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http://hdl.handle.net/1942/937
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DC Field | Value | Language |
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dc.contributor.author | PAGNAER, John | - |
dc.contributor.author | HARDY, An | - |
dc.contributor.author | MONDELAERS, Dirk | - |
dc.contributor.author | VANHOYLAND, Geert | - |
dc.contributor.author | D'HAEN, Jan | - |
dc.contributor.author | VAN BAEL, Marlies | - |
dc.contributor.author | VAN DEN RUL, Heidi | - |
dc.contributor.author | MULLENS, Jules | - |
dc.date.accessioned | 2006-04-06T08:36:49Z | - |
dc.date.available | 2006-04-06T08:36:49Z | - |
dc.date.issued | 2005 | - |
dc.identifier.citation | Materials Science and Engineering B, 118(1-3). p. 79-83 | - |
dc.identifier.issn | 0921-5107 | - |
dc.identifier.uri | http://hdl.handle.net/1942/937 | - |
dc.description.abstract | This paper reports on the spin deposition of LSCO thin films on a SiO2/Si substrate by a new aqueous solution-gel route. Stable and monometallic precursor solutions are prepared from common and inexpensive oxides or hydroxides. The aqueous La3+ precursor is synthesized by reaction of La2O3 with citric acid. In order to prepare an aqueous Sr2+ precursor Sr(OH)(2) is complexed by EDTA. The new peroxo citrato CO2+ precursor is synthesized by reaction of Co(OH)(2) with hydrogen peroxide in an aqueous solution of citric acid. Mixing the individual precursors in stoichiometric quantities results in a clear and stable aqueous LSCO precursor solution. Evaporation of water transforms this solution in an amorphous gel that is homogeneous down to nanometer scale. In situ high temperature X-ray diffraction analysis of the gel reveals that phase pure LSCO powder is formed at 550 degrees C without detection of any intermediate crystalline phase. Spin deposition and crystallization at 625 degrees C in pure O-2 of this aqueous precursor solution resulted in a phase pure conductive LSCO thin film. The sheet resistance of this thin film amounted to 235 ohm/sq. Since the thickness of the film is 120 nm, the specific resistivity was calculated to be 2.8 m ohm cm at room temperature. | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER SCIENCE SA | - |
dc.subject.other | Metal Oxide nanomaterials | - |
dc.subject.other | Physical Analysis and Characterisation | - |
dc.title | Preparation of La0.5Sr0.5CoO3 powders and thin film from a new aqueous solution gel precursor | - |
dc.type | Journal Contribution | - |
dc.identifier.epage | 83 | - |
dc.identifier.issue | 1-3 | - |
dc.identifier.spage | 79 | - |
dc.identifier.volume | 118 | - |
local.bibliographicCitation.jcat | A1 | - |
local.type.refereed | Refereed | - |
local.type.specified | Article | - |
dc.bibliographicCitation.oldjcat | A1 | - |
dc.identifier.doi | 10.1016/j.mseb.2004.12.017 | - |
dc.identifier.isi | 000228514800018 | - |
item.accessRights | Closed Access | - |
item.contributor | PAGNAER, John | - |
item.contributor | HARDY, An | - |
item.contributor | MONDELAERS, Dirk | - |
item.contributor | VANHOYLAND, Geert | - |
item.contributor | D'HAEN, Jan | - |
item.contributor | VAN BAEL, Marlies | - |
item.contributor | VAN DEN RUL, Heidi | - |
item.contributor | MULLENS, Jules | - |
item.fulltext | No Fulltext | - |
item.fullcitation | PAGNAER, John; HARDY, An; MONDELAERS, Dirk; VANHOYLAND, Geert; D'HAEN, Jan; VAN BAEL, Marlies; VAN DEN RUL, Heidi & MULLENS, Jules (2005) Preparation of La0.5Sr0.5CoO3 powders and thin film from a new aqueous solution gel precursor. In: Materials Science and Engineering B, 118(1-3). p. 79-83. | - |
item.validation | ecoom 2006 | - |
crisitem.journal.issn | 0921-5107 | - |
crisitem.journal.eissn | 1873-4944 | - |
Appears in Collections: | Research publications |
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