Luminescent properties and stability of Eu²⁺ ions in SrBPO₅ and SrAl₂B₂O₇

Using the luminescence spectroscopy, the stability of Eu²⁺ ions in SrBPO₅ has been shown to exceed significantly that in SrAl₂B₂O₇. The luminescence spectrum of Eu²⁺ in SrBPO₅ and SrAl₂B₂O₇ consists of a broad band with a maximum at 390 and 490 nm, respectively. In contrast to SrBPO₅, the stabilizat...

Повний опис

Збережено в:
Бібліографічні деталі
Опубліковано в: :Functional Materials
Дата:2007
Автори: Pir, P.V., Dotsenko, V.P., Efryushina, N.P, Klimenko, Z.D.
Формат: Стаття
Мова:Англійська
Опубліковано: НТК «Інститут монокристалів» НАН України 2007
Онлайн доступ:https://nasplib.isofts.kiev.ua/handle/123456789/136439
Теги: Додати тег
Немає тегів, Будьте першим, хто поставить тег для цього запису!
Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Цитувати:Luminescent properties and stability of Eu²⁺ ions in SrBPO₅ and SrAl₂B₂O₇ / P.V. Pir, V.P. Dotsenko, N.P Efryushina, Z.D. Klimenko // Functional Materials. — 2007. — Т. 14, № 1. — С. 57-60. — Бібліогр.: 11 назв. — англ.

Репозитарії

Digital Library of Periodicals of National Academy of Sciences of Ukraine
_version_ 1859670485348909056
author Pir, P.V.
Dotsenko, V.P.
Efryushina, N.P
Klimenko, Z.D.
author_facet Pir, P.V.
Dotsenko, V.P.
Efryushina, N.P
Klimenko, Z.D.
citation_txt Luminescent properties and stability of Eu²⁺ ions in SrBPO₅ and SrAl₂B₂O₇ / P.V. Pir, V.P. Dotsenko, N.P Efryushina, Z.D. Klimenko // Functional Materials. — 2007. — Т. 14, № 1. — С. 57-60. — Бібліогр.: 11 назв. — англ.
collection DSpace DC
container_title Functional Materials
description Using the luminescence spectroscopy, the stability of Eu²⁺ ions in SrBPO₅ has been shown to exceed significantly that in SrAl₂B₂O₇. The luminescence spectrum of Eu²⁺ in SrBPO₅ and SrAl₂B₂O₇ consists of a broad band with a maximum at 390 and 490 nm, respectively. In contrast to SrBPO₅, the stabilization of Eu²⁺ ions in SrAl₂B₂O₇ requires an annealing in reducing medium. It is supposed that this is caused by the difference in the effectiveness of the excess charge compensating processes for Eu³⁺ which can be quantified by the formal volume per oxygen atom (V₀) in the compound structure.
first_indexed 2025-11-30T13:38:19Z
format Article
