Novel characterization techniques for cultural heritage using a TEM orientation imaging in combination with 3D precession diffraction tomography: a case study of green and white ancient Roman glass tesserae
Abstract We present new transmission electron microscopy (TEM) based electron diffraction characterization techniques (orientation imaging combined with 3D precession electron diffraction tomography-ADT) applied on cultural heritage materials. We have determined precisely unit cell parameters, cryst...
| Main Authors: | , , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
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SpringerOpen
2018-11-01
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| Series: | Heritage Science |
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| Online Access: | http://link.springer.com/article/10.1186/s40494-018-0229-7 |
| _version_ | 1818658372611735552 |
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| author | Stavros Nicolopoulos Partha P. Das Pablo J. Bereciartua Fotini Karavasili Nikolaos Zacharias Alejandro Gómez Pérez Athanassios S. Galanis Edgar F. Rauch Raúl Arenal Joaquim Portillo Josep Roqué-Rosell Maria Kollia Irene Margiolaki |
| author_facet | Stavros Nicolopoulos Partha P. Das Pablo J. Bereciartua Fotini Karavasili Nikolaos Zacharias Alejandro Gómez Pérez Athanassios S. Galanis Edgar F. Rauch Raúl Arenal Joaquim Portillo Josep Roqué-Rosell Maria Kollia Irene Margiolaki |
| author_sort | Stavros Nicolopoulos |
| collection | DOAJ |
| description | Abstract We present new transmission electron microscopy (TEM) based electron diffraction characterization techniques (orientation imaging combined with 3D precession electron diffraction tomography-ADT) applied on cultural heritage materials. We have determined precisely unit cell parameters, crystal symmetry, atomic structure, and orientation/phase mapping of various pigment/opacifier crystallites at nm scale which are present in green and white Roman glass tesserae. Such TEM techniques can be an alternative to Synchrotron based techniques, and allow to distinguish accurately at nm scale between different crystal structures even in cases of same/very close chemical composition, where is also possible to visualize between different crystal orientations and amorphous/crystalline phases. This study additionally demonstrates that although opacifiers in green and white tesserae are found to have average Pb2Sb2O7 cubic and CaSb2O6 trigonal structures, their pyrochlore related framework can host many other elements like Cu, Ca, Fe through ionic exchanges at high firing temperatures which in turn may also contribute to the tesserae colour appearance. |
| first_indexed | 2024-12-17T03:56:20Z |
| format | Article |
| id | doaj.art-f26ab2497987447d84db926fd7dc293f |
| institution | Directory Open Access Journal |
| issn | 2050-7445 |
| language | English |
| last_indexed | 2024-12-17T03:56:20Z |
| publishDate | 2018-11-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Heritage Science |
| spelling | doaj.art-f26ab2497987447d84db926fd7dc293f2022-12-21T22:04:38ZengSpringerOpenHeritage Science2050-74452018-11-016111210.1186/s40494-018-0229-7Novel characterization techniques for cultural heritage using a TEM orientation imaging in combination with 3D precession diffraction tomography: a case study of green and white ancient Roman glass tesseraeStavros Nicolopoulos0Partha P. Das1Pablo J. Bereciartua2Fotini Karavasili3Nikolaos Zacharias4Alejandro Gómez Pérez5Athanassios S. Galanis6Edgar F. Rauch7Raúl Arenal8Joaquim Portillo9Josep Roqué-Rosell10Maria Kollia11Irene Margiolaki12NanoMEGAS SPRLNanoMEGAS SPRLInstituto Tecnologia Quimica (UPV-CSIC), Universitat Politècnica de València/CSICSection of Genetics, Department of Biology, University of PatrasDepartment of History, Archaeology and Cultural Resources Management, University of the PeloponneseNanoMEGAS SPRLNanoMEGAS SPRLSIMaP, Grenoble INP-CNRS-UJFLab de Microscopias Avanzadas, INA, University de ZaragozaNanoMEGAS SPRLDepartment of Mineralogy, Petrology and Applied Geology, University of BarcelonaLaboratory of Electron Microscopy and Microanalysis, School of Natural Sciences, University of PatrasSection of Genetics, Department of Biology, University of PatrasAbstract We present new transmission electron microscopy (TEM) based electron diffraction characterization techniques (orientation imaging combined with 3D precession electron diffraction tomography-ADT) applied on cultural heritage materials. We have determined precisely unit cell parameters, crystal symmetry, atomic structure, and orientation/phase mapping of various pigment/opacifier crystallites at nm scale which are present in green and white Roman glass tesserae. Such TEM techniques can be an alternative to Synchrotron based techniques, and allow to distinguish accurately at nm scale between different crystal structures even in cases of same/very close chemical composition, where is also possible to visualize between different crystal orientations and amorphous/crystalline phases. This study additionally demonstrates that although opacifiers in green and white tesserae are found to have average Pb2Sb2O7 cubic and CaSb2O6 trigonal structures, their pyrochlore related framework can host many other elements like Cu, Ca, Fe through ionic exchanges at high firing temperatures which in turn may also contribute to the tesserae colour appearance.http://link.springer.com/article/10.1186/s40494-018-0229-7Roman glass tesseraeTEMElectron crystallographyPrecession electron diffractionElectron diffraction tomographyPhase and orientation mapping at nm scale |
| spellingShingle | Stavros Nicolopoulos Partha P. Das Pablo J. Bereciartua Fotini Karavasili Nikolaos Zacharias Alejandro Gómez Pérez Athanassios S. Galanis Edgar F. Rauch Raúl Arenal Joaquim Portillo Josep Roqué-Rosell Maria Kollia Irene Margiolaki Novel characterization techniques for cultural heritage using a TEM orientation imaging in combination with 3D precession diffraction tomography: a case study of green and white ancient Roman glass tesserae Heritage Science Roman glass tesserae TEM Electron crystallography Precession electron diffraction Electron diffraction tomography Phase and orientation mapping at nm scale |
| title | Novel characterization techniques for cultural heritage using a TEM orientation imaging in combination with 3D precession diffraction tomography: a case study of green and white ancient Roman glass tesserae |
| title_full | Novel characterization techniques for cultural heritage using a TEM orientation imaging in combination with 3D precession diffraction tomography: a case study of green and white ancient Roman glass tesserae |
| title_fullStr | Novel characterization techniques for cultural heritage using a TEM orientation imaging in combination with 3D precession diffraction tomography: a case study of green and white ancient Roman glass tesserae |
| title_full_unstemmed | Novel characterization techniques for cultural heritage using a TEM orientation imaging in combination with 3D precession diffraction tomography: a case study of green and white ancient Roman glass tesserae |
| title_short | Novel characterization techniques for cultural heritage using a TEM orientation imaging in combination with 3D precession diffraction tomography: a case study of green and white ancient Roman glass tesserae |
| title_sort | novel characterization techniques for cultural heritage using a tem orientation imaging in combination with 3d precession diffraction tomography a case study of green and white ancient roman glass tesserae |
| topic | Roman glass tesserae TEM Electron crystallography Precession electron diffraction Electron diffraction tomography Phase and orientation mapping at nm scale |
| url | http://link.springer.com/article/10.1186/s40494-018-0229-7 |
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