Hiroyuki Mitamura

TL;DR: In this paper, the authors investigated magnetic properties and magnetovolume effects for itinerant-electron metamagnetic compounds and found that with increasing Fe concentration, the Curie temperature decreases and the critical temperature of the IEM transition increases.

TL;DR: In this article, a triangular Ising spin system is considered to be in a partially disordered antiferromagnetic state for 10 K < T < 25 K and in a ferrimagnetic state below 10 K.

TL;DR: In this article, a Faraday force magnetometer was developed for static magnetization measurements at very low temperatures down to 100 mK and in fields up to 9 T. The magnetic force acting on a specimen located in the adiabatic vacuum chamber of a dilution refrigerator was detected by a newly designed load-sensing variable capacitor.

TL;DR: The magnetic phase transitions of the frustrated antiferromagnet were investigated by means of magnetization and specific heat measurements in this paper, and the magnetization plateau should be attributed to quantum fluctuation.

TL;DR: In this paper, the magnetic properties of Ca 3 Co 2 O 6 with ferromagnetic Ising chains have been studied using oriented sample along the chain direction, and it is suggested that an octahedral Co 3+ is nonmagnetic, whereas a trigonal prismatic Co 3+, has a fictitious spin S '=1 with large single-ion anisotropy (D ∼-25 K, g // ∼4).