fulltext /XPLQHVFHQW�SURSHUWLHV�DQG�VWDELOLW\�RI�(X��LRQV�LQ�6U%32� DQG�6U$O�%�2�3�9�3LU��9�3�'RWVHQNR��1�3�(IU\XVKLQD��=�'�.OLPHQNR 2�%RJDWVN\�3K\VLFR�&KHPLFDO�,QVWLWXWH�� 1DWLRQDO�$FDGHP\�RI�6FLHQFHV�RI�8NUDLQH�� /XVWGRUIVND\D�5RDG�����������2GHVD��8NUDLQH 5HFHLYHG�-XO\��������� 8VLQJ� WKH� OXPLQHVFHQFH� VSHFWURVFRS\�� WKH� VWDELOLW\� RI� (X��� LRQV� LQ� 6U%32�� KDV� EHHQVKRZQ� WR� H[FHHG� VLJQLILFDQWO\� WKDW� LQ� 6U$O�%�2��� 7KH� OXPLQHVFHQFH� VSHFWUXP� RI� (X��� LQ6U%32�� DQG� 6U$O�%�2�� FRQVLVWV� RI� D� EURDG� EDQG� ZLWK� D� PD[LPXP� DW� ���� DQG� ���� QP�UHVSHFWLYHO\��,Q�FRQWUDVW�WR�6U%32���WKH�VWDELOL]DWLRQ�RI�(X���LRQV�LQ�6U$O�%�2��UHTXLUHV�DQDQQHDOLQJ�LQ�UHGXFLQJ�PHGLXP��,W�LV�VXSSRVHG�WKDW�WKLV�LV�FDXVHG�E\�WKH�GLIIHUHQFH�LQ�WKH HIIHFWLYHQHVV�RI�WKH�H[FHVV�FKDUJH�FRPSHQVDWLQJ�SURFHVVHV�IRU�(X���ZKLFK�FDQ�EH�TXDQWLILHG E\�WKH�IRUPDO�YROXPH�SHU�R[\JHQ�DWRP��92��LQ�WKH�FRPSRXQG�VWUXFWXUH� lË�º�ÈäÒ�ã äÒÓ˰�ËÓ�Óº®�°¹Ë}�¯º°}º¹ÒÒ�¹º}ÈÏÈÓº����º��°�º®�Òmº°� �ÒºÓºm�(X���m 6U%32�� °��˰�mËÓÓº� m©�Ë���Ëä� m�6U$O�%�2��� v¹Ë}�¯� ã äÒÓ˰�ËÓ�ÒÒ�(X��� m�6U%32�� Ò6U$O�%�2��¹¯Ë�°�Èmã«Ë��°º­º®��Ò¯º}� �¹ºãº°��°�äÈ}°Òä�äºä�¹¯Ò�����Ò�����Óä��°ºº��mË�°�mËÓÓº�� {� º�ãÒ�ÒË� º��6U%32�� �ã«� °�È­ÒãÒÏÈ�ÒÒ� ÒºÓºm�(X��� m�6U$O�%�2�� �¯Ë­�Ë�°«º�ÎÒ�� m� mº°°�ÈÓºmÒ�Ëã Óº®� °¯Ë�Ë�� �¯Ë�¹ºãÈ�ÈË�°«�� ��º� ª�º� º­�°ãºmãËÓº� ¯ÈÏãÒ�ÒËä� m ªÁÁË}�ÒmÓº°�Ò� ¹¯º�˰°ºm� }ºä¹ËÓ°È�ÒÒ� ÒÏ­©�º�Óº�º� Ïȯ«�È� (X���� }¯Ò�˯ÒËä� }º�º¯º® äºÎË��°ã�ÎÒ� �mËãÒ�ÒÓÈ�Áº¯äÈã Óº�º�º­�£äÈ��92���¹¯Ò²º�«�Ë�º°«�ÓÈ�º�ÒÓ�È�ºä�}Ò°�㺯º�È�m�°�¯�}��¯Ë�°ºË�ÒÓËÓÒ«� 7KH�HIIHFW�RI�FU\VWDO�VWUXFWXUH�RQ�VWDELOL� ]DWLRQ�RI�HOHPHQWV�LQ�D�SDUWLFXODU�HOHFWURQLF FRQILJXUDWLRQ��R[LGDWLRQ�VWDWH��LV�DPRQJ�WKH PRVW�LPSRUWDQW�LVVXHV�LQ�WKH�SK\VLFDO�FKHP� LVWU\� RI� LPSHUIHFW� FU\VWDOV�� ,W� LV� VXSSRVHG >�Ü�@� WKDW� LW� LV� MXVW� WKH� HOHPHQW� FRRUGLQD� WLRQ�SRO\KHGURQ�QDWXUH�WKDW�SOD\V�D�NH\�UROH GHILQLQJ�WKH�VWDELOLW\�RI�LWV�R[LGDWLRQ�VWDWH� L�H�� WKH� VWDELOLW\� RI� DQ� R[LGDWLRQ� VWDWH� GH� SHQGV�SULPDULO\�RQ�WKH�LQKHUHQW�IHDWXUHV�RI PHWDO�OLJDQG� ERQGV�� $� UHYLHZ� RI� FKHPLFDO DQG� SK\VLFDO� H[SHULPHQWDO� WHFKQLTXHV� XVHG WR� GHWHUPLQH� WKH� R[LGDWLRQ� VWDWH� RI� WUDQVL� WLRQ� PHWDOV� KDV� EHHQ� JLYHQ� LQ� >�@�� ,Q� WKH FDVH�RI� ODQWKDQLGH�FRPSRXQGV��WKH�PRVW� LQ� IRUPDWLYH�PHWKRG� LV� OXPLQHVFHQFH� VSHFWURV� FRS\�� VLQFH� WKH� DSSURSULDWH� FDOFXODWLRQ� DS� SURDFKHV� DQG� DQDO\VLV� SURFHGXUHV� DUH� ZHOO GHYHORSHG�� 2QH� GUDZEDFN� WR� OXPLQHVFHQFH VSHFWURVFRS\�LV�WKDW��LQ�FRQWUDVW�WR�FKHPLFDO PHWKRGV�� LW� DOORZV� RQO\� TXDOLWDWLYH� HYDOX� DWLRQ� RI� WKH� FRQFHQWUDWLRQ� UDWLR� RI� ODQWKD� QLGHV� EHLQJ� LQ� GLIIHUHQW� R[LGDWLRQ� VWDWHV� IRU�H[DPSOH��/Q���/Q��� 5HFHQWO\��VRPH�RI�XV�KDYH�IRXQG�WKDW�WKH VWDELOLW\�RI�/Q���LRQV��/Q� �(X��<E��LQFUHDVHV