Dependence of Pyroelectric Properties of La0.03Sr0.255Ba0.7Nb2-yTiyO(6-y/2) Ceramic on Electric Field, Grain Refinement and Ti/Nb Crystallite Sizes
The pyroelectric properties of La0.03Sr0.255Ba0.7Nb2-yTiyO(6-y/2) (LSBNT) ceramic pellets using several Ti/Nb ratios sintered at 1250 degrees C for 5 h were investigated. The samples were subjected to several values of electric fields in order to obtain the optimum electric field strength. The pyroe...
| Main Authors: | , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Penerbit Universiti Kebangsaan Malaysia
2010
|
| Subjects: | |
| Online Access: | http://eprints.um.edu.my/5674/1/Dependence_of_Pyroelectric_Properties_of_La0.03Sr0.255Ba0.7Nb2-yTiyO%286-y-2%29_Ceramic_on_Electric_Field%2C_Grain_Refinement_and_Ti-Nb_Crystallite_Sizes.pdf |
| _version_ | 1796945323232329728 |
|---|---|
| author | Gan, W.C. Abd Majid, Wan Haliza |
| author_facet | Gan, W.C. Abd Majid, Wan Haliza |
| author_sort | Gan, W.C. |
| collection | UM |
| description | The pyroelectric properties of La0.03Sr0.255Ba0.7Nb2-yTiyO(6-y/2) (LSBNT) ceramic pellets using several Ti/Nb ratios sintered at 1250 degrees C for 5 h were investigated. The samples were subjected to several values of electric fields in order to obtain the optimum electric field strength. The pyroelectric coefficients, (p) were measured using the quasi-static method by applying several heating rates. The results show that the Ti/Nb ratios and the dc poling field, (E-dc) influenced the measured pyroelectric coefficient of the LSBNT ceramic pellets. The mean grain size of the particles as obtained from scanning electron microscope (SEM) does not seem to give significant impact on the pyroelectric coefficient of the ceramic pellets. However, the X-Ray diffraction (XRD) results indicate that the crystallite sizes of Ti and Nb of these ceramic pellets after being treated with sintering process also influence the measured pyroelectric coefficients of the ceramic pellets. |
| first_indexed | 2024-03-06T05:14:56Z |
| format | Article |
| id | um.eprints-5674 |
| institution | Universiti Malaya |
| language | English |
| last_indexed | 2024-03-06T05:14:56Z |
| publishDate | 2010 |
| publisher | Penerbit Universiti Kebangsaan Malaysia |
| record_format | dspace |
| spelling | um.eprints-56742019-03-19T08:59:15Z http://eprints.um.edu.my/5674/ Dependence of Pyroelectric Properties of La0.03Sr0.255Ba0.7Nb2-yTiyO(6-y/2) Ceramic on Electric Field, Grain Refinement and Ti/Nb Crystallite Sizes Gan, W.C. Abd Majid, Wan Haliza QC Physics The pyroelectric properties of La0.03Sr0.255Ba0.7Nb2-yTiyO(6-y/2) (LSBNT) ceramic pellets using several Ti/Nb ratios sintered at 1250 degrees C for 5 h were investigated. The samples were subjected to several values of electric fields in order to obtain the optimum electric field strength. The pyroelectric coefficients, (p) were measured using the quasi-static method by applying several heating rates. The results show that the Ti/Nb ratios and the dc poling field, (E-dc) influenced the measured pyroelectric coefficient of the LSBNT ceramic pellets. The mean grain size of the particles as obtained from scanning electron microscope (SEM) does not seem to give significant impact on the pyroelectric coefficient of the ceramic pellets. However, the X-Ray diffraction (XRD) results indicate that the crystallite sizes of Ti and Nb of these ceramic pellets after being treated with sintering process also influence the measured pyroelectric coefficients of the ceramic pellets. Penerbit Universiti Kebangsaan Malaysia 2010 Article PeerReviewed application/pdf en http://eprints.um.edu.my/5674/1/Dependence_of_Pyroelectric_Properties_of_La0.03Sr0.255Ba0.7Nb2-yTiyO%286-y-2%29_Ceramic_on_Electric_Field%2C_Grain_Refinement_and_Ti-Nb_Crystallite_Sizes.pdf Gan, W.C. and Abd Majid, Wan Haliza (2010) Dependence of Pyroelectric Properties of La0.03Sr0.255Ba0.7Nb2-yTiyO(6-y/2) Ceramic on Electric Field, Grain Refinement and Ti/Nb Crystallite Sizes. Sains Malaysiana, 39 (6). pp. 1007-1013. ISSN 0126-6039, |
| spellingShingle | QC Physics Gan, W.C. Abd Majid, Wan Haliza Dependence of Pyroelectric Properties of La0.03Sr0.255Ba0.7Nb2-yTiyO(6-y/2) Ceramic on Electric Field, Grain Refinement and Ti/Nb Crystallite Sizes |
| title | Dependence of Pyroelectric Properties of La0.03Sr0.255Ba0.7Nb2-yTiyO(6-y/2) Ceramic on Electric Field, Grain Refinement and Ti/Nb Crystallite Sizes |
| title_full | Dependence of Pyroelectric Properties of La0.03Sr0.255Ba0.7Nb2-yTiyO(6-y/2) Ceramic on Electric Field, Grain Refinement and Ti/Nb Crystallite Sizes |
| title_fullStr | Dependence of Pyroelectric Properties of La0.03Sr0.255Ba0.7Nb2-yTiyO(6-y/2) Ceramic on Electric Field, Grain Refinement and Ti/Nb Crystallite Sizes |
| title_full_unstemmed | Dependence of Pyroelectric Properties of La0.03Sr0.255Ba0.7Nb2-yTiyO(6-y/2) Ceramic on Electric Field, Grain Refinement and Ti/Nb Crystallite Sizes |
| title_short | Dependence of Pyroelectric Properties of La0.03Sr0.255Ba0.7Nb2-yTiyO(6-y/2) Ceramic on Electric Field, Grain Refinement and Ti/Nb Crystallite Sizes |
| title_sort | dependence of pyroelectric properties of la0 03sr0 255ba0 7nb2 ytiyo 6 y 2 ceramic on electric field grain refinement and ti nb crystallite sizes |
| topic | QC Physics |
| url | http://eprints.um.edu.my/5674/1/Dependence_of_Pyroelectric_Properties_of_La0.03Sr0.255Ba0.7Nb2-yTiyO%286-y-2%29_Ceramic_on_Electric_Field%2C_Grain_Refinement_and_Ti-Nb_Crystallite_Sizes.pdf |
| work_keys_str_mv | AT ganwc dependenceofpyroelectricpropertiesofla003sr0255ba07nb2ytiyo6y2ceramiconelectricfieldgrainrefinementandtinbcrystallitesizes AT abdmajidwanhaliza dependenceofpyroelectricpropertiesofla003sr0255ba07nb2ytiyo6y2ceramiconelectricfieldgrainrefinementandtinbcrystallitesizes |