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journal article·2019-01-01Open access

High-Tc superconducting THz emitters fabricated by wet etching

Yuuki Shibano, Takanari Kashiwagi, Yuki Komori, Kazuki Sakamoto, Yuki Tanabe, Takashi Yamamoto, Hidetoshi Minami, Richard A. Klemm, Kazuo Kadowaki

AIP Advances· Volume 9· Issue 1
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Source abstract

Abstract

We studied the etching of small crystals of the high-Tc superconductor Bi2Sr2CaCu2O8+δ (Bi2212) with various dilute compositions of hydrochloric and nitric acids. A particular mixture of those acids was chosen to simultaneously fabricate multiple rectangular stand-alone Bi2212 mesa structures from a large, doubly-cleaved and doubly metallic-coated single crystal. The radiation characteristics of these devices were found to be very similar to stand-alone devices fabricated previously using dry-etching techniques. The greatly reduced time and cost of fabrication of stand-alone Bi2212 devices using our wet-etching technique should facilitate the mass production of a large number of identical stand-alone devices from a large single-crystalline Bi2212 substrate.
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Research context

OpenAlex topics: Physics of Superconductivity and Magnetism · Terahertz technology and applications · Acoustic Wave Resonator Technologies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Graduate School of Pure & Applied Sciences, University of Tsukuba 1 , 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573, Japan

Division of Materials Science, Faculty of Pure & Applied Sciences, University of Tsukuba 2 , 1-1-1, Tennodai, Tsukuba, Ibaraki 305-8573, Japan

QuTech, Delft University of Technology 3 , PO Box 5046, 2600 GA Delft, The Netherlands

Department of Physics, University of Central Florida 4 , 4111 Libra Drive, Orlando, Florida 32816-2385, USA

Algae-Biomass and Energy System(ABES) Research & Development Center, University of Tsukuba 5 , 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan

Funding

Futaba Electronics Memorial Foundation · Japan Society for the Promotion of Science

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