Romaguera-Barcelay Yonny, Figueiras Fábio Gabriel, Govea-Alcaide Ernesto, Brito Walter Ricardo, Filho Henrique Duarte da Fonseca, Gandarilla Ariamna María Dip, Ţălu Ştefan, Tavares Pedro B, de la Cruz Javier Pérez
BioMark@UC, Faculty of Sciences and Technology, University of Coimbra, 3004-531 Coimbra, Portugal.
Department of Physics, Federal University of Amazonas, Manaus 69067-005, AM, Brazil.
Materials (Basel). 2023 Jun 23;16(13):4553. doi: 10.3390/ma16134553.
The effects on the structure and magnetic properties of EuYMnO (0.0 ≤ x ≤ 0.5) thin films due to lattice strain were investigated and compared with those obtained in equivalent composition ceramics. The films were deposited by spin-coating chemical solution onto Pt\TiO\SiO\Si (100) standard substrates. X-ray diffraction and Raman spectroscopy measurements revealed that all films crystallize in orthorhombic structure with space group , observing an added contraction of the unit cell with increasing Y-substitution ou Eu, corresponding to a broadening of the Mn-O1-Mn angle and a gradual decrease in magnetic order response.
研究了晶格应变对EuYMnO（0.0≤x≤0.5）薄膜结构和磁性能的影响，并与相同成分陶瓷的情况进行了比较。通过旋涂化学溶液将薄膜沉积在Pt\TiO\SiO\Si（100）标准衬底上。X射线衍射和拉曼光谱测量表明，所有薄膜均以正交结构结晶，空间群为 ，观察到随着Y取代Eu的增加，晶胞有额外的收缩，这对应于Mn - O1 - Mn角的变宽和磁有序响应的逐渐降低。
