http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Tetsuji Okuda,Satoshi Oozono,Takumi Kihara,Masashi Tokunaga 한국물리학회 2013 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.62 No.12
The magnetotransport property of a hole-doped delafossite CuCr0.97Mg0.03O2 with a spin-3/2antiferromagnetic (AF) triangular sublattice was investigated by using a pulsed high magneticfield. A dramatic change of magnetoresistance was observed with a variation of temperature, whichindicates that a spin fluctuation due to a competition between the AF and the ferromagnetic Hund’sinteractions is enhanced at temperatures around the N´eel temperatures (TN). The competitionmay lead to a partially-disordered state at temperatures below TN which may cause a nontrivialpromotion of a 120˚ Neel state.
Anisotropic Magnetic Properties in Åkermanite Sr2MSi2O7 (M=Co, Mn) Crystals
Mitsuru Akaki,Tomoya Tadokoro,Hideki Kuwahara,Takumi Kihara,Masashi Tokunaga 한국물리학회 2013 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.62 No.12
We have investigated the magnetic and the dielectric properties of °akermanite Sr2CoSi2O7 and Sr2MnSi2O7 single crystals. Sr2CoSi2O7 shows a canted antiferromagnetism with a large magnetic anisotropy at temperatures below 7 K. By applying a magnetic field along the [110] direction, an electric polarization emerges along the c axis at temperatures below the magnetic transition temperature. In high magnetic fields, the saturation magnetization becomes enhanced only when the electric polarization appears. In contrast, the magnetization of Sr2MnSi2O7 is isotropic at all temperatures, and its magnetic-field-induced electric polarization is very small. These results suggest that the electronic configuration of the transition-metal ion is of crucial importance for the appearance of electric polarization.