Influence of silicon substitution on the properties of lithium ferrite

Magnetic and Mössbauer studies of Ni substituted Li–Zn ferrite

“…The observed values of room-temperature saturation magnetization as shown in Table 1 are relatively high, as compared with the results of other workers [3,13,15,16]. An anomalously high value of saturation magnetization is obtained for x ¼ 0.06 sample [17].…”

“…They have many technological applications such as in microwave devices, memory core application, etc. owing to their high saturation magnetization, Curie temperature and interesting hysteresis loop properties [1][2][3][4][5]. The basic lithium ferrite can be molecularly engineered by changing the substitution or employing varied synthesis method, to obtain desired properties for specific application.…”

Enhancement of electric and magnetic properties of Mn–Zn ferrite by Ni–Ti ions substitution

“…The decrease in (T c ) mag. is due to the partial replacement Fe 3+ ions by Ti 4+ and Ni 2+ ions which enter B-sites, resulting in the decrease of magnetic ions density in the B-sites, which weakens the strength of the A-B exchange interaction Fe A 3+ -O 2À -Fe B 3+ [29]. Thus the thermal energy required to offset the spin alignment decreases, thereby decreasing the Curie temperature (T c ) mag.…”

Study of the temperature and organic bindings effects in the dielectric and structural properties of the lithium ferrite ceramic matrix (LiFe5O8)

“…One example of this mixed spinel is the lithium and substituted lithium ferrites, which present actually high scientific and technological interest due to their attractive physical properties like the high Curie temperature, the presence of a hysteresis loop, high saturation magnetization and good thermal stability. Due to these properties, potential technological applications as, for example, cathode materials in lithium ion batteries [1][2][3] and microwave applications [4,5] are being investigated. Moreover, those properties have allowed the use of lithium and lithium-based ferrites in applications like memory cores and electromagnetic devices in radio frequency region, since they have high electrical resistivity and frequency-dependent permeability [6][7][8].…”