Angle-resolved photoemission spectroscopy using a micro-focused beam spot [micro-angle-resolved photoemission spectroscopy (ARPES)] is becoming a powerful tool to elucidate key electronic states of exotic quantum materials. We have developed a versatile micro-ARPES system based on the synchrotron radiation beam focused with a Kirkpatrick–Baez mirror optics. The mirrors are monolithically installed on a stage, which is driven with five-axis motion, and are vibrationally separated from the ARPES measurement system. Spatial mapping of the Au photolithography pattern on Si signifies the beam spot size of 10 µm (horizontal) × 12 µm (vertical) at the sample position, which is well suited to resolve the fine structure in local electronic states. Utilization of the micro-beam and the high precision sample motion system enables the accurate spatially resolved band-structure mapping, as demonstrated by the observation of a small band anomaly associated with tiny sample bending near the edge of a cleaved topological insulator single crystal.
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March 2022
Research Article|
March 29 2022
Development of a versatile micro-focused angle-resolved photoemission spectroscopy system with Kirkpatrick–Baez mirror optics
Miho Kitamura
;
Miho Kitamura
1
Photon Factory, Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK)
, Tsukuba 305-0801, Japan
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Seigo Souma
;
Seigo Souma
2
Center for Spintronics Research Network, Tohoku University
, Sendai 980-8577, Japan
3
Advanced Institute for Materials Research (WPI-AIMR), Tohoku University
, Sendai 980-8577, Japan
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Asuka Honma;
Asuka Honma
4
Department of Physics, Graduate School of Science, Tohoku University
, Sendai 980-8578, Japan
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Daisuke Wakabayashi
;
Daisuke Wakabayashi
1
Photon Factory, Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK)
, Tsukuba 305-0801, Japan
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Hirokazu Tanaka;
Hirokazu Tanaka
1
Photon Factory, Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK)
, Tsukuba 305-0801, Japan
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Akio Toyoshima;
Akio Toyoshima
1
Photon Factory, Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK)
, Tsukuba 305-0801, Japan
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Kenta Amemiya
;
Kenta Amemiya
1
Photon Factory, Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK)
, Tsukuba 305-0801, Japan
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Tappei Kawakami;
Tappei Kawakami
4
Department of Physics, Graduate School of Science, Tohoku University
, Sendai 980-8578, Japan
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Katsuaki Sugawara
;
Katsuaki Sugawara
2
Center for Spintronics Research Network, Tohoku University
, Sendai 980-8577, Japan
3
Advanced Institute for Materials Research (WPI-AIMR), Tohoku University
, Sendai 980-8577, Japan
4
Department of Physics, Graduate School of Science, Tohoku University
, Sendai 980-8578, Japan
5
Precursory Research for Embryonic Science and Technology, Japan Science and Technology Agency
, Tokyo 102-0076, Japan
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Kosuke Nakayama
;
Kosuke Nakayama
4
Department of Physics, Graduate School of Science, Tohoku University
, Sendai 980-8578, Japan
5
Precursory Research for Embryonic Science and Technology, Japan Science and Technology Agency
, Tokyo 102-0076, Japan
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Kohei Yoshimatsu
;
Kohei Yoshimatsu
6
Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University
, Sendai 980-8577, Japan
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Hiroshi Kumigashira
;
Hiroshi Kumigashira
1
Photon Factory, Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK)
, Tsukuba 305-0801, Japan
6
Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University
, Sendai 980-8577, Japan
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Takafumi Sato
;
Takafumi Sato
2
Center for Spintronics Research Network, Tohoku University
, Sendai 980-8577, Japan
3
Advanced Institute for Materials Research (WPI-AIMR), Tohoku University
, Sendai 980-8577, Japan
4
Department of Physics, Graduate School of Science, Tohoku University
, Sendai 980-8578, Japan
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Koji Horiba
Koji Horiba
a)
1
Photon Factory, Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK)
, Tsukuba 305-0801, Japan
7
Institute for Advanced Synchrotron Light Source, National Institutes for Quantum Science and Technology (QST)
, Sendai 980-8579, Japan
a)Author to whom correspondence should be addressed: horiba.koji@qst.go.jp
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a)Author to whom correspondence should be addressed: horiba.koji@qst.go.jp
Rev. Sci. Instrum. 93, 033906 (2022)
Article history
Received:
October 08 2021
Accepted:
February 28 2022
Citation
Miho Kitamura, Seigo Souma, Asuka Honma, Daisuke Wakabayashi, Hirokazu Tanaka, Akio Toyoshima, Kenta Amemiya, Tappei Kawakami, Katsuaki Sugawara, Kosuke Nakayama, Kohei Yoshimatsu, Hiroshi Kumigashira, Takafumi Sato, Koji Horiba; Development of a versatile micro-focused angle-resolved photoemission spectroscopy system with Kirkpatrick–Baez mirror optics. Rev. Sci. Instrum. 1 March 2022; 93 (3): 033906. https://doi.org/10.1063/5.0074393
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