Pb-based lanthanumdoped zirconate titanates

简明释义

锆钛酸铅

英英释义

Pb-based lanthanum-doped zirconate titanates are a class of ceramic materials that incorporate lead (Pb) and lanthanum (La) into a matrix of zirconate and titanate compounds, which are known for their piezoelectric and ferroelectric properties.

基于铅的掺铈锆钛酸盐是一类陶瓷材料,它们在锆酸盐和钛酸盐化合物的基体中掺入铅(Pb)和铈(La),以赋予其压电和铁电特性。

例句

1.The Pb-based lanthanum-doped zirconate titanates exhibit excellent dielectric properties, making them suitable for capacitors.

铅基掺镧锆钛酸盐表现出优良的介电特性,使其适合用于电容器。

2.The mechanical strength of Pb-based lanthanum-doped zirconate titanates is crucial for their use in structural applications.

铅基掺镧锆钛酸盐的机械强度对于其在结构应用中的使用至关重要。

3.Researchers are exploring the properties of Pb-based lanthanum-doped zirconate titanates in piezoelectric applications.

研究人员正在探索铅基掺镧锆钛酸盐在压电应用中的特性。

4.We conducted tests on Pb-based lanthanum-doped zirconate titanates to evaluate their thermal stability.

我们对铅基掺镧锆钛酸盐进行了测试,以评估其热稳定性。

5.In our lab, we synthesized Pb-based lanthanum-doped zirconate titanates to improve energy storage efficiency.

在我们的实验室中,我们合成了铅基掺镧锆钛酸盐以提高能量存储效率。

作文

In recent years, the field of materials science has witnessed significant advancements in the development of ferroelectric materials. One such promising category is Pb-based lanthanum-doped zirconate titanates, which have garnered attention for their excellent piezoelectric and dielectric properties. These materials are primarily composed of lead (Pb), lanthanum (La), zirconium (Zr), and titanium (Ti), and they exhibit unique characteristics that make them suitable for various applications, including sensors, actuators, and capacitors.The significance of Pb-based lanthanum-doped zirconate titanates lies in their ability to undergo phase transitions, which contribute to their ferroelectric behavior. The addition of lanthanum into the zirconate-titanate matrix alters the crystal structure, enhancing the material's performance. This doping process not only improves the material's stability but also optimizes its electrical properties, making it a preferred choice in the electronics industry.One of the key advantages of Pb-based lanthanum-doped zirconate titanates is their high Curie temperature, which allows them to maintain their ferroelectric properties at elevated temperatures. This feature is particularly important for devices that operate under harsh environmental conditions. Furthermore, these materials exhibit a high electromechanical coupling coefficient, which means they can efficiently convert electrical energy into mechanical energy and vice versa. As a result, they are widely used in applications such as ultrasonic transducers and piezoelectric motors.Despite their remarkable properties, the use of lead in Pb-based lanthanum-doped zirconate titanates raises environmental concerns due to lead's toxicity. Researchers are actively exploring lead-free alternatives that can replicate the desirable characteristics of lead-based materials. However, finding a suitable replacement that meets the same performance standards remains a challenge.In conclusion, Pb-based lanthanum-doped zirconate titanates represent a significant advancement in the realm of ferroelectric materials. Their unique properties and versatility make them invaluable in various technological applications. As research continues to evolve, it is essential to balance performance with environmental considerations, paving the way for future innovations in materials science.

近年来,材料科学领域在铁电材料的开发方面取得了显著进展。其中,一类颇具前景的材料是基于铅的掺镧锆钛酸盐,因其优异的压电和介电特性而备受关注。这些材料主要由铅(Pb)、镧(La)、锆(Zr)和钛(Ti)组成,展现出独特的特性,使其适用于传感器、驱动器和电容器等各种应用。基于铅的掺镧锆钛酸盐的重要性在于其能够经历相变,这为其铁电行为做出了贡献。将镧添加到锆钛酸盐基体中会改变晶体结构,从而提高材料的性能。这种掺杂过程不仅提高了材料的稳定性,还优化了其电气特性,使其成为电子工业中的首选材料。基于铅的掺镧锆钛酸盐的一大优势是其高居里温度,这使得它们在高温下仍能保持铁电特性。这一特性对于在恶劣环境条件下工作的设备尤为重要。此外,这些材料还表现出高的电机械耦合系数,这意味着它们可以有效地将电能转化为机械能,反之亦然。因此,它们广泛应用于超声换能器和压电马达等应用中。尽管具有显著的特性,但在基于铅的掺镧锆钛酸盐中使用铅引发了环境问题,因为铅具有毒性。研究人员正在积极探索无铅替代品,以复制铅基材料的理想特性。然而,找到符合相同性能标准的合适替代品仍然是一个挑战。总之,基于铅的掺镧锆钛酸盐代表了铁电材料领域的显著进展。它们独特的特性和多功能性使其在各种技术应用中不可或缺。随着研究的不断发展,平衡性能与环境考虑至关重要,为材料科学的未来创新铺平道路。