[PDF] Top 20 Electronic structure and transport properties of La0.7Ce0.3MnO3

... ments of M共B兲, R H and R S were then obtained by fitting xy 共B兲 to the abovementioned Hall resistivity ...Fig. 3, the positive slope d ␳ xy / dB in the high field regime, where M共B兲 saturates, ... See full document

... is of interest to investigate the underlying mechanism in further ...magnetic and transport properties in LCMO are associated with the e g ...ordering and the consequent rðT Þ through ... See full document

... (255 and 270 K for B and C, respec- tively ), the presence of CeO 2 in the films does not seem to result in any noticeable influence on the R 共T兲 ...speculation of attributing the double ... See full document

... characteristics of Pr 3+ and Pr 4+ mixture, indicating that the LPMO ceramic might be an electron- doped CMR ...single-phase La x Sn 1−x MnO 3 共LSnMO兲 represents an even more ... See full document

... Single-phase La 0.7 Sn 0.3 MnO 3 (LSnMO) thin films were fabricated on SrTiO 3 (STO) substrates by pulsed laser deposition ...sign of insulator-–metal ... See full document

... La 0.7 Ce 0.3 MnO 3 共LCeMO兲 and La ...Ca 0.3 MnO 3 共LCaMO兲 are known as n- and p-type colossal magnetore- sistance ... See full document

... RESULT AND DISCUSSION A. Structure, magnetic, and electronic properties The powder x-ray diffraction at room temperature shows that all the samples under investigation are of ... See full document

... ZnO structure by electron beam lithog- raphy, and the best photoluminescence characteristics of ZnO was exhibited after heat treated at 500 ° ...developable La 0.7 Sr ... See full document

... optical properties of photonic crystals are modulated either by changing the radius with fixed lattice constant or by changing the lattice constant with fixed ...types of La 0.7 ... See full document

... elongations of the crystal structure have also been determined by surface x-ray diffrac- tion at the interface 42,43 between LaAlO 3 and SrTiO 3 ...LaAlO 3 was also tensile ... See full document

... Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois, 61801, USA (Received 15 December 2009; published 6 July 2010) We report the formation ... See full document

... structures and transport properties have been studied by x-ray diffraction and four-point probe measure- ments, ...rent of 200 mA. The spectra were taken using the fluores- cence yield ... See full document

... optical and magneto-optical (MO) properties of (La ...A 0.3 )MnO 3 (A ¼ Sr, Ca, and Ce) thin films have been ...shape of spectra is strongly ... See full document

... Figure 3. The temperature dependence of (a) amplitude A f ast (T) and (b) relaxation time τ f ast (T) of the fast ...in La 0 .7 Ca 0 .3 MnO 3 ... See full document

... region of the edge, the absorption spectrum deviated from the straight line ...vior of E† 2 ...allowed electronic transition between the highest occupied state of the valence band and ... See full document

... x MnO 3 with R being a trivalent rare-earth ion and A being a divalent dopant 兲 have become the focus of attention owing to the colossal magnetoresistance 共CMR兲 and a wealth of ... See full document

... ．．．．．．11 2.3龐巨磁阻材料．．．．．．．．．．．．．．．．12 2.3.1雙交換理論．．．．．．．．．．．．．． ．15 2.3.2 Jahn-Teller distortion．．．．．．．．．．．16 第三章 實驗方法 3.1實驗流程．．．．．．．．．．．．．． ．．．17 3.1.1薄膜成長．．．．．．．．．．．．．．．17 ... See full document

... dependent of measuring history and the strength of the applied field (see ...1 0) region exhibits relatively poor ...1 0Þ and R SJ : However, whether both are due to purely ... See full document

... 共AMR兲 of GBs has also been extensively discussed 11–15 ow- ing to the importance of AMR effect on the operation of conventional magnetoresistive read heads used in magnetic storage ...property ... See full document

... insulators, and the YBCO/LSMO systems remain superconducting; while for d LSMO ≥ 50 nm the LSMO films become ferromagnetic metals, and the YBCO/LSMO systems lose their superconductivity, due to the strong ... See full document