VLJQLILFDQWO\� LQ� WKH� VHTXHQFH� 6U��%2����6U�%�2����6U%�2��� 6U%�2���� 6U�%�2�O�; &O��%U����6U%�2�� >�@�� ,W� ZDV� VKRZQ� WKDWWKH� VWDELOLW\� RI� /Q��� LQ� VWURQWLXP� ERUDWHV GHSHQGV�RQ�WKH�ERUDWH�DQLRQV�VXUURXQGLQJ�LW DQG�RQ� WKH� HIIHFWLYHQHVV� RI� WKH�/Q��� H[FHVV FKDUJH� FRPSHQVDWLRQ�� ZKLFK� FDQ� EH� TXDQWL� ILHG�E\�WKH�IRUPDO�YROXPH�SHU�R[\JHQ�DWRP �92��� LQ�WKH�ERUDWH�VWUXFWXUH��92�FDQ�EH�GH�WHUPLQHG�DV� 92� �9�e�=Q� ��� ZKHUH�9�LV�WKH�XQLW�FHOO�YROXPH�RI�WKH�FRP� SRXQG��=�� WKH�QXPEHU�RI�IRUPXOD�XQLWV�SHU XQLW� FHOO�� DQG� Q�� WKH� QXPEHU� RI� R[\JHQ )XQFWLRQDO�0DWHULDOV�����1R��������� �������Û�,QVWLWXWH�IRU�6LQJOH�&U\VWDOV )XQFWLRQDO�PDWHULDOV������������� �� DWRPV�SHU�IRUPXOD�XQLW�RI�WKH�FRPSRXQG��,I WKH�VWUXFWXUDO�GDWD�DUH�XQNQRZQ��WKH�YDOXHV RI�92�FDQ�EH�GHWHUPLQHG�IURP�WKH�GHQVLWLHVRI�FRPSRXQGV�RU�VROLG�VROXWLRQV� :LWKLQ� WKH�VWURQWLXP�ERUDWH� IDPLO\�� WKH YDOXH� RI� 92� LQFUHDVHV� IURP� ������ c�� IRU 6U%�2�� WR� a��� c�� IRU� 6U�%�2��� 6U��%2���>�@�� ,W� LV� VXSSRVHG� WKDW� WKH�UHODWLYHO\� ODUJH 92� YDOXH� IRU� 6U�%�2��� 6U��%2���� SURPRWHVWKH�IRUPDWLRQ�DQG�GLIIXVLRQ�RI�WKH�LQWHUVWL� WLDO�R[\JHQ�DWRPV�DQG�WKHUHIRUH�UHGXFHV�WKH VWDELOLW\� RI� /Q��� LRQV� LQ� WKHVH� FRPSRXQGV� 7KH�SXUSRVH� RI� WKLV�ZRUN�ZDV� WR� VWXG\� WKH SRVVLELOLW\�WR�XVH�92�WR�SUHGLFW�WKH�VWDELOLW\RI� /Q��� LRQV� LQ� PRUH� FRPSOH[� VWURQWLXP FRPSRXQGV� 6WURQWLXP� ERURSKRVSKDWH� 6U%32�� �92� ������c��� DQG� D� FXELF� PRGLILFDWLRQ� �F�� RI VWURQWLXP� DOXPLQRERUDWH� 6U$O�%�2�� �92� ������c���ZHUH�XVHG�DV�WKH�LQYHVWLJDWLRQ�RE� MHFWV�� 6LQFH� 92� IRU� 6U$O�%�2�� LV� FORVH� WRWKRVH�IRU�6U�%�2��DQG�6U��%2�����WKH�VWDELO�LW\�RI�/Q���LRQV�LQ�6U$O�%�2���F��LV�H[SHFWHGWR� EH� ORZ�� 7KH� VPDOOHU� YDOXH� RI� 92� IRU6U%32�� HYLGHQFHV� D� KLJKHU� DWRPLF� SDFNLQJGHQVLW\� LQ� WKLV� FRPSRXQG�� ,W� DOORZV� RQH� WR H[SHFW� WKDW� WKH�/Q��� VWDELOLW\� LQ�6U%32�� LVUHODWLYHO\�KLJK� ,W� LV� ZLGHO\� DFFHSWHG� WKDW� WKH� FU\VWDO VWUXFWXUH� RI� 0%32�� LV� VLPLODU� WR� WKDW� RIPLQHUDO�VWLOOZHOOLWH�&H%2�6L2���GHVFULEHG�LQGHWDLO� LQ� >�@�� ,Q� WKH� FU\VWDO� VWUXFWXUH� RI &H%2�6L2���� HDFK� %2�� JURXS� LV� FRQQHFWHGZLWK�WZR�6L2��JURXSV�DQG�KDV�WZR�FRPPRQHGJHV� ZLWK� D� FHULXP� SRO\KHGURQ�� 7KH�&H�� LRQV� DUH� VXUURXQGHG� E\� QLQH� R[\JHQ� LRQV ZKLFK� EHORQJ� WR� WKH� ERURVLOLFDWH� UDGLFDO�� ,W LV� LPSRUWDQW� WR�QRWH� WKDW� LQ� WKH� VWLOOZHOOLWH VWUXFWXUH�� WKH� DQLRQV� RI� GLIIHUHQW� QDWXUH �6L2�� DQG� %2��� DUH� FRQQHFWHG� ZLWK� HDFKRWKHU� E\� R[\JHQ� EULGJHV�� 7KLV� LV� D� PRVW