Field emission scanning electron microscopy (FE-SEM), X-ray diffraction (XRD), Raman technique, and photoluminescence (PL) were used to characterize the electrospun nanofibers. FE-SEM results indicated that the diameters all of the nanofibers ranged from 100 to 300 nm, and the lengths of ...
本研究采用了X射线衍射(XRD)和光学吸收光谱等方法,对βGa2O3单晶的结构和光学性能进行了表征。 5.2实验结果。 实验结果显示,βGa2O3单晶在不同条件下具有不同的半高全宽。通过对比不同生长条件下的样品,发现了结晶生长方法对半高全宽的影响。 6.结论与展望。 通过对βGa2O3单晶氧化镓的半高全宽进行研究,可以更...
The coexistence of these two crystalline phases was verified via X-ray diffraction (XRD) and Raman spectroscopy analyses, while optical microscopy provided visual evidence regarding surface morphology changes throughout phase junction formation stages. Furthermore, we utilized a UV–visible spectrophotometer...
2.利用XRD、TEM等手段对所制备薄膜的结构和形貌进行表征; 3.对不同离子掺杂的薄膜进行表征和分析,探究掺杂对薄膜的性质影响; 4.对薄膜的光电性能进行研究。 三、研究意义: 1.通过本研究可优化Ga2O3薄膜的制备工艺,提高其质量和性能,为其在光电子器件等领域的应用提供可靠的基础材料; 2.通过掺杂改变其电学和光学...
摘要 通过在不同温度下氨化ZnO/Ga2O3膜,在Si衬底上成功制备了GaN纳米结构材料.氨化前,ZnO层和Ga2O3膜分别通过射频磁控溅射法依次溅射到Si衬底上.用X射线衍射(XRD)、红外傅里叶变换光谱(FTIR)分析了GaN晶体的结构... 关键词氨化 / ZnO/Ga2O3...
铁电层的X射线衍射(XRD)结果图; 图13为κ-Ga 2 O 3 铁电层的原子力显微镜(AFM)结果图; 图14为κ-Ga 2 O 3 铁电层的压电力显微镜(PFM)结果图; 图15为κ-Ga 2 O 3 铁电层在PUND测试下给出的极化强度结果图; 图16为本发明的负电容晶体管氧化物介质层被氧等离子体处理前的转移曲线图; 图17为本发明...
XRD和SEM测试结果表明,氢气等离子体处理后,Ga2O3薄膜的结晶度得到提高,晶粒尺寸增大,表面形貌更加均匀。对于Ce掺杂的Ga2O3薄膜,掺杂元素Ce的引入使得薄膜结构更为复杂,但氢气等离子体处理同样能改善其结构与形貌。 2.光学性能分析 紫外-可见分光光度计测试结果显示,氢气等离子体处理后,Ga2O3薄膜的吸收边发生红移,表明...
The morphology and structure of the products were characterized by scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), transmission electron microscopy (TEM), and X-ray diffraction (XRD). Large well alignment of network-like layered crystal beta-Ga2O3 structures that ...
具体来说,我们将通过固相合成的方法制备PtGa2O3WO3ZrO2催化剂,运用XRD、TEM、SEM、XPS等手段对催化剂进行结构和性质表征。利用正庚烷作为反应物,通过气相色谱-质谱等手段进行催化剂活性和选择性的测试,同时通过反应动力学和表面吸附行为的研究,探讨催化反应的机理和影响因素。 5.预期成果和意义 通过本研究,我们预计...
The out-of-plane epitaxial relationship as (310) B-Ga2O3// (0001) 伪-Al2O3 has been confirmed by XRD and HRTEM analysis. Under most growp conditions, B-Ga2O3 films exhibit pe coexistence of (310) and (201) out-of-plane orientation domains, and increasing pe growp temperatures and ...