Yui Sakaguchi   Shugo Ikeda   Naomi Kawamura   Masaichiro Mizumaki   Kentaro Kuga   Shintaro Suzuki   Keita Sone   Satoru Nakatsuji   Hisao Kobayashi   
PHYSICAL REVIEW B 105(15) 2022年4月
We report detailed valence fluctuation phenomena in the unique quantum-critical compound 0-YbAlB4 under pressures and at low temperatures. We directly observed the drastic change in the pressure dependence of the mean Yb valence at about 3 GPa wit...