Magnetic and Structural Studies in Co- and Mn-implanted SrTiO3 Single Crystals

被引:12
作者
Galinetto, P. [1 ,2 ]
Casiraghi, A. [1 ,2 ]
Mozzati, M. C. [1 ,2 ]
Azzoni, C. B. [1 ,2 ]
Norton, D. [3 ]
Boatner, L. A. [4 ]
Trepakov, V. [5 ,6 ]
机构
[1] Univ Pavia, CNISM, I-27100 Pavia, Italy
[2] Univ Pavia, Dipartimento Fis A Volta, I-27100 Pavia, Italy
[3] Univ Florida, Dept Mat Sci & Engn, Gainesville, FL 32611 USA
[4] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA
[5] Acad Sci Czech Republ, Inst Phys, Prague 18221 8, Czech Republic
[6] RAS, AF Ioffe Physicotech Inst, St Petersburg 194021, Russia
关键词
ROOM-TEMPERATURE FERROMAGNETISM; THIN-FILMS;
D O I
10.1080/00150190802368248
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Micro Raman and static magnetization data on manganese or cobalt-implanted (at 3 or 5 at.%) strontium titanate (Mn,Co):SrTiO3 single crystals are presented. Micro Raman results reveal a cubic perovskite structure at 300 K with no evidence of any secondary phase. All samples show ferromagnetism both at 300 K and at 10 K. Moreover, micro Raman spectra at low temperature reveal the presence of polar ordering, which allow to consider the investigated materials as possible host matrices for multiferroic phenomena. Obtained results are discussed in connection to supplementary outcomes derived by content, optical absorption and electron paramagnetic resonance (EPR) measurements.
引用
收藏
页码:358 / 368
页数:11
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