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Filtering by: Creator Zhang, Yanwei Degree Name Doctor of Philosophy (Ph.D.)

Substitutional Effects on the Electromechanical Properties of Lead-free, Piezoelectric (Na₀.₅Bi₀.₅)TiO₃-BaTiO₃ (NBT-BT)

Creator:

McQuade, Ryan R.

Abstract:

This work investigates the effect of cation substitution on the properties of the lead-free, solid solution (Na₀.₅Bi₀.₅)TiO₃-BaTiO₃ (NBT-BT). Substitution into NBT-BT increases disorder and increases the relaxor ferroelectric properties. These relaxor ferroelectric materials show large piezoelectric strains that can be utilized in actuator applications. Ceramic samples were prepared using standard...

Resource Type:

Dissertation

Full Text:

. Adapted from Li Jin, Fei Li, and Shujun Zhang…………….……..9 Figure 1.6: The unit cell of BaTiO3, a
Visual object discovery and understanding

Creator:

Yuan, Jialin

Abstract:

Learning to recognize objects is a fundamental and essential step in human perception and understanding of the world. Accordingly, research of object discovery across diverse modalities plays a pivotal role in the context of computer vision. This field not only contributes significantly to enhancing our understanding of visual information but...

Resource Type:

Dissertation

Full Text:

., 2017, Uhrig et al., 2016, Zhang et al., 2015, 2016]. We note that the goal of instance segmentation is
Deep Convolutional Network on Point Clouds for 3D Scene Understanding

Creator:

Wu, Wenxuan

Abstract:

As one of the most popular data types, the point cloud is widely used in various appli- cations, including computer vision, computer graphics and robotics. The capability to directly measure 3D point clouds is invaluable in those applications as depth information could remove a lot of the segmentation ambiguities in...

Resource Type:

Dissertation

Full Text:

Liu, Zhiyuan Wang, Zhuwen Li, Xiao Zhang, Jing Dong, and Yipu Zhao. I learned a lot from them