Well Engineering

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R W Martin - One of the best experts on this subject based on the ideXlab platform.

  • Cathodoluminescence hyperspectral images of InGaN/GaN core-shell nanorod structures
    2020
    Co-Authors: C G Bryce, P R Edwards, R W Martin
    Abstract:

    These data cubes represent the results of carrying out cathodoluminescence hyperspectral imaging on a set of InGaN/GaN core shell nanostructures, grown at the University of Bath using a range of growth temperatures and pressures. Details of the samples are given in Sample_details.txt, details of the measurements in Measurement_details.txt, and a description of the proprietary file format in File_formats.txt. Further analysis and interpretation of this data is presented in the associated journal article: C. G. Bryce et al, "Quantum Well Engineering in InGaN/GaN core-shell nanorod structures", J. Phys. D: Appl. Phys. (2017).

  • quantum Well Engineering in ingan gan core shell nanorod structures
    Journal of Physics D, 2017
    Co-Authors: C G Bryce, E Le D Boulbar, Pierremarie Coulon, P R Edwards, Ionut Girgel, Duncan W E Allsopp, P A Shields, R W Martin
    Abstract:

    We report the ability to control relative InN incorporation in InGaN/GaN quantum Wells (QWs) grown on the semi-polar and non-polar facets of a core-shell nanorod LED structure by varying the growth conditions. A study of the cathodoluminescence emitted from series of structures with different growth temperatures and pressures for the InGaN QW layer revealed that increasing the growth pressure had the effect of increasing InN incorporation on the semi-polar facets, while increasing the growth temperature improves the uniformity of light emission from the QWs on the non-polar facets.

  • Quantum Well Engineering in InGaN/GaN core-shell nanorod structures
    Journal of Physics D, 2017
    Co-Authors: C G Bryce, E Le D Boulbar, Pierremarie Coulon, P R Edwards, Ionut Girgel, Duncan W E Allsopp, P A Shields, R W Martin
    Abstract:

    We report the ability to control relative InN incorporation in InGaN/GaN quantum Wells (QWs) grown on the semi-polar and non-polar facets of a core-shell nanorod LED structure by varying the growth conditions. A study of the cathodoluminescence emitted from series of structures with different growth temperatures and pressures for the InGaN QW layer revealed that increasing the growth pressure had the effect of increasing InN incorporation on the semi-polar facets, while increasing the growth temperature improves the uniformity of light emission from the QWs on the non-polar facets.

Huayu Li - One of the best experts on this subject based on the ideXlab platform.

  • SKG - A Method of Building Domain Knowledge Base from XML Based on Semantic Views
    2011 Seventh International Conference on Semantics Knowledge and Grids, 2011
    Co-Authors: Huayu Li, Jiuyun Xu
    Abstract:

    XML Schema lacks sufficient semantics and it becomes an obstacle to integration and sharing of heterogeneous XML data. In order to resolve these problems in Well Engineering domain, this paper proposes an ontology-based method to build a XML knowledge base called WeKB. In this method, a series of semantic views are defined between domain ontology and XML paths, and each node of XML data is mapped with some semantic views by which all elements of XML data are transformed to OWL instances and populated to WeKB. In addition, by axioms and inference rules, WeKB is also equipped with certain reasoning functions. By practical application, it can provide effective support for decision making in oilfield production.

  • ICEBE - A Method of Building Virtual Datacenter Based on Semantic Views
    2011 IEEE 8th International Conference on e-Business Engineering, 2011
    Co-Authors: Huayu Li, Chunping Ouyang
    Abstract:

    Massive data exists in Well-Engineering domain, and they are distributed or heterogeneous. These features lead to difficulties during data integration and global decision making. For this problem, this paper proposes a solution of building virtual data center by means of semantic integration technology. In this method, schemas of data sources are firstly mapped to semantic views on domain ontology, secondly, with translation algorithm, global semantic query is rewritten into series of SQL statements which will be dispatched to relevant data sources and executed on local sites, finally, query results are reorganized and submitted to users. By practical application, this virtual data center can supply semantic-based data support for Well production decision.