SURPLQHQW� VWUXFWXUDO� IHDWXUH� RI� VWLOOZHOOLWH �DQG� 6U%32��� WRR��� EHFDXVH� LQ� FRPSRXQGVZLWK� PL[HG� R[LGH� DQLRQV� WKH� DQLRQ� JURXSV RI�YDULRXV�QDWXUH�DUH�XVXDOO\�LVRODWHG��,W�LV DOVR�NQRZQ�WKDW�WKH� OXPLQHVFHQFH�VSHFWUXP RI� (X��� LRQV� LQ� 6U%32�� FRQVLVWV� RI� D� UHOD�WLYHO\�EURDG�EDQG�ZLWK�D�PD[LPXP�DW�OPD[� ���� QP�� ZKLFK� LV� GXH� WR� WKH� �I��G�o��I� WUDQVLWLRQ�>����@� ,W� LV� NQRZQ� WKDW� VWURQWLXP� DOXPLQRER� UDWH�6U$O�%�2��FU\VWDOOL]HV� LQ�WZR�PRGLILFD�WLRQV��QDPHO\�� D�KH[DJRQDO� �K��SKDVH�DQG�D FXELF� �F�� RQH� >����@�� 7KH� VWUXFWXUH� RI� KH[� DJRQDO� PRGLILFDWLRQ� FRQVLVWV� RI >$O�2�%2���@�±� OD\HUV� PDGH� XS� RI� FRUQHU�VKDULQJ� $O�2�� DQG� %2�� JURXSV�� 7KH� 6UDWRPV�� ORFDWHG� EHWZHHQ� WKHVH� OD\HUV�� DUH VXUURXQGHG� E\� VL[� R[\JHQ� DWRPV� DW� D� GLV� WDQFH�RI�������c�DQG�VL[�RQHV�DW�D�GLVWDQFH RI�������c� >��@�� 7KH� HPLVVLRQ� VSHFWUXP� RI (X��� LRQV� LQ� 6U$O�%�2�� �K�� VROLG� VROXWLRQVSUHSDUHG� LQ� D� +�� IORZ� FRQVLVWV� RI� D� EURDGEDQG� ZLWK� D� PD[LPXP� DW� OPD[� �����QP�ZKLFK� LV� GXH� WR� WKH� �I��G�o��I�� WUDQVLWLRQ >��@�� 7R� RXU� NQRZOHGJH�� WKH� GDWD� RQ� WKH FU\VWDO�VWUXFWXUH�DQG�OXPLQHVFHQW�SURSHUWLHV RI�6U$O�%�2���F��DUH�DEVHQW�LQ�OLWHUDWXUH�(X�GRSHG� 6U%32�� KDV� EHHQ� SUHSDUHG� E\VROLG�VWDWH� UHDFWLRQ�� 7KH� VWDUWLQJ� PDWHULDOV ZHUH� VSHFLDO� SXULW\� JUDGH� +�%2��� 6U&2��(X�12����P+�2� DQG� �1+���+32�� �FKHPLFDOSXULW\� JUDGH��� 7KH� EOHQGHG� UHDFWDQWV� ZHUH KHDWHG� DW�����&�IRU���K�DQG� WKHQ�DW�����& IRU���K�LQ�DLU��7R�SUHSDUH�6U$O�%�2�� �F��DF�WLYDWHG�ZLWK�(X�� VWRLFKLRPHWULF� DPRXQWV� RI VSHFLDO� SXULW\� JUDGH� 6U�12����� +�%2��$O�12�����+�2� DQG�(X�2�� ZHUH� GLVVROYHG� LQ+12�� �FKHPLFDO� SXULW\� JUDGH�� IROORZHG� E\HYDSRUDWLRQ� WR� GU\QHVV�� $IWHU� WKRURXJK JULQGLQJ� DQG� KRPRJHQL]DWLRQ�� WKH� PL[WXUH ZDV�KHDW�WUHDWHG�DW�����&�IRU����PLQ��$IWHU FRROLQJ�WR�URRP�WHPSHUDWXUH�DQG�KRPRJHQL� ]DWLRQ��WKH�PL[WXUH�ZDV�ILUHG�DJDLQ�DW����Ü ����&� IRU� ��� K�� ,Q� ERWK� FDVHV�� WKH� DPRXQW RI� (X�FRQWDLQLQJ� UHDJHQW� LQ� WKH� VWDUWLQJ PL[WXUH� FRUUHVSRQGHG� WR� D� ����� PROH� IUDF� WLRQ�RI�(X�LQ�WKH�ILQDO�SURGXFW� 7KH�V\QWKHVL]HG�VDPSOHV�ZHUH�FKHFNHG�E\ ;�UD\�GLIIUDFWLRQ� �;5'��XVLQJ�D�'521���� GLIIUDFWRPHWHU� RSHUDWHG�ZLWK�1L�ILOWHUHG�&X .D�UDGLDWLRQ��7KH�;5'�SDWWHUQV�RI�WKH�VDP�SOHV� DJUHHG� ZLWK� -&3'6� GDWD�� 1R�������� �6U%32���� 1R��������� �6U$O�%�2�� �°���� 1RLPSXULW\� SKDVHV� ZHUH� GHWHFWHG� ZLWKLQ� WKH SUHVHQW� H[SHULPHQWDO� VHQVLWLYLW\�� 7KH� OXPL� QHVFHQFH� HPLVVLRQ� DQG� H[FLWDWLRQ� VSHFWUD ZHUH�UHFRUGHG�IRU�O�!