Spin glass, single-ion and dense Kondo effects in La1−xCexFePO Qian Chen, Mengmeng Wang, Lei Qiao, Abduweli Ablimit, Yongkang Luo, Yuke Li, Jianhui Dai, Guang-Han Cao and Zhu-An Xu EPL, 123 5 (2018) 57002 Published online: 27 September 2018 DOI: 10.1209/0295-5075/123/57002