Characterization of polycrystalline graphene based CVD by laser polarization Raman

Shuai, 孟 帅 Meng; Qifeng, 姚齐峰 Yao; Qiankun, 张乾坤 Zhang; Haisha, 牛海莎 Niu; Lianqing, 祝连庆 Zhu

doi:10.3788/irla202049.0205007

红外与激光工程

2020

DOI: 10.3788/irla202049.0205007

|View full text |Cite

Characterization of polycrystalline graphene based CVD by laser polarization Raman

孟帅 Meng Shuai¹,

姚齐峰 Yao Qifeng²,

张乾坤 Zhang Qiankun³

et al.

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...

Citation Types

Supporting

Mentioning

Contrasting

Year Published

2023

2024

Publication Types

Select...

Article2

Relationship

Self Cite0

Independent2

Authors

Journals

Cited by 2 publications

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

A Tunable Transparent Graphene Absorber with Multifrequency Resonance

Chen,

Cui,

Yang

et al. 2024

Adv Elect Materials

View full text Add to dashboard Cite

The demand for multinarrowband absorber has attracted increasing interest among researchers in recent years. However, integrating multifrequency absorption, tunability, and high optical transparency into an absorber remains a crucial challenge. In this study, a multiband, tunable, and transparent microwave meta‐absorber is theoretically proposed and experimentally demonstrated. This meta‐absorber is composed of resonant patterns made from graphene and indium tin oxide (ITO), placed on a substrate of lithium niobate (LN). By introducing P‐type doping to reduce the resistance of monolayer graphene to around 300 Ω, the impedance matching of the absorber is promoted, consequently manifesting ten absorption points within 40 GHz. The electric field distribution analysis and an equivalent circuit model are employed to elucidate the physical mechanisms of the multiband absorber. Additionally, the lithium niobate dielectric layer possesses a substantial dielectric constant and exhibits phase transition characteristics with temperature changes. When the temperature increases to 250 °C, a comprehensive tuning range of more than 5.49 GHz within 40 GHz range is realized. The maximum tuning range for a single frequency point is 1.33 GHz. With the broadening of the band, the meta‐absorber can provide multiple tunable ranges, making it more favorable for practical applications in optical modulator and sensor.

show abstract

A Tunable Transparent Graphene Absorber with Multifrequency Resonance

Chen,

Cui,

Yang

et al. 2024

Adv Elect Materials

View full text Add to dashboard Cite

show abstract

激光诱导氮掺杂石墨烯宽光谱光电探测器

Wang Yutong,

Han Chunrui,

Ke Changjun

et al. 2023

红外与激光工程

View full text Add to dashboard Cite

scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.

Contact Info

customersupport@researchsolutions.com

10624 S. Eastern Ave., Ste. A-614

Henderson, NV 89052, USA

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Blog Terms and Conditions API Terms Privacy Policy Contact Cookie Preferences Do Not Sell or Share My Personal Information

Made with 💙 for researchers

Part of the Research Solutions Family.

Characterization of polycrystalline graphene based CVD by laser polarization Raman

Cited by 2 publications

References 0 publications

A Tunable Transparent Graphene Absorber with Multifrequency Resonance

A Tunable Transparent Graphene Absorber with Multifrequency Resonance

激光诱导氮掺杂石墨烯宽光谱光电探测器

Contact Info

Product

Resources

About