaaieo niieoe
aeei?enoiaoaaany o?ea?niee e?enoae?/iee niaeo?iiao? KSN(2, ?ici?uaiee ia
4-io ai?eciioaeueiiio eaiae? ?aaeoi?a AA?-I.

?ica(yco?oueny a?eiaa ??aiyiiy

,
(7)

(iao?e/i? aeaiaioe aai?eueoii?aio EAI a?aeiia?aeii? neiao??? a aacen?
oaeeueiaeo ooieoe?e ?C-?iio iacao?aiiai noaio;

I(i?iaeoe?y iiaiiai iiiaioo e?eueeino? ?ooo ia a?nue Z.

aeiaeaa?iinue caaeia?eueiiai ca?ao iaio niaeo??a. E?eoa???i i?e
oeueiio neoaeeoue na?aaei? eaaae?aoe/ia a?aeoeeaiiy ?ic?aooieiaiai
niaeo?a a?ae aenia?eiaioaeueiiai. Iaoiaeeea ?ic?aooie?a ?aae?ciaaia o
aeaeyae? iaeaoa oi?o?ai?anueeeo i?ia?ai.

Iienai? o?ce/i? ia?aiao?e ia(?eo?a aeine?aeaeaiue oa oaoiieia?y ?o
aeaioiaeaiiy.

?iio Nd3+ a niieoeao NdxAly i?iaiaeeeenue c aeei?enoaiiyi ae?aco aeey
IAeI (4), a yeiio aa?aoueny aei oaaae o?eueee aca?iiae?y 4f-aeaeo?ii?a c
EAI. I?enooi?noue aea a iaeo?iiieo niaeo?ao CexAly eaac?i?oaeieo e?i?e
na?ae/eoue i?i iayai?noue a oeeo niieoeao EON, ye? a naith /a?ao
iaoiiaeai? neeueiith aca?iiae??th 4f-aeaeo?ii?a c AI. Oiio ii
a?aeiioaiith aei oeeo niieoe ae?ac (4) aoa aeaui iiaeeo?eiaaiee

, (8)

aea A( ? ?(((,(() (?ioaineai?noue oa niaeo?aeueia ooieoe?y eaac?i?oaeii?
e?i??;

(( (oe?eia niaeo?aeueii? ooieoe?? ia iieiaei? aenioe.

aoee i?aeaiii/ieie ia?aiao?aie.

?en.1.Niaeo?e I?I ia Ce3Al. Oo?eoia? e?i?? 1 ? 2
(aianie eaac?i?oaeiiai

?icn?yiiy iaeo?ii?a; 3 (?icn?yiiy iaeo?ii?a ia oiiiiao.

((O1/2, aea ((aeayea iino?eia. Ii-ae?oaa, oea i?enooi?noue a niaeo?ao
oe??? niieoee, ia a?aei?io a?ae ?ioeo EEN, aeaio eaac?i?oaeieo e?i?e
(oo?eoia? e?i?? 1 ? 2 ia ?en.1), i?aoe?eie (( yeeo a?ae??ciythoueny
iaeaea ia ii?yaeie, ui aeaco? ia ?nioaaiiy a Ce3Al aeaio oei?a EON
(iia?eueieo ? oaeaeeeo c /anii ?aeaenaoe?? (/(1 ? (/(2 a?aeiia?aeii.

?iio Nd3+

a?aeiia?aeii niieoe CexAly ? NdxAly.

Iaea?aeai? ia iniia? iaeo?iiieo niaeo??a noaie ??ai?a iniiaiiai
ioeueoeieaoo a niieoeao NdxAly ? CexAly i?eaaaeai? ia ?en.2. Aa?o/e aei
oaaae iayaio ?ioi?iaoe?th aeey niieoe oea??th ? iaiaeeio c aethi?i??i c
eoa?/iith oa aaenaaiiaeueiith oi/eiaith a?oiith neiao??? ?C-?iio, iiaeia
noaa?aeaeoaaoe, ui aaee/eia aia?a?? iiaiiai ?icuaieaiiy c?inoa? i?e
iiieaeaii? neiao??? ? ciaioaii? iiaiiai iiiaioo J.

a?ae oaeeueiaeo

.

ni?aa?aeiioaiiyi

, (9)

aeieeaa?, ui a?aae??io VZZ ciaioo?oueny c ?inoii eiioeaio?aoe?? AI ne
i?e ia?aoiae? a?ae CeAl aei Ce3Al11 ? a?ae Nd2Al aei Nd3Al11. Iaiao?aeii
a?aecia/eoe, ui o niieoe NdxAly oey ci?ia a?aae??ioa caeeoa?oueny a
iaaeao aenia?eiaioaeueii? iioeaee.

A ?cino?oeoo?ieo ?yaeao REAl ? RE3Al11 (RE=Ce, Pr, Nd) eiioeaio?aoe?y
AI c?inoa? ia (2,3%, a VZZ i?e oeueiio ca?eueoo?oueny ia (44%. Oiaoi
aieea AI ia iioaioe?ae EAI ia caiaeeoueny o?eueee aei ae?aioaaiiy. Ooo,
i/aaeaeii, ia? i?noea ye i?yiee eoeii?anueeee oae ? iai?iiee aianee AI a
EAI ? ?o aaeain aecia/a? aaee/eio e?enoae?/iiai iiey.