�����QP�XVLQJ�D�6'/�� VSHFWURPHWHU� HTXLSSHG� ZLWK� D� '.66K� ��� [HQRQ� DUF� ODPS�� 7KH� GLIIXVH� UHIOHFWDQFH VSHFWUD�ZHUH�UHFRUGHG�XVLQJ�D�3HUNLQ�(OPHU /$0%'$��� VSHFWURPHWHU��$OO� WKH�PHDVXUH� PHQWV�ZHUH�FDUULHG�RXW�DW�URRP�WHPSHUDWXUH� 7KH� OXPLQHVFHQFH� VSHFWUXP� RI� WKH 6U�±[(X[%32�� �[� ������� VROLG� VROXWLRQ� XSRQH[FLWDWLRQ� DW�OH[F� �����QP� LV�SUHVHQWHG� LQ)LJ����� 7KH� FKRLFH� RI� OH[F� LV� FDXVHG� E\� WKHIDFW� WKDW� ERWK�(X��� DQG�(X��� LRQV� VKRZ� DQ HIILFLHQW� OXPLQHVFHQFH� XSRQ� H[FLWDWLRQ� LQ WKLV�UHJLRQ��,W�LV�VHHQ�WKDW�LQ�WKH�VSHFWUXP� D�UHODWLYHO\�EURDG�EDQG�ZLWK�D�PD[LPXP�DW OPD[� ����� QP� SUHGRPLQDWHV�� ZKLFK� LV� GXHWR� WKH�(X��� �I��G�o��I�� WUDQVLWLRQ� >�@�� %H� VLGHV��WKHUH�LV�D�JURXS�RI�EDQGV�LQ�WKH����Ü ����QP�UDQJH�� ,W� LV� HYLGHQW�WKDW�WKHVH� IHD� 3�9�3LU�HW�DO����/XPLQHVFHQW�SURSHUWLHV�DQG�VWDELOLW\���� �� )XQFWLRQDO�PDWHULDOV������������� WXUHV� DUH� GXH� WR� WKH� �I�o��I� WUDQVLWLRQV� RI (X��� LRQV�� 7KH� PRVW� LQWHQVH� EDQGV� DW� ��� DQG� ���� QP� FRUUHVSRQG� WR� WKH� �'��o��)�WUDQVLWLRQ�� 7KH� H[FLWDWLRQ� VSHFWUXP� RI� WKLV OXPLQHVFHQFH� FRQVLVWV� RI� D� EURDG� EDQG� DW ���Ü���� QP�� ZKLFK� LV� FDXVHG� E\� D� FKDUJH WUDQVIHU� WUDQVLWLRQ� IURP�R[\JHQ��S� RUELWDOV WR��I��RUELWDOV�RI�(X��� LRQV��7KH�(X���OXPL� QHVFHQFH� �OPD[� ����� QP�� H[FLWDWLRQ� VSHF�WUXP� FRQVLVWV� RI� D� EURDG� EDQG� H[WHQGLQJ IURP�����QP�WR�����QP��,WV�PD[LPXP�LV�DW OPD[� ����� QP�� 7KLV� VSHFWUXP� FRUUHVSRQGVWR�WKDW�UHSRUWHG�LQ�>�@��7KXV��DV�FDQ�EH�VHHQ IURP� )LJ����� WKH� 6U�±[(X[%32�� �[� ������VROLG� VROXWLRQ�SUHSDUHG� LQ�DLU�FRQWDLQV�ERWK (X���DQG�(X���LRQV� )LJ����LOOXVWUDWHV�WKH�HIIHFW�RI�DGGLWLRQDO DQQHDOLQJ�LQ�D�UHGXFLQJ�DWPRVSKHUH��&2��DW ����&�IRU���K�RQ�WKH�OXPLQHVFHQFH�VSHFWUXP RI�6U�±[(X[$O�%�2���[� �������VROLG�VROXWLRQ�7KH� OXPLQHVFHQFH� VSHFWUXP� RI� WKH� DV� SUH� SDUHG� VDPSOH� �FXUYH� ��� FRQWDLQV� VHYHUDO JURXSV� RI� EDQGV� LQ� WKH� ���Ü����QP�UDQJH� FRUUHVSRQGLQJ� WR� WKH� �'��o��)M� WUDQVLWLRQVRI�(X����7KH�H[FLWDWLRQ�VSHFWUXP�RI�WKLV�OX� PLQHVFHQFH� �VHH�)LJ����� FXUYH���� FRQVLVWV�RI D� EURDG�� LQWHQVH� EDQG� ZLWK� D� PD[LPXP� DW OPD[|����QP�DQG�D�QXPEHU�RI� ORZHU� LQWHQ�VLW\� EDQGV� DW� ����� ����� ����� ����� DQG ���� QP�� ,W� LV� REYLRXV� WKDW� WKH� GRPLQDWLQJ EDQG� LV� GXH� WR� D� FKDUJH� WUDQVIHU� WUDQVLWLRQ IURP� R[\JHQ� �S� RUELWDOV� WR� �I�� RUELWDOV� RI (X��� LRQV�� ZKHUHDV� WKH� EDQGV� LQ� WKH� ���Ü ����QP�UHJLRQ�DUH�FDXVHG�E\�WKH��)��o��'���*����� �/��� �'��� �'�� WUDQVLWLRQV��1RWH� WKDWQR�FKDQJH�RI�WKH�VSHFWUXP�LV�REVHUYHG�ZKHQ YDU\LQJ�OH[F��,Q�RWKHU�ZRUGV��QR�HYLGHQFH�RI(X���OXPLQHVFHQFH�LQ�WKH�DV�SUHSDUHG�VDPSOH LV�IRXQG� $V�LV�VHHQ�IURP�)LJ�����DGGLWLRQDO�DQQHDO� LQJ� LQ� D� UHGXFLQJ� DWPRVSKHUH� UHVXOWV� LQ� D UHODWLYHO\� EURDG� EDQG� LQ� WKH� UDQJH� ���Ü ����QP�ZLWK�D�PD[LPXP�DW�OPD[�|�����QP LQ� WKH� OXPLQHVFHQFH� VSHFWUXP�� ZKLOH� WKH UHODWLYH� LQWHQVLW\� RI� WKH� EDQGV� DW� ���Ü ���� QP� UHGXFHV�� 7KH� H[FLWDWLRQ� VSHFWUXP IRU� WKH� OPD[� ����� QP� OXPLQHVFHQFH� �VHH)LJ�����FXUYH����FRQVLVWV�RI�WZR�EURDG�EDQGV ZLWK�PD[LPD�DW�����DQG�����QP��6LQFH�XQ� GRSHG�6U$O�%�2���°��KDV�QR�DEVRUSWLRQ�EDQGVLQ�WKLV�UHJLRQ��WKH�EDQGV�DW�����DQG�����QP VKRXOG� EH� DWWULEXWHG� WR� WKH� �I��o��I��G WUDQVLWLRQV�RI�(X���LRQV��6XFK�D�VSHFWUXP�LV W\SLFDO� IRU�(X��� LRQV� LQ�PDQ\� FU\VWDOV� DQG JODVVHV�DQG� LW�FDQ�EH�FRQVLGHUHG�DV�D�UHVXOW RI� WUDQVLWLRQV� IURP� WKH� �I���6����� JURXQGVWDWH� WR� WKH� HJ� DQG� W�J� FU\VWDO� ILHOG� FRPSR�QHQWV� RI� WKH� �I��G� FRQILJXUDWLRQ� RI� (X�� LRQV��7KXV��LW�IROORZV�IURP�)LJ����WKDW�DGGL� WLRQDO� DQQHDOLQJ� RI� WKH� DV�SUHSDUHG 6U�±[(X[$O�%�2���[� �������LQ�D�UHGXFLQJ�DW�PRVSKHUH� UHVXOWV� LQ� WKH� UHGXFWLRQ� RI� VRPH DPRXQW�RI�(X��� ,W� LV� WR� QRWH� DOVR� WKDW� WKH� PD[LPXP� RI WKH�(X����I��G�o��I��OXPLQHVFHQFH��OPD[��LQ6U$O�%�2�� �°�� LV� VKLIWHG� WRZDUGV� ORQJHUZDYHOHQJWKV�DV�FRPSDUHG�WR�WKDW�RI�KH[DJR� QDO�6U$O�%�2��PRGLILFDWLRQ��IRU�ZKLFK�OPD[� )LJ�����/XPLQHVFHQFH�VSHFWUXP�RI�6U�±[(X[%32��[� ������� VROLG� VROXWLRQ� XSRQ� H[FLWDWLRQ� DW OH[F� �����QP� )LJ����� ([FLWDWLRQ� VSHFWUD� RI�6U�±[(X[$O�%�2� �[� ������� IRU� WKH� OXPLQHVFHQFH� DW� OHP� ����QP�����DQG�����QP����� )LJ����� (IIHFW� RI� DGGLWLRQDO� DQQHDOLQJ� LQ� D UHGXFLQJ�DWPRVSKHUH�RI�&2�DW�����&�IRU���K RQ� WKH� OXPLQHVFHQFH� VSHFWUXP� RI 6U�±[(X[$O�%�2�� �[� ������� VROLG� VROXWLRQ� DWOH[F� ����� QP�� ����� DV�SUHSDUHG� VDPSOH�� �����UHGXFHG��VDPSOH� 3�9�3LU�HW�DO����/XPLQHVFHQW�SURSHUWLHV�DQG�VWDELOLW\���� )XQFWLRQDO�PDWHULDOV������������� �� ����QP�>��@��DQG�OLHV�EHWZHHQ�WKH�OPD[�YDO�XHV� IRU� 6U%�2�� ����� QP��� 6U�%�2�&O����� QP�� DQG� 6U��%2���� ����� QP�� 6U�0J�%2���������QP��>��@��,W�LV�NQRZQ�WKDWWKH� VSHFWUDO� SRVLWLRQ� RI� OPD[� GHSHQGVPDLQO\� RQ� WKH� LRQLFLW\� RI� WKH� PHWDO�OLJDQG ERQG� DQG� VSOLWWLQJ� RI� WKH� (X��� �I��G�FRQ� ILJXUDWLRQ�GXH�WR�FU\VWDO�ILHOG�>��@��,Q�YLHZ RI� ODFN� RI� WKH� GHWDLOHG� VWUXFWXUDO� GDWD� IRU 6U$O�%�2���°��LW�LV�LPSRVVLEOH�WR�GHWHUPLQH�QRZWKH� IDFWRUV� FDXVLQJ� WKH� OPD[� VKLIW� WR� ORQJHUZDYHOHQJWKV� ZKHQ� SDVVLQJ� IURP� KH[DJRQDO