Interface effects in the magneto-optical properties of Co nanoparticles in dielectric matrix
Interface effects in the magneto-optical properties of Co nanoparticles in dielectric matrix
复制标题
介电基体中钴纳米粒子磁光特性的界面效应
DOI：
10.1063/1.2737126
复制
发表时间：
2007
影响因子：
4
通讯作者：
X. Batlle
中科院分区：
文献类型：
--
作者：
C. Clavero;G. Armelles;J. Margueritat;J. Gonzalo;M. G. D. Muro;A. Labarta;X. Batlle
作者提出了一个研究的光学和磁光性质的Co纳米颗粒嵌入在两个非晶介电基质具有不同的折射率，如ZrO 2和Al 2 O 3。采用脉冲激光沉积法制备了纳米结构薄膜，并采用不同的表征技术对薄膜的形貌和结构进行了研究。的光学和磁光（MO）的纳米粒子内的Co的性质不同于散装材料，特别是，在MO常数的减少被发现。这些属性被发现依赖于纳米粒子的尺寸和介电矩阵，由于不同的纳米粒子-矩阵界面出现在两种情况下。
The authors present a study of the optical and magneto-optical properties of Co nanoparticles embedded in two amorphous dielectric matrices with different refractive indices such as ZrO2 and Al2O3. The nanostructured films were prepared by pulsed laser deposition, and the morphology and structure were studied by different characterization techniques. The optical and magneto-optical (MO) properties of the Co inside the nanoparticles differ from those of the bulk material; in particular, a decrease in the MO constants is found. These properties are found to depend on the nanoparticle size and on the dielectric matrix, due to the different nanoparticle-matrix interfaces appearing in both cases.