Effects of high-temperature annealing on structural and optical properties of highly ordered porous alumina membranes
We report on the structural and optical properties of highly ordered porous alumina membranes (PAMs) under different annealing temperatures up to 1100 ° C . Clear structural transition from amorphous to γ - and then to α - Al 2 O 3 has been demonstrated in PAMs through x-ray diffraction and micro-Ra...
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| Veröffentlicht in: | Applied physics letters 2004-11, Vol.85 (19), p.4364-4366 |
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| container_title | Applied physics letters |
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| creator | Xu, W. L. Zheng, M. J. Wu, S. Shen, W. Z. |
| description | We report on the structural and optical properties of highly ordered porous alumina membranes (PAMs) under different annealing temperatures up to
1100
°
C
. Clear structural transition from amorphous to
γ
- and then to
α
-
Al
2
O
3
has been demonstrated in PAMs through x-ray diffraction and micro-Raman scattering measurements. The crystallization of the PAMs under an annealing temperature above
800
°
C
results in the appearance of two absorption structures in the transmission spectra ranging from
1500
to
1700
cm
−
1
due to the formation of stable carboxylic impurities. We have presented convincing evidence that the blue photoluminescence band in PAMs originates from the coactions of the singly ionized oxygen vacancies (
F
+
centers) and the luminescent centers transformed from oxalic impurities. |
| doi_str_mv | 10.1063/1.1815072 |
| format | Article |
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1100
°
C
. Clear structural transition from amorphous to
γ
- and then to
α
-
Al
2
O
3
has been demonstrated in PAMs through x-ray diffraction and micro-Raman scattering measurements. The crystallization of the PAMs under an annealing temperature above
800
°
C
results in the appearance of two absorption structures in the transmission spectra ranging from
1500
to
1700
cm
−
1
due to the formation of stable carboxylic impurities. We have presented convincing evidence that the blue photoluminescence band in PAMs originates from the coactions of the singly ionized oxygen vacancies (
F
+
centers) and the luminescent centers transformed from oxalic impurities.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>DOI: 10.1063/1.1815072</identifier><identifier>CODEN: APPLAB</identifier><language>eng</language><publisher>American Institute of Physics</publisher><ispartof>Applied physics letters, 2004-11, Vol.85 (19), p.4364-4366</ispartof><rights>2004 American Institute of Physics</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c350t-a816949248d82308b46324c19e4e23a08333d8e0f8165536f5b2cc7d0a5b674d3</citedby><cites>FETCH-LOGICAL-c350t-a816949248d82308b46324c19e4e23a08333d8e0f8165536f5b2cc7d0a5b674d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,781,785,27929,27930</link.rule.ids></links><search><creatorcontrib>Xu, W. L.</creatorcontrib><creatorcontrib>Zheng, M. J.</creatorcontrib><creatorcontrib>Wu, S.</creatorcontrib><creatorcontrib>Shen, W. Z.</creatorcontrib><title>Effects of high-temperature annealing on structural and optical properties of highly ordered porous alumina membranes</title><title>Applied physics letters</title><description>We report on the structural and optical properties of highly ordered porous alumina membranes (PAMs) under different annealing temperatures up to
1100
°
C
. Clear structural transition from amorphous to
γ
- and then to
α
-
Al
2
O
3
has been demonstrated in PAMs through x-ray diffraction and micro-Raman scattering measurements. The crystallization of the PAMs under an annealing temperature above
800
°
C
results in the appearance of two absorption structures in the transmission spectra ranging from
1500
to
1700
cm
−
1
due to the formation of stable carboxylic impurities. We have presented convincing evidence that the blue photoluminescence band in PAMs originates from the coactions of the singly ionized oxygen vacancies (
F
+
centers) and the luminescent centers transformed from oxalic impurities.</description><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><recordid>eNp1kLFOwzAQhi0EEqUw8AZeGVLsXJw4CxKqSkGqxAKz5Tjn1iiJI9sZ-vakasXGdHe_Pv3SfYQ8crbirIRnvuKSC1blV2TBWVVlwLm8JgvGGGRlLfgtuYvxZz5FDrAg08ZaNClSb-nB7Q9Zwn7EoNMUkOphQN25YU_9QGMKk5lj3c15S_2YnJn3MfiZTw7_Kroj9aHFgC0dffBTpLqbejdo2mPfBD1gvCc3VncRHy5zSb7fNl_r92z3uf1Yv-4yA4KlTEte1kWdF7KVOTDZFCXkheE1FpiDZhIAWonMzpwQUFrR5MZULdOiKauihSV5Ovea4GMMaNUYXK_DUXGmTr4UVxdfM_tyZqNxSSfnh__hizTlrTp9rE7S4BeRdnQQ</recordid><startdate>20041108</startdate><enddate>20041108</enddate><creator>Xu, W. L.</creator><creator>Zheng, M. J.</creator><creator>Wu, S.</creator><creator>Shen, W. Z.</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20041108</creationdate><title>Effects of high-temperature annealing on structural and optical properties of highly ordered porous alumina membranes</title><author>Xu, W. L. ; Zheng, M. J. ; Wu, S. ; Shen, W. Z.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c350t-a816949248d82308b46324c19e4e23a08333d8e0f8165536f5b2cc7d0a5b674d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xu, W. L.</creatorcontrib><creatorcontrib>Zheng, M. J.</creatorcontrib><creatorcontrib>Wu, S.</creatorcontrib><creatorcontrib>Shen, W. Z.</creatorcontrib><collection>CrossRef</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xu, W. L.</au><au>Zheng, M. J.</au><au>Wu, S.</au><au>Shen, W. Z.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of high-temperature annealing on structural and optical properties of highly ordered porous alumina membranes</atitle><jtitle>Applied physics letters</jtitle><date>2004-11-08</date><risdate>2004</risdate><volume>85</volume><issue>19</issue><spage>4364</spage><epage>4366</epage><pages>4364-4366</pages><issn>0003-6951</issn><eissn>1077-3118</eissn><coden>APPLAB</coden><abstract>We report on the structural and optical properties of highly ordered porous alumina membranes (PAMs) under different annealing temperatures up to
1100
°
C
. Clear structural transition from amorphous to
γ
- and then to
α
-
Al
2
O
3
has been demonstrated in PAMs through x-ray diffraction and micro-Raman scattering measurements. The crystallization of the PAMs under an annealing temperature above
800
°
C
results in the appearance of two absorption structures in the transmission spectra ranging from
1500
to
1700
cm
−
1
due to the formation of stable carboxylic impurities. We have presented convincing evidence that the blue photoluminescence band in PAMs originates from the coactions of the singly ionized oxygen vacancies (
F
+
centers) and the luminescent centers transformed from oxalic impurities.</abstract><pub>American Institute of Physics</pub><doi>10.1063/1.1815072</doi><tpages>3</tpages></addata></record> |
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| ispartof | Applied physics letters, 2004-11, Vol.85 (19), p.4364-4366 |
| issn | 0003-6951 1077-3118 |
| language | eng |
| recordid | cdi_crossref_primary_10_1063_1_1815072 |
| source | AIP Journals Complete; AIP Digital Archive |
| title | Effects of high-temperature annealing on structural and optical properties of highly ordered porous alumina membranes |
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