  • A Method of Building Virtual Datacenter Based on Semantic Views
    2011 IEEE 8th International Conference on e-Business Engineering, 2011
    Co-Authors: Huayu Li, Chunping Ouyang
    Abstract:

    Massive data exists in Well-Engineering domain, and they are distributed or heterogeneous. These features lead to difficulties during data integration and global decision making. For this problem, this paper proposes a solution of building virtual data center by means of semantic integration technology. In this method, schemas of data sources are firstly mapped to semantic views on domain ontology, secondly, with translation algorithm, global semantic query is rewritten into series of SQL statements which will be dispatched to relevant data sources and executed on local sites, finally, query results are reorganized and submitted to users. By practical application, this virtual data center can supply semantic-based data support for Well production decision.

  • A Method of Building Domain Knowledge Base from XML Based on Semantic Views
    2011 Seventh International Conference on Semantics Knowledge and Grids, 2011
    Co-Authors: Huayu Li, Jiuyun Xu
    Abstract:

    XML Schema lacks sufficient semantics and it becomes an obstacle to integration and sharing of heterogeneous XML data. In order to resolve these problems in Well Engineering domain, this paper proposes an ontology-based method to build a XML knowledge base called WeKB. In this method, a series of semantic views are defined between domain ontology and XML paths, and each node of XML data is mapped with some semantic views by which all elements of XML data are transformed to OWL instances and populated to WeKB. In addition, by axioms and inference rules, WeKB is also equipped with certain reasoning functions. By practical application, it can provide effective support for decision making in oilfield production.

C G Bryce - One of the best experts on this subject based on the ideXlab platform.

  • Cathodoluminescence hyperspectral images of InGaN/GaN core-shell nanorod structures
    2020
    Co-Authors: C G Bryce, P R Edwards, R W Martin
    Abstract:

    These data cubes represent the results of carrying out cathodoluminescence hyperspectral imaging on a set of InGaN/GaN core shell nanostructures, grown at the University of Bath using a range of growth temperatures and pressures. Details of the samples are given in Sample_details.txt, details of the measurements in Measurement_details.txt, and a description of the proprietary file format in File_formats.txt. Further analysis and interpretation of this data is presented in the associated journal article: C. G. Bryce et al, "Quantum Well Engineering in InGaN/GaN core-shell nanorod structures", J. Phys. D: Appl. Phys. (2017).

  • quantum Well Engineering in ingan gan core shell nanorod structures
    Journal of Physics D, 2017
    Co-Authors: C G Bryce, E Le D Boulbar, Pierremarie Coulon, P R Edwards, Ionut Girgel, Duncan W E Allsopp, P A Shields, R W Martin
    Abstract:

    We report the ability to control relative InN incorporation in InGaN/GaN quantum Wells (QWs) grown on the semi-polar and non-polar facets of a core-shell nanorod LED structure by varying the growth conditions. A study of the cathodoluminescence emitted from series of structures with different growth temperatures and pressures for the InGaN QW layer revealed that increasing the growth pressure had the effect of increasing InN incorporation on the semi-polar facets, while increasing the growth temperature improves the uniformity of light emission from the QWs on the non-polar facets.

  • Quantum Well Engineering in InGaN/GaN core-shell nanorod structures
    Journal of Physics D, 2017
    Co-Authors: C G Bryce, E Le D Boulbar, Pierremarie Coulon, P R Edwards, Ionut Girgel, Duncan W E Allsopp, P A Shields, R W Martin
    Abstract:

    We report the ability to control relative InN incorporation in InGaN/GaN quantum Wells (QWs) grown on the semi-polar and non-polar facets of a core-shell nanorod LED structure by varying the growth conditions. A study of the cathodoluminescence emitted from series of structures with different growth temperatures and pressures for the InGaN QW layer revealed that increasing the growth pressure had the effect of increasing InN incorporation on the semi-polar facets, while increasing the growth temperature improves the uniformity of light emission from the QWs on the non-polar facets.

