@inproceedings{SisLab2898,
       booktitle = {H?i ngh{\d i} V?t l{\'y} Ch?t r?n v{\`a} Khoa h{\d o}c V?t li?u To{\`a}n qu?c ? SPMS 2017},
           month = {October},
           title = {Nghi{\^e}n c?u ch? t{\d a}o h{\d a}t nano COP b?ng ph??ng ph{\'a}p {\dj}i?n h{\'o}a si{\^e}u {\^a}m},
          author = {Quang Ngoc Do and Kim Liet Hoang and Thi Nu Hoang and Duy Thien Nguyen and Thi Huong Giang Do and Minh Hoang Nguyen and Tuan Tu Le},
            year = {2017},
             url = {https://eprints.uet.vnu.edu.vn/eprints/id/eprint/2898/},
        abstract = {Ph??ng ph{\'a}p {\dj}i?n h{\'o}a si{\^e}u {\^a}m l{\`a} ph??ng ph{\'a}p {\dj}i?n h{\'o}a k?t h?p v?i s{\'o}ng si{\^e}u {\^a}m {\dj}? ch? t{\d a}o c{\'a}c h{\d a}t nano. C{\'a}c h{\d a}t nano CoP {\dj}??c ch? t{\d a}o b?ng ph??ng ph{\'a}p {\dj}i?n h{\'o}a si{\^e}u {\^a}m t{\d a}i nhi?t {\dj}? ph{\`o}ng. C? ch? l?ng {\dj}{\d o}ng v{\`a} th? {\dj}i?n h{\'o}a {\dj}??c x{\'a}c {\dj}{\d i}nh b?ng ph??ng ph{\'a}p Vol-Ampe v{\`o}ng. C?u tr{\'u}c tinh th? v{\`a} h{\`i}nh th{\'a}i h{\d o}c c{\h u}a m?u {\dj}??c ph{\^a}n t{\'i}ch b?ng nhi?u x{\d a} tia X (XRD), hi?n vi {\dj}i?n t? qu{\'e}t (SEM). Th{\`a}nh ph?n c{\h u}a m?u {\dj}??c x{\'a}c {\dj}{\d i}nh b?ng ph? t{\'a}n s?c n{\u a}ng l??ng tia X (EDS). {\DJ}??ng cong t? tr? {\dj}??c {\dj}o b?ng thi?t b{\d i} t? k? m?u rung (VSM). Quan s{\'a}t gia? {\dj}{\^o} nhi?u x{\d a} tia X cho th?y, c?u tru? tinh th? c{\h u}a h{\d a}t nano CoP l{\`a} c?u tru? lu? gi{\'a}c x?p ch{\u a}? hcp (100) v{\`a} hcp (002).
{\h A}nh hi?n vi {\dj}i?n t? qu{\'e}t ch{\h i} ra r?ng c{\'a}c h{\d a}t nano t{\d a}o th{\`a}nh c{\'o} {\dj}??ng k{\'i}nh trong khoa?g 100-300 nm. K?t qua {\dj}o
t{\'i}nh ch?t t? cho th?y, l?c kh{\'a}ng t? c{\h u}a m?u CoP c? 756 Oe. {\h A}nh h??ng c{\h u}a th? l?ng {\dj}{\d o}ng v{\`a} t?n s? xung si{\^e}u
{\^a}m l{\^e}n k{\'i}ch th??c h{\d a}t c{\~u}ng {\dj}{\~a} {\dj}??c nghi{\^e}n c?u}
}