PRGLILFDWLRQ�RI�6U$O�%�2��WR�FXELF�RQH�)URP�WKH�UHVXOWV�SUHVHQWHG��RQH�FDQ�FRQ� FOXGH�WKDW��LQ�FRQWUDVW�WR�6U%32���WKH�VWDEL�OL]DWLRQ� RI� (X��� LRQV� LQ� 6U$O�%�2�� �F�� UH�TXLUHV� D� UHGXFLQJ� DWPRVSKHUH�� L�H�� WKH� VWD� ELOLW\�RI�(X���LRQV�LQ�6U$O�%�2���F�� LV�ORZHUWKDQ� LQ� 6U%32��� 7KLV� FDQ� EH� H[SODLQHG� E\WKH� GLIIHUHQFH� LQ� WKH� HIIHFWLYHQHVV� RI� WKH FKDUJH� FRPSHQVDWLQJ� PHFKDQLVP� IRU� (X��� ZKLFK� FDQ� EH�TXDQWLILHG� E\� WKH� IRUPDO�YRO� XPH�SHU�R[\JHQ�DWRP��92��LQ�WKH�FRPSRXQG VWUXFWXUH�� 7KH� OXPLQHVFHQFH� VSHFWUXP� RI (X��� LRQV� LQ� 6U$O�%�2�� �F�� FRQVLVWV� RI� DEURDG� EDQG� ZLWK� D� PD[LPXP� DW� ���� QP� ZKLFK�LV�GXH�WR�WKH��I��G�o��I��WUDQVLWLRQ� 5HIHUHQFHV � ���<X�0�.LVHOHY��=K��1HRUJ��.KLP������������������ � ���<X�0�.LVHOHY�� <X�'�7UHW\DNRY�� 8VS��.KLP�� ��������������� � ���<X�0�.LVHOHY��=K��1HRUJ��.KLP������������������ � ���<X�0�.LVHOHY��=K��1HRUJ��.KLP������������������� � ���3�9�3LU��9�3�'RWVHQNR��1�3�(IU\XVKLQD�HW�DO�� ,QRUJ��0DWHU������������������ � ���$�$�9RURQNRY�� <X�$�3\DWHQNR�� .ULVWDOOR� JUDIL\D����������������� � ���4�6X�� +�/LDQJ�� 7�+X� HW� DO��� -��$OOR\V��&RPS�� ���������������� � ���$�.DUWKLNH\DQL�� 5�-DJDQQDWKDQ�� -��/XPLQHV� FHQFH���������������� � ���-�)�0DF'RZHOO�� -��$P��&HUDP��6RF��� ���� ���� ������� ����)�/XFDV��6�-DXOPHV��0�4XDUWRQ�HW�DO���-��3K\V� &KHP��6ROLGV������������������ ���3�'RUHQGRV��-��/XPLQHVFHQFH������������������ � äLÓ˰�ËÓ�ÓL�mãȰ�Òmº°�L��È�°�L®}L°� �LºÓLm�(X����6U%32��L�6U$O�%�2���{��L¯��{���iº�ËÓ}º��s����Á¯ �ÒÓÈ��~�i�zãLäËÓ}º lË�º�ÈäÒ�ã äLÓ˰�ËÓ�Óº��°¹Ë}�¯º°}º¹L��¹º}ÈÏÈÓº���º�°�L®}L°� �LºÓLm�(X�����6U%32�L°�º�Óº� mÒ�È��ÓLÎ���6U$O�%�2���v¹Ë}�¯�ã äLÓ˰�ËÓ�L�� LºÓLm�(X��� ��6U%32�� L�6U$O�%�2�«m㫼�°º­º ��Ò¯º}��°ä����Ï�äÈ}°Òä�äºä�mL�¹ºmL�Óº�¹¯Ò�����L�����Óä��sÈ�mL�äLÓ��mL� 6U%32����ã«�°�È­LãLÏÈ�L�� LºÓLm�(X�����6U$O�%�2��¹º�¯L­ËÓ�m��¹Èã���mL�Óºmã �ºä��°Ë¯Ë��ºmÒ�L���¯Ò¹�°}ȼ� °«���º��Ë�º­�äºmãËÓº�mL�äLÓÓº°�«äÒ���ËÁË}�ÒmÓº°�L�¹¯º�˰Lm�}ºä� ¹ËÓ°È�L��ÓÈ�ãÒ�}ºmº�º�Ïȯ«���(X����}¯Ò�˯L¼ä�«}º��äºÎË�°ã�ÎÒ�Ò�mËãÒ�ÒÓÈ�Áº¯äÈã � Óº�º�º­�¼ä���92���ÓÈ�º�ÒÓ�È�ºä�}Ò°Ó ���°�¯�}��¯L�°¹ºã�}Ò� ���� 3�9�3LU�HW�DO����/XPLQHVFHQW�SURSHUWLHV�DQG�VWDELOLW\���� �� )XQFWLRQDO�PDWHULDOV�������������
id nasplib_isofts_kiev_ua-123456789-136439
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
issn 1027-5495
language English
last_indexed 2025-11-30T13:38:19Z
publishDate 2007
publisher НТК «Інститут монокристалів» НАН України
record_format dspace
spelling Pir, P.V.
