X-ray-induced piezoresponse during X-ray photon correlation spectroscopy of PbMg1/3Nb2/3O3
X-ray photon correlation spectroscopy (XPCS) holds strong promise for observing atomic-scale dynamics in materials, both at equilibrium and during non-equilibrium transitions. Here an in situ XPCS study of the relaxor ferroelectric PbMg1/3Nb2/3O3 (PMN) is reported. A weak applied AC electric field g...
| Main Authors: | , , , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
International Union of Crystallography
2024-01-01
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| Series: | Journal of Synchrotron Radiation |
| Subjects: | |
| Online Access: | http://scripts.iucr.org/cgi-bin/paper?S1600577523009116 |
| _version_ | 1827387240808972288 |
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| author | Dina Sheyfer Hao Zheng Matthew Krogstad Carol Thompson Hoydoo You Jeffrey A. Eastman Yuzi Liu Bi-Xia Wang Zuo-Guang Ye Stephan Rosenkranz Daniel Phelan Eric M. Dufresne G. Brian Stephenson Yue Cao |
| author_facet | Dina Sheyfer Hao Zheng Matthew Krogstad Carol Thompson Hoydoo You Jeffrey A. Eastman Yuzi Liu Bi-Xia Wang Zuo-Guang Ye Stephan Rosenkranz Daniel Phelan Eric M. Dufresne G. Brian Stephenson Yue Cao |
| author_sort | Dina Sheyfer |
| collection | DOAJ |
| description | X-ray photon correlation spectroscopy (XPCS) holds strong promise for observing atomic-scale dynamics in materials, both at equilibrium and during non-equilibrium transitions. Here an in situ XPCS study of the relaxor ferroelectric PbMg1/3Nb2/3O3 (PMN) is reported. A weak applied AC electric field generates strong response in the speckle of the diffuse scattering from the polar nanodomains, which is captured using the two-time correlation function. Correlated motions of the Bragg peak are also observed, which indicate dynamic tilting of the illuminated volume. This tilting quantitatively accounts for the observed two-time speckle correlations. The magnitude of the tilting would not be expected solely from the modest applied field, since PMN is an electrostrictive material with no linear strain response to the field. A model is developed based on non-uniform static charging of the illuminated surface spot by the incident micrometre-scale X-ray beam and the electrostrictive material response to the combination of static and dynamic fields. The model qualitatively explains the direction and magnitude of the observed tilting, and predicts that X-ray-induced piezoresponse could be an important factor in correctly interpreting results from XPCS and nanodiffraction studies of other insulating materials under applied AC field or varying X-ray illumination. |
| first_indexed | 2024-03-08T15:59:05Z |
| format | Article |
| id | doaj.art-fc8f7f346547420ba2ff26ea98e20b3e |
| institution | Directory Open Access Journal |
| issn | 1600-5775 |
| language | English |
| last_indexed | 2024-03-08T15:59:05Z |
| publishDate | 2024-01-01 |
| publisher | International Union of Crystallography |
| record_format | Article |
| series | Journal of Synchrotron Radiation |
| spelling | doaj.art-fc8f7f346547420ba2ff26ea98e20b3e2024-01-08T14:34:54ZengInternational Union of CrystallographyJournal of Synchrotron Radiation1600-57752024-01-01311556410.1107/S1600577523009116vl5014X-ray-induced piezoresponse during X-ray photon correlation spectroscopy of PbMg1/3Nb2/3O3Dina Sheyfer0Hao Zheng1Matthew Krogstad2Carol Thompson3Hoydoo You4Jeffrey A. Eastman5Yuzi Liu6Bi-Xia Wang7Zuo-Guang Ye8Stephan Rosenkranz9Daniel Phelan10Eric M. Dufresne11G. Brian Stephenson12Yue Cao13Materials Science Division, Argonne National Laboratory, Lemont, IL 60439, USAMaterials Science Division, Argonne National Laboratory, Lemont, IL 60439, USAMaterials Science