Abstract The present work investigated the effect of the addition of V2O5 and MnCO3 on the microstructure and magnetic properties of Ni-Zn ferrite ceramic samples prepared by a conventional ceramic sintering method at different temperatures. With this aim, a series of samples were prepared by varying the loadings of V2O5-MnCO3 (un-doped, 0.4–0.1 wt%, 0.1–0.4 wt%, 0.2–0.3 wt%, 0.3–0.2 wt%, and 0.5–0.1 wt%, denoted as sample 1, sample 2, sample 3, sample 4, sample 5, and sample 6, respectively). The initial permeability and power loss of the different Ni-Zn ferrites were investigated with respect to the sintering temperature. The V2O5 and MnCO3 dopants significantly improved the initial permeability and power loss characteristics of the Ni-Zn ferrite at frequencies ≥0.5 MHz. When sintered at 1100 °C, sample 2 showed a maximum initial permeability of 931.23 H/m at a frequency of 1 MHz combined with a minimum power loss of 339.2 kW/m3. Co-doping with V2O5 and MnCO3 also resulted in the sintered samples with larger average grain sizes and higher density, while the sintering temperature of Ni-Zn ferrites was significantly reduced.

中文翻译：

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V2O5和MnCO3共掺杂Ni-Zn铁氧体陶瓷的磁性和微观结构

摘要 本工作研究了V2O5 和MnCO3 的添加对通过传统陶瓷烧结方法在不同温度下制备的Ni-Zn 铁氧体陶瓷样品的微观结构和磁性能的影响。为此，通过改变 V2O5-MnCO3 的负载量（未掺杂、0.4-0.1 wt%、0.1-0.4 wt%、0.2-0.3 wt%、0.3-0.2 wt% 和 0.5- 0.1 wt%，分别表示为样品 1、样品 2、样品 3、样品 4、样品 5 和样品 6）。研究了不同 Ni-Zn 铁氧体的初始磁导率和功率损耗与烧结温度的关系。V2O5 和 MnCO3 掺杂剂显着改善了 Ni-Zn 铁氧体在 ≥0.5 MHz 频率下的初始磁导率和功率损耗特性。在 1100°C 下烧结时，样品 2 在 1 MHz 频率下的最大初始渗透率为 931.23 H/m，同时最小功率损耗为 339.2 kW/m3。V2O5 和 MnCO3 的共掺杂也导致烧结样品具有更大的平均晶粒尺寸和更高的密度，而 Ni-Zn 铁氧体的烧结温度显着降低。