Single crystal growth and electronic structure of Rh-doped Sr 3 Ir 2 O 7

Wang, Bingqian; Peng, Shuting; Ou, Zhipeng; Wang, Yuchen; Waqas, Muhammad; Luo, Yang; Wei, Zhiyuan; Huai, Linwei; Shen, Jianchang; Miao, Yu; Sun, Xiupeng; Yin, Yuewei; He, Junfeng

doi:10.1088/1674-1056/acd7d5

Single crystal growth and electronic structure of Rh-doped Sr ₃ Ir ₂ O ₇

Journal Article · 01 August 2023 · Chinese Physics B

DOI:https://doi.org/10.1088/1674-1056/acd7d5· OSTI ID:2423930

Wang, Bingqian; Peng, Shuting; Ou, Zhipeng; Wang, Yuchen; Waqas, Muhammad; Luo, Yang; Wei, Zhiyuan; Huai, Linwei; Shen, Jianchang; Miao, Yu; Sun, Xiupeng; Yin, Yuewei; He, Junfeng

Ruddlesden-Popper iridate Sr₃Ir₂O₇is a spin–orbit coupled Mott insulator. Hole doped Sr₃Ir₂O₇provides an ideal platform to study the exotic quantum phenomena that occur near the metal–insulator transition (MIT) region. Rh substitution of Ir is an effective method to induce hole doping into Sr₃Ir₂O₇. However, the highest doping level reported in Sr₃(Ir_1−xRh_x)₂O₇single crystals was only around 3%, which is far from the MIT region. In this paper, we report the successful growth of single crystals of Sr₃(Ir_1−xRh_x)₂O₇with a doping level of ~ 9%. The samples have been fully characterized, demonstrating the high quality of the single crystals. Transport measurements have been carried out, confirming the tendency of MIT in these samples. The electronic structure has also been examined by angle-resolved photoemission spectroscopy (ARPES) measurements. Our results establish a platform to investigate the heavily hole doped Sr₃Ir₂O₇compound, which also provide new insights into the MIT with hole doping in this material system.

Research Organization:: SLAC National Accelerator Laboratory, Menlo Park, CA (United States). Stanford Synchrotron Radiation Lightsource (SSRL)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC02-76SF00515

OSTI ID:: 2423930

Journal Information:: Chinese Physics B, Journal Name: Chinese Physics B Journal Issue: 8 Vol. 32; ISSN 1674-1056

Publisher:: IOP Publishing

Country of Publication:: United States

Language:: English

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