Division, Argonne National Laboratory, Lemont, IL 60439, USADepartment of Physics, Northern Illinois University, DeKalb, IL 60115, USAMaterials Science Division, Argonne National Laboratory, Lemont, IL 60439, USAMaterials Science Division, Argonne National Laboratory, Lemont, IL 60439, USACenter for Nanoscale Materials, Argonne National Laboratory, Lemont, IL 60439, USADepartment of Chemistry and 4D Labs, Simon Fraser University, Burnaby, BC, Canada V5A1S6Department of Chemistry and 4D Labs, Simon Fraser University, Burnaby, BC, Canada V5A1S6Materials Science Division, Argonne National Laboratory, Lemont, IL 60439, USAMaterials Science Division, Argonne National Laboratory, Lemont, IL 60439, USAX-ray Science Division, Argonne National Laboratory, Lemont, IL 60439, USAMaterials Science Division, Argonne National Laboratory, Lemont, IL 60439, USAMaterials Science Division, Argonne National Laboratory, Lemont, IL 60439, USAX-ray photon correlation spectroscopy (XPCS) holds strong promise for observing atomic-scale dynamics in materials, both at equilibrium and during non-equilibrium transitions. Here an in situ XPCS study of the relaxor ferroelectric PbMg1/3Nb2/3O3 (PMN) is reported. A weak applied AC electric field generates strong response in the speckle of the diffuse scattering from the polar nanodomains, which is captured using the two-time correlation function. Correlated motions of the Bragg peak are also observed, which indicate dynamic tilting of the illuminated volume. This tilting quantitatively accounts for the observed two-time speckle correlations. The magnitude of the tilting would not be expected solely from the modest applied field, since PMN is an electrostrictive material with no linear strain response to the field. A model is developed based on non-uniform static charging of the illuminated surface spot by the incident micrometre-scale X-ray beam and the electrostrictive material response to the combination of static and dynamic fields. The model qualitatively explains the direction and magnitude of the observed tilting, and predicts that X-ray-induced piezoresponse could be an important factor in correctly interpreting results from XPCS and nanodiffraction studies of other insulating materials under applied AC field or varying X-ray illumination.http://scripts.iucr.org/cgi-bin/paper?S1600577523009116x-ray photon correlation spectroscopyrelaxorsurface chargingx-ray-induced piezoresponse |
| spellingShingle | Dina Sheyfer Hao Zheng Matthew Krogstad Carol Thompson Hoydoo You Jeffrey A. Eastman Yuzi Liu Bi-Xia Wang Zuo-Guang Ye Stephan Rosenkranz Daniel Phelan Eric M. Dufresne G. Brian Stephenson Yue Cao X-ray-induced piezoresponse during X-ray photon correlation spectroscopy of PbMg1/3Nb2/3O3 Journal of Synchrotron Radiation x-ray photon correlation spectroscopy relaxor surface charging x-ray-induced piezoresponse |
| title | X-ray-induced piezoresponse during X-ray photon correlation spectroscopy of PbMg1/3Nb2/3O3 |
| title_full | X-ray-induced piezoresponse during X-ray photon correlation spectroscopy of PbMg1/3Nb2/3O3 |
| title_fullStr | X-ray-induced piezoresponse during X-ray photon correlation spectroscopy of PbMg1/3Nb2/3O3 |
| title_full_unstemmed | X-ray-induced piezoresponse during X-ray photon correlation spectroscopy of PbMg1/3Nb2/3O3 |
| title_short | X-ray-induced piezoresponse during X-ray photon correlation spectroscopy of PbMg1/3Nb2/3O3 |
| title_sort | x ray induced piezoresponse during x ray photon correlation spectroscopy of pbmg1 3nb2 3o3 |
| topic | x-ray photon correlation spectroscopy relaxor surface charging x-ray-induced piezoresponse |
| url | http://scripts.iucr.org/cgi-bin/paper?S1600577523009116 |
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