Phase stability and interfacial structures in the SrO-SrTiO3 system
The phase stability of the subsolidus region in the composition regime SrO-SrTiO 3 has been studied using a combination of atomistic computer simulation techniques and high-resolution electron microscopy (HREM). Both predictions from atomistic calculations and HREM observations suggest that at low c...
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| Veröffentlicht in: | Philosophical magazine. A, Physics of condensed matter. Defects and mechanical properties Physics of condensed matter. Defects and mechanical properties, 1997-03, Vol.75 (3), p.833-846 |
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| container_title | Philosophical magazine. A, Physics of condensed matter. Defects and mechanical properties |
| container_volume | 75 |
| creator | Mccoy, Michael A. Grimes, Robin W. Lee, William E. |
| description | The phase stability of the subsolidus region in the composition regime SrO-SrTiO
3
has been studied using a combination of atomistic computer simulation techniques and high-resolution electron microscopy (HREM). Both predictions from atomistic calculations and HREM observations suggest that at low concentrations (less than 50mol% excess SrO), strontium-rich non-stoichiometry is accommodated by formation of a specific Ruddlesden-Popper defect phase (Sr
3
Ti
2
O
7
) with overall composition maintained by a coherent intergrowth of Sr
3
Ti
2
O
7
and SrTiO
3
phases. A model is proposed for the atomic structure of the Sr
3
Ti
2
O
7
-SrTiO
3
interface. |
| doi_str_mv | 10.1080/01418619708207205 |
| format | Article |
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3
has been studied using a combination of atomistic computer simulation techniques and high-resolution electron microscopy (HREM). Both predictions from atomistic calculations and HREM observations suggest that at low concentrations (less than 50mol% excess SrO), strontium-rich non-stoichiometry is accommodated by formation of a specific Ruddlesden-Popper defect phase (Sr
3
Ti
2
O
7
) with overall composition maintained by a coherent intergrowth of Sr
3
Ti
2
O
7
and SrTiO
3
phases. A model is proposed for the atomic structure of the Sr
3
Ti
2
O
7
-SrTiO
3
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3
has been studied using a combination of atomistic computer simulation techniques and high-resolution electron microscopy (HREM). Both predictions from atomistic calculations and HREM observations suggest that at low concentrations (less than 50mol% excess SrO), strontium-rich non-stoichiometry is accommodated by formation of a specific Ruddlesden-Popper defect phase (Sr
3
Ti
2
O
7
) with overall composition maintained by a coherent intergrowth of Sr
3
Ti
2
O
7
and SrTiO
3
phases. A model is proposed for the atomic structure of the Sr
3
Ti
2
O
7
-SrTiO
3
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3
has been studied using a combination of atomistic computer simulation techniques and high-resolution electron microscopy (HREM). Both predictions from atomistic calculations and HREM observations suggest that at low concentrations (less than 50mol% excess SrO), strontium-rich non-stoichiometry is accommodated by formation of a specific Ruddlesden-Popper defect phase (Sr
3
Ti
2
O
7
) with overall composition maintained by a coherent intergrowth of Sr
3
Ti
2
O
7
and SrTiO
3
phases. A model is proposed for the atomic structure of the Sr
3
Ti
2
O
7
-SrTiO
3
interface.</abstract><cop>London</cop><pub>Taylor & Francis Group</pub><doi>10.1080/01418619708207205</doi><tpages>14</tpages></addata></record> |
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| identifier | ISSN: 0141-8610 |
| ispartof | Philosophical magazine. A, Physics of condensed matter. Defects and mechanical properties, 1997-03, Vol.75 (3), p.833-846 |
| issn | 0141-8610 1460-6992 |
| language | eng |
| recordid | cdi_proquest_journals_1750813059 |
| source | Periodicals Index Online; Taylor & Francis:Master (3349 titles) |
| title | Phase stability and interfacial structures in the SrO-SrTiO3 system |
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