کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1334177 | 979152 | 2005 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Effects of cation vacancy distribution in doped LaMnO3+δ perovskites
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی معدنی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
In this paper, we report studies on the correlation between the presence and distribution of cation vacancies in doped manganites (La, M)MnO3+δ (where M=Na, Ca) and their magnetic properties. Results indicate that cation vacancies are distributed differently for the different crystal structures and dopant ion type. In particular, it is shown that knowledge of the total vacancies concentration alone is not enough to fully characterize the physical properties of manganites and that their distribution between the A and B sites of the perovskite structure plays a crucial role which should be taken into account in future studies.
Refined neutron diffraction pattern for the LaMnO3 samples.Figure optionsDownload as PowerPoint slide
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Solid State Chemistry - Volume 178, Issue 6, June 2005, Pages 2042–2049
Journal: Journal of Solid State Chemistry - Volume 178, Issue 6, June 2005, Pages 2042–2049
نویسندگان
Lorenzo Malavasi, Clemens Ritter, Maria Cristina Mozzati, Cristina Tealdi, M. Saiful Islam, Carlo Bruno Azzoni, Giorgio Flor,