Chunping Ouyang - One of the best experts on this subject based on the ideXlab platform.

  • ICEBE - A Method of Building Virtual Datacenter Based on Semantic Views
    2011 IEEE 8th International Conference on e-Business Engineering, 2011
    Co-Authors: Huayu Li, Chunping Ouyang
    Abstract:

    Massive data exists in Well-Engineering domain, and they are distributed or heterogeneous. These features lead to difficulties during data integration and global decision making. For this problem, this paper proposes a solution of building virtual data center by means of semantic integration technology. In this method, schemas of data sources are firstly mapped to semantic views on domain ontology, secondly, with translation algorithm, global semantic query is rewritten into series of SQL statements which will be dispatched to relevant data sources and executed on local sites, finally, query results are reorganized and submitted to users. By practical application, this virtual data center can supply semantic-based data support for Well production decision.

  • A Method of Building Virtual Datacenter Based on Semantic Views
    2011 IEEE 8th International Conference on e-Business Engineering, 2011
    Co-Authors: Huayu Li, Chunping Ouyang
    Abstract:

    Massive data exists in Well-Engineering domain, and they are distributed or heterogeneous. These features lead to difficulties during data integration and global decision making. For this problem, this paper proposes a solution of building virtual data center by means of semantic integration technology. In this method, schemas of data sources are firstly mapped to semantic views on domain ontology, secondly, with translation algorithm, global semantic query is rewritten into series of SQL statements which will be dispatched to relevant data sources and executed on local sites, finally, query results are reorganized and submitted to users. By practical application, this virtual data center can supply semantic-based data support for Well production decision.

P R Edwards - One of the best experts on this subject based on the ideXlab platform.

  • Cathodoluminescence hyperspectral images of InGaN/GaN core-shell nanorod structures
    2020
    Co-Authors: C G Bryce, P R Edwards, R W Martin
    Abstract:

    These data cubes represent the results of carrying out cathodoluminescence hyperspectral imaging on a set of InGaN/GaN core shell nanostructures, grown at the University of Bath using a range of growth temperatures and pressures. Details of the samples are given in Sample_details.txt, details of the measurements in Measurement_details.txt, and a description of the proprietary file format in File_formats.txt. Further analysis and interpretation of this data is presented in the associated journal article: C. G. Bryce et al, "Quantum Well Engineering in InGaN/GaN core-shell nanorod structures", J. Phys. D: Appl. Phys. (2017).

  • quantum Well Engineering in ingan gan core shell nanorod structures
    Journal of Physics D, 2017
    Co-Authors: C G Bryce, E Le D Boulbar, Pierremarie Coulon, P R Edwards, Ionut Girgel, Duncan W E Allsopp, P A Shields, R W Martin
    Abstract:

    We report the ability to control relative InN incorporation in InGaN/GaN quantum Wells (QWs) grown on the semi-polar and non-polar facets of a core-shell nanorod LED structure by varying the growth conditions. A study of the cathodoluminescence emitted from series of structures with different growth temperatures and pressures for the InGaN QW layer revealed that increasing the growth pressure had the effect of increasing InN incorporation on the semi-polar facets, while increasing the growth temperature improves the uniformity of light emission from the QWs on the non-polar facets.

  • Quantum Well Engineering in InGaN/GaN core-shell nanorod structures
    Journal of Physics D, 2017
    Co-Authors: C G Bryce, E Le D Boulbar, Pierremarie Coulon, P R Edwards, Ionut Girgel, Duncan W E Allsopp, P A Shields, R W Martin
    Abstract:

    We report the ability to control relative InN incorporation in InGaN/GaN quantum Wells (QWs) grown on the semi-polar and non-polar facets of a core-shell nanorod LED structure by varying the growth conditions. A study of the cathodoluminescence emitted from series of structures with different growth temperatures and pressures for the InGaN QW layer revealed that increasing the growth pressure had the effect of increasing InN incorporation on the semi-polar facets, while increasing the growth temperature improves the uniformity of light emission from the QWs on the non-polar facets.