Evolution of anisotropic magnetic properties through helix-to-fan transition in helical antiferromagnetic EuCo2As2. - Kim, Jong Hyuk; Kim, Mi Kyung; Hong, Jae Min; Shin, Hyun Jun; Jeong, Ki Won; Kim, Jin Seok; Moon, Kyungsun; Lee, Nara; Choi, Young Jai (Communications Physics, 2023)