- Tytuł:
- Surfactant Effect on Synthesis of Nanocrystalline La$\text{}_{x}$Sr$\text{}_{1-x}$MnO$\text{}_{3}$ by Hydrothermal Method
- Autorzy:
-
Sin, W. L.
Wong, K. H.
Li, P. Li. - Powiązania:
- https://bibliotekanauki.pl/articles/2047246.pdf
- Data publikacji:
- 2007-01
- Wydawca:
- Polska Akademia Nauk. Instytut Fizyki PAN
- Tematy:
-
75.47.Lx
82.70.Uv
61.10.Nz - Opis:
- Crystalline La$\text{}_{x}$Sr$\text{}_{1-x}$MnO$\text{}_{3}$ was prepared by a hydrothermal route in the presence of surfactant. The cationic surfactant of cetyltrimethylammonium bromide as a template is used to regulate the nucleation and crystal growth. The as-synthesized product was characterized by X-ray diffraction and transmission electron microscopy. Nanosized and uniform rod-like monocrystals of La$\text{}_{x}$Sr$\text{}_{1-x}$MnO$\text{}_{3}$ were obtained. Their magnetic properties were studied using a vibrating sample magnetometer. Our results reveal that the use of surfactant helps to lower the processing temperature and to speed up the formation and crystallization of La$\text{}_{x}$Sr$\text{}_{1-x}$MnO$\text{}_{3}$. The surfactant also provides us an additional means of controlling the nanocrystalline size and maintaining the stoichiometry of the as-prepared nanocrystallites.
- Źródło:
-
Acta Physica Polonica A; 2007, 111, 1; 165-171
0587-4246
1898-794X - Pojawia się w:
- Acta Physica Polonica A
- Dostawca treści:
- Biblioteka Nauki
Artykuł