We fabricated high-quality ferrimagnetic CoFe₂O₄ (CFO) thin films on a mica substrate using a pulsed laser deposition technique. High-resolution X-ray diffraction and transmission electron microscopy revealed that the film grew epitaxially with the relationships of CFO <1-10> || Mica [010] and CFO [111] || Mica [001]. The films were highly flexible in terms of both inward and outward bending, and exhibited clear ferrimagnetic hysteresis with weak anisotropy in both the in-plane and out-of-plane directions. We observed that the magnetization of CFO films was robust against mechanical stimuli without microcracks. The remnant magnetization and coercive field were within 8% and 11% over a strain of ±0.54%. As the number of bending cycles increased, the magnetic easy axis became more closely aligned to the out-of-plane direction, without any noticeable change in domain size.

我们制造了高质量的亚铁磁性 CoFe ₂ O ₄(CFO) 使用脉冲激光沉积技术在云母基板上形成薄膜。高分辨率X射线衍射和透射电子显微镜显示，薄膜外延生长与CFO<1-10>的关系|| 云母 [010] 和首席财务官 [111] || 云母[001]。该薄膜在向内和向外弯曲方面都具有很高的柔韧性，并且在面内和面外方向都表现出明显的亚铁磁滞回和弱各向异性。我们观察到 CFO 薄膜的磁化强度对机械刺激具有很强的抵抗力，没有微裂纹。在 ±0.54% 的应变范围内，剩余磁化强度和矫顽力在 8% 和 11% 之内。随着弯曲循环次数的增加，易磁化轴与面外方向更紧密地对齐，畴尺寸没有任何明显变化。