Millikelvin measurements of permittivity and loss tangent of lithium niobate

被引：3

作者：

Zorzetti, Silvia ^{[1
]}

Wang, Changqing ^{[1
]}

Gonin, Ivan ^{[1
]}

Kazakov, Sergey ^{[1
]}

Khabiboulline, Timergali ^{[1
]}

Romanenko, Alexander ^{[1
]}

Yakovlev, Vyacheslav P. ^{[1
]}

Grassellino, Anna ^{[1
]}

机构：

[1] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA

来源：

PHYSICAL REVIEW B | 2023年 / 107卷 / 22期

关键词：

CRYSTAL;

D O I：

10.1103/PhysRevB.107.L220302

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Lithium niobate is an electro-optic material with many applications in microwave and optical signal processing, communication, quantum sensing, and quantum computing. In this Letter, we present findings on evaluating the complex electromagnetic permittivity of lithium niobate at millikelvin temperatures. Measurements are carried out using a resonant-type method with a superconducting radio-frequency cavity operating at 7 GHz and designed to characterize anisotropic dielectrics. The relative permittivity tensor and loss tangent are measured at 50 mK with unprecedented accuracy.

引用

页数：6

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