Chin. Phys. Lett.  2004, Vol. 21 Issue (9): 1808-1810    DOI:
Original Articles |
Non-ferromagnetic Insulating Interface Region in La0.14Pr0.56Sr0.3MnO0.3/SrTiO3 and La0.7Ca0.3MnO3/Gd0.7Ca0.3MnO3 Multilayers
WANG Xin;LIU Da-Meng;LIAN Gui-Jun;XIONG Guang-Cheng
Department of Physics and State Key Laboratory of Mesoscopic Physics, Peking University, Beijing 100871
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WANG Xin, LIU Da-Meng, LIAN Gui-Jun et al  2004 Chin. Phys. Lett. 21 1808-1810
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Abstract La0.14Pr0.56Sr0.3MnO3/SrTiO3 and La0.7Ca0.3MnO3/Gd0.7Ca0.3MnO3 multilayers have been fabricated by using pulsed laser deposition. The insulator--metal transition temperatures of the multilayers decrease with the decreasing thickness of the ferromagnetic layers. It is confirmed from the experiment and analysis that a non-ferromagnetic insulating region exists near the interface, which could not be attributed to the roughness of the growth surfaces and disorder of the ferromagnetic layers.
Keywords: 75.30.Vn 75.70.Ak     
Published: 01 September 2004
PACS:  75.30.Vn 75.70.Ak  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2004/V21/I9/01808
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