稀土掺杂Pb(Mg1/3Nb2/3)O3-PbTiO3晶体的Kerr电光性质

IF 3.6 2区物理与天体物理 Q2 PHYSICS, APPLIED

Applied Physics Letters Pub Date : 2025-04-14 DOI:10.1063/5.0258040

Hongjiang Wu, Ruibin Xiong, Rongbing Su, Zujian Wang, Bin Su, Lingfei Lv, Chao He

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引用次数: 0

摘要

Pb(Mg1 / 3Nb2 / 3)O3-PbTiO3 （PMN-PT）晶体具有低半波电压、高电光系数、易于小型化和集成化等特点，在电光领域具有巨大的应用潜力。然而，铁电相PMN-PT晶体由于畴壁的光散射和反射而表现出较低的消光比。在本研究中，通过成分优化和稀土离子掺杂，合成了高透射率的准电相PMN-PT晶体。考虑PT的组成和La3+和Sm3+离子的掺杂，系统地分析了晶体的光学和克尔电光性能。La-PMN-8PT晶体的透射率为75%，二次电光系数为4.28 × 10−16 m2/V2，消光比为29 dB，半波电压为270 V。此外，在一定温度范围内对晶体的电光性能进行了评估，揭示了la掺杂晶体具有优异的温度稳定性。这些结果突出了la掺杂PMN-PT晶体在先进光电应用中的潜力。

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Kerr electro-optic properties of rare-earth doped Pb(Mg1/3Nb2/3)O3-PbTiO3 crystals

Pb(Mg1∕3Nb2∕3)O3-PbTiO3 (PMN-PT) crystals exhibit significant potential for applications in the electro-optical (EO) field, owing to their low half-wave voltage and high electro-optic coefficients, ease of miniaturization, and integration. However, the ferroelectric phase PMN-PT crystals exhibit a low extinction ratio due to light scattering and reflection by domain walls. In this study, high-transmittance paraelectric phase PMN-PT crystals were synthesized through compositional optimization and rare-earth ion doping. The optical and Kerr electro-optic properties of the crystals were systematically analyzed, considering the PT composition and doping with La3+ and Sm3+ ions. The La-PMN-8PT crystals demonstrated a transmission rate of 75%, a quadratic electro-optic coefficient of 4.28 × 10−16 m2/V2, an extinction ratio of 29 dB, and a half-wave voltage of 270 V. Additionally, the electro-optical performance of the crystals was evaluated over a range of temperatures, revealing excellent temperature stability in the La-doped crystals. These results highlight the promising potential of La-doped PMN-PT crystals for advanced electro-optical applications.

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来源期刊

Applied Physics Letters 物理-物理：应用

CiteScore

6.40

自引率

10.00%

发文量

1821

审稿时长

1.6 months

期刊介绍： Applied Physics Letters (APL) features concise, up-to-date reports on significant new findings in applied physics. Emphasizing rapid dissemination of key data and new physical insights, APL offers prompt publication of new experimental and theoretical papers reporting applications of physics phenomena to all branches of science, engineering, and modern technology. In addition to regular articles, the journal also publishes invited Fast Track, Perspectives, and in-depth Editorials which report on cutting-edge areas in applied physics. APL Perspectives are forward-looking invited letters which highlight recent developments or discoveries. Emphasis is placed on very recent developments, potentially disruptive technologies, open questions and possible solutions. They also include a mini-roadmap detailing where the community should direct efforts in order for the phenomena to be viable for application and the challenges associated with meeting that performance threshold. Perspectives are characterized by personal viewpoints and opinions of recognized experts in the field. Fast Track articles are invited original research articles that report results that are particularly novel and important or provide a significant advancement in an emerging field. Because of the urgency and scientific importance of the work, the peer review process is accelerated. If, during the review process, it becomes apparent that the paper does not meet the Fast Track criterion, it is returned to a normal track.