Journal
APPLIED PHYSICS LETTERS
Volume 103, Issue 21, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4833401
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Funding
- Ministry of Science and Technology of China through 973 Program [2013CB632902-3, 2009CB623305, 2013CB6329052, 2013CB632906]
- Natural Science Foundation of China [51332009, 51372258, 11304333, 61001041, 11090332, 51272268]
- Science and Technology Commission of Shanghai Municipality [12DZ0501000]
- Shanghai Rising-Star Program [11QA1407500]
- Shanghai Institute of Technical Physics, CAS [IIMDKFJJ-11-08]
- Fund of Shanghai Institute of Ceramics [Y29ZC4140G, Y39ZC4140G]
- Shanghai Municipal Electric Power Company [52091413502W]
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Bi deficient, Mn doped 0.92(Na0.5Bi0.5) TiO3-0.08(K0.5Bi0.5)TiO3 single crystals were grown by carefully controlled top-seeded solution growth method. Local structures were investigated by transmission electron microscopy. The site occupation and valence state of manganese were characterized by electron paramagnetic resonance spectrum. The leakage current density in the as-grown single crystals is effectively depressed. The introduced defect complexes suppress the temperature induced phase transformation, increasing the depolarization temperature (165 degrees C) and thermal stability of ferroelectric properties. (C) 2013 AIP Publishing LLC.
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