Dotsenko, V.P.
Efryushina, N.P
Klimenko, Z.D.
2018-06-16T12:26:47Z
2018-06-16T12:26:47Z
2007
Luminescent properties and stability of Eu²⁺ ions in SrBPO₅ and SrAl₂B₂O₇ / P.V. Pir, V.P. Dotsenko, N.P Efryushina, Z.D. Klimenko // Functional Materials. — 2007. — Т. 14, № 1. — С. 57-60. — Бібліогр.: 11 назв. — англ.
1027-5495
https://nasplib.isofts.kiev.ua/handle/123456789/136439
Using the luminescence spectroscopy, the stability of Eu²⁺ ions in SrBPO₅ has been shown to exceed significantly that in SrAl₂B₂O₇. The luminescence spectrum of Eu²⁺ in SrBPO₅ and SrAl₂B₂O₇ consists of a broad band with a maximum at 390 and 490 nm, respectively. In contrast to SrBPO₅, the stabilization of Eu²⁺ ions in SrAl₂B₂O₇ requires an annealing in reducing medium. It is supposed that this is caused by the difference in the effectiveness of the excess charge compensating processes for Eu³⁺ which can be quantified by the formal volume per oxygen atom (V₀) in the compound structure.
en
НТК «Інститут монокристалів» НАН України
Functional Materials
Luminescent properties and stability of Eu²⁺ ions in SrBPO₅ and SrAl₂B₂O₇
Люмінесцентні властивості та стійкість іонів Eu²⁺ у SrBPO₅ та SrAl₂B₂O₇
Article
published earlier
spellingShingle Luminescent properties and stability of Eu²⁺ ions in SrBPO₅ and SrAl₂B₂O₇
Pir, P.V.
Dotsenko, V.P.
Efryushina, N.P
Klimenko, Z.D.
title Luminescent properties and stability of Eu²⁺ ions in SrBPO₅ and SrAl₂B₂O₇
title_alt Люмінесцентні властивості та стійкість іонів Eu²⁺ у SrBPO₅ та SrAl₂B₂O₇
title_full Luminescent properties and stability of Eu²⁺ ions in SrBPO₅ and SrAl₂B₂O₇
title_fullStr Luminescent properties and stability of Eu²⁺ ions in SrBPO₅ and SrAl₂B₂O₇
title_full_unstemmed Luminescent properties and stability of Eu²⁺ ions in SrBPO₅ and SrAl₂B₂O₇
title_short Luminescent properties and stability of Eu²⁺ ions in SrBPO₅ and SrAl₂B₂O₇
title_sort luminescent properties and stability of eu²⁺ ions in srbpo₅ and sral₂b₂o₇
url https://nasplib.isofts.kiev.ua/handle/123456789/136439
work_keys_str_mv AT pirpv luminescentpropertiesandstabilityofeu2ionsinsrbpo5andsral2b2o7
AT dotsenkovp luminescentpropertiesandstabilityofeu2ionsinsrbpo5andsral2b2o7
AT efryushinanp luminescentpropertiesandstabilityofeu2ionsinsrbpo5andsral2b2o7
AT klimenkozd luminescentpropertiesandstabilityofeu2ionsinsrbpo5andsral2b2o7
AT pirpv lûmínescentnívlastivostítastíikístʹíoníveu2usrbpo5tasral2b2o7
AT dotsenkovp lûmínescentnívlastivostítastíikístʹíoníveu2usrbpo5tasral2b2o7
AT efryushinanp lûmínescentnívlastivostítastíikístʹíoníveu2usrbpo5tasral2b2o7
AT klimenkozd lûmínescentnívlastivostítastíikístʹíoníveu2usrbpo5tasral2b2o7