Evidences for the random singlet phase in a new honeycomb iridate SrIr2O6−δ

Pengbo Song,1, 2, 3 Kejia Zhu,4, 1 Fan Yang,5 Yuan Wei,1, 3 Lu Zhang,1, 3 Huaixin Yang,1, 3, 6 Xian-Lei Sheng,5 Yang Qi,7, 8 Jiamin Ni,8 Shiyan Li,8 Yanchun Li,9 Guanghan Cao,10, 11, 12 Zi Yang Meng,1, 13 Wei Li,5, 14 Youguo Shi,1, 2, 15, ∗ and Shiliang Li1, 3, 15, † 1Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China 2Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China 3School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100190, China 4School of Physics and Materials Science, Anhui University, Hefei, Anhui, 230601 P. R. China 5School of Physics, Beihang University, Beijing 100191, China 6Yangtze River Delta Physics Research Center Co., Ltd., Liyang, Jiangsu, 213300, People’s Republic of China 7Center for Field Theory and Particle Physics, Department of Physics, Fudan University, Shanghai 200433, China 8State Key Laboratory of Surface Physics, Department of Physics, Fudan University, Shanghai 200438, China 9Multidiscipline Research Center, Institute of High Energy Physics, Chinese Academy of Science, Beijing 100049, China 10Department of Physics, Zhejiang University, Hangzhou 310027, China 11Zhejiang Province Key Laboratory of Quantum Technology and Devices, Interdisciplinary Center for Quantum Information, and State Key Lab of Silicon Materials, Zhejiang University, Hangzhou 310027, China 12Collaborative Innovation Centre of Advanced Microstructures, Nanjing University, Nanjing 210093, China 13Department of Physics and HKU-UCAS Joint Institute of Theoretical and Computational Physics, The University of Hong Kong, Pokfulam Road, Hong Kong, China 14International Research Institute of Multidisciplinary Science, Beihang University, Being 100191, China 15Songshan Lake Materials Laboratory, Dongguan, Guangdong 523808, China