"S. Okubo,Tomonari Ueda,H. Ohta,Weimin Zhang,T. Sakurai,Nozomi Onishi,Masaki Azuma,Yuichi Shimakawa,Hiroki Nakano,T. Sakai","Dzyaloshinsky-Moriya interaction and field-induced magnetic order in an antiferromagnetic honeycomb lattice compound Bi3Mn4O12(NO3) studied by high-field electron spin resonance",,"PHYSICAL REVIEW B",,"Vol. 86","No. 140401","pp. 1-4",2012,Oct.
"M. Fujisawa,K. Shiraki,S. Okubo,H. Ohta,M. Yoshida,H. Tanaka,T. Sakai","Dzyaloshinsky-Moriya interaction in the S=1/2 quasi one-dimensional antiferromagnet Cu<sub>2</sub>Cl<sub>4</sub>?H<sub>8</sub>C<sub>4</sub>SO<sub>2</sub> as determined via high frequency ESR",,"Phys. Rev. B",,"Vol. 80",,"pp. 012408 (1-4)",2009,