?acoeueoaoe iaeo?iiieo aenia?eiaio?a aeicaieythoue aecia/eoe aianie
oiiei? no?oeoo?e a oaiei?ii?noue (oaiei?ii?noue Oiooe? NO) oa iaai?oio
ni?eeiyoeea?noue (ni?eeiyoeea?noue Aai-Oeaea) aeine?aeaeoaaieo niieoe.
Ia ?en.3 nooe?eueiith e?i??th iieacaia oaiia?aoo?ia caeaaei?noue
oaiei?iiino? Oiooe? NdAl, ?ic?aoiaaia ia iniia? noaie ??ai?a aia?a??
iniiaiiai ioeueoeieaoo. E?oaeee ( aenia?eiaioaeuei? cia/aiiy NO,
iaea?aeai? eaei?eiao?e/iei iaoiaeii. ?ic?aooieiaa oaiei?ii?noue Oiooe?,
ye aa/eii, aeia?a ocaiaeaeo?oueny c aenia?eiaioaeueiith, ui
i?aeoaa?aeaeo? aeecuee?noue iaea?aeaii? noaie ??ai?a aei ?aaeueii?.

?en.3.Oaiei?ii?noue Oiooe? niieoee NdAl.

Ii??aiyiiy ?ic?aooieiai? ni?eeiyoeeaino? c aenia?eiaioaeueiith aeey
niieoe CexAly aeicaieeei aeyaeoe aieea ia inoaiith EON.

O cae/aeieo 4f-iaoae?a iaai?oia ni?eeiyoeea?noue a iaaeeaeaii?
iieaeoey?iiai iiey iieno?oueny ae?acii

, (10)

aea (( (ni?eeiyoeea?noue nenoaie iaaca?iiae?th/eo ?C-?ii?a
(ni?eeiyoeea?noue Aai-Oeaea);

( (iino?eia iieaeoey?iiai iiey.

Ca?aeii c (10) iaa?iaia iaai?oia ni?eeiyoeea?noue 1/(((O) iiaeiia
i?ioiaeeoe ia?aeaeueii, aea o oa?iiaaiaoee?a aeua (oiaoi (>0), a o
aioeoa?iiaaiaoee?a ieae/a ((<0) aenia?eiaioaeueii? 1/((O). ?en.4. a (iaa?iaia iaai?oia ni?eeiyoeea?noue Ce3Al; a (oaiia?aoo?ia caeaaei?noue aoaeoeaiiai iaai?oiiai iiiaioo (eff ?iio Ce3+ a Ce3Al. , i?yio? aei ioey i?e O(0 (?en.4a), ui oa?aeoa?ii aeey iaiaai?oii? eiiaei-a?aoee (IEA). ?ioa?aniith oaeiae ? iiaaae?iea iaai?oii? ni?eeiyoeeaino? niieoe Ce3Al11 ? CeAl. Ia ?en.5a ? 6a iaaaaeaia oaiia?aoo?ia caeaaei?noue ?o iaa?iaii? ni?eeiyoeeaino?. sse ? o aeiaaeeo c Ce3Al, ooo 1/((O)>1/(((O).
I?ioa oea ia? i?noea eeoa aei iaaii? oaiia?aoo?e O(=15E o Ce3Al11 ? 70E
o CeAl, ieae/a yei? 1/((O)<1/(((O). E??i oiai, aeey iaio niieoe niinoa??aa?oueny a?aeoeeaiiy a?ae ia?aeaeueiiai oiaeo 1/((O) ? 1/(((O), ui ia aeicaiey? iienaoe ?o ae?acii (10). ?en.5. a (iaa?iaia iaai?oia ni?eeiyoeea?noue Ce3Al11; a (oaiia?aoo?ia caeaaei?noue aoaeoeaiiai iaai?oiiai iiiaioo (eff ?iio Ce3+ a Ce3Al11. ?en.6. a (iaa?iaia iaai?oia ni?eeiyoeea?noue CeAl; a (oaiia?aoo?ia caeaaei?noue aoaeoeaiiai iaai?oiiai iiiaioo (eff ?iio Ce3+ a CeAl. Ine?eueee Ce3Al11 ? CeAl i?e 10E ia?aoiaeyoue a?aeiia?aeii a oa?iiaai?oiee ? aioeoa?iiaai?oiee noai, oi oaeo iiaaae?ieo ?o ni?eeiyoeeaino? iiaeia iiynieoe eeoa aa?o/e aei oaaae s(f-aca?iiae?th. Aeieoaaiiy oe??? aca?iiae?? RKKY-aca?iiae??th ni?e/eiy? ia?ao?ae a?ae 1/((O)>1/(((O) aei 1/((O)<1/(((O). Oea aeineoue aeia?a i?iyaey?oueny a oaiia?aoo?i?e caeaaeiino? (eff. C iiieaeaiiyi oaiia?aoo?e, ye ? o Ce3Al, (eff ciaioo?oueny, aea aeinyaioaoe i?i?iaeueiiai cia/aiiy i?e Omin=25E o Ce3Al11 (aeea. ?en.5a) ? 80E o CeAl (?en.6a), ca?eueoo?oueny i?e iiaeaeueoiio cieaeaii? oaiia?aoo?e. Oaeei /eiii, oaiia?aoo?iee ?ioa?aae o oeeo niieoe ?icaeaa?oueny ia aea? /anoeie. A ia?o?e (O>Tmin) aoaeoeaiee iiiaio ia? oa?aeoa?io aeey IEA
iiaaae?ieo, oiaoi ooo aeii?io? s(f-aca?iiae?y. A ae?oa?e /anoei?
(O

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