کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1594997 | 1515712 | 2008 | 4 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Effect of Mn doping on magnetic and transport properties of SrRuO3 perovskite Effect of Mn doping on magnetic and transport properties of SrRuO3 perovskite](/preview/png/1594997.png)
Structural, magnetic and transport properties of polycrystalline SrRu1−xMnxO3 (0≤x≤10≤x≤1) were investigated over a temperature from 10 to 300 K. Temperature dependence of magnetic properties and electrical resistivity were measured using a superconducting quantum interference device (SQUID). Low-temperature resistivity ρρ undergoes dramatic changes, by nine orders of magnitude from x=0x=0 to x=0.61x=0.61 at 10 K. In high-temperature region, the experimental data obey variable-range hopping (VRH) model. Localized length is estimated to scale from 2.97 to 9.32 Å. The present work demonstrate that the Mn-doped SrRuO3 exhibits a transition from metallic conduction state to insulating state due to interruption of the itinerancy of Ru 4d electrons by Mn substitution.
Journal: Solid State Communications - Volume 145, Issues 5–6, February 2008, Pages 259–262