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首页> 外文会议>Laser Applications in Microelectronic and Optoelectronic Manufacturing III >Pulsed-laser deposition of YBa2Cu307-La0.67Sr0.33MnO3 thin film multilayers for spin injection devices
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Pulsed-laser deposition of YBa2Cu307-La0.67Sr0.33MnO3 thin film multilayers for spin injection devices

机译：用于自旋注入装置的YBa2Cu307-La0.67Sr0.33MnO3薄膜多层的脉冲激光沉积

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Abstract: Pulsed laser deposition has been used for the growth of high quality YBa$-2$/Cu$-3$/O$-7$/ and La$-0.67$/Sr$-0.33$/MnO$- 3$/ thin films and multilayers for electronic device applications. In particular, YBa$-2$/Cu$-3$/O$-7$/ - (SrTiO$-3$/, CeO$-2$/) - La$-0.67$/Sr$-0.33$/MnO$-3$/ trilayer devices were fabricated to study the supercurrent suppression by the injection of a spin-polarized quasiparticle current. Our results show that the critical current for a YBa$-2$/Cu$-3$/O$-7$/ - 50 angstroms SrTiO$- 3$/ - La$-0.67$/Sr$-0.33$/MnO$-3$/ device was found to decrease from 120 mA to 15 mA, for an injection current of 60 mA of spin polarized current yielding a negative current gain of approximately 1.8. The effect of film microstructure on the critical current suppression was investigated. Defects in the SrTiO$-3$/ and CeO$-2$/ layers were found to control the device properties. Once optimized, spin injection represents a new approach to fabricating superconducting transistors which could impact electronic systems for many important next generation.!9
机译：摘要：脉冲激光沉积已用于生长高质量YBa $ -2 $ / Cu $ -3 $ / O $ -7 $ /和La $ -0.67 $ / Sr $ -0.33 $ / MnO $ -3 $ /用于电子设备的薄膜和多层膜。特别是YBa $ -2 $ / Cu $ -3 $ / O $ -7 $ /-（SrTiO $ -3 $ /，CeO $ -2 $ /）-La $ -0.67 $ / Sr $ -0.33 $ /制造了MnO $ -3 $ /三层器件，以研究通过注入自旋极化的准粒子电流对超电流的抑制作用。我们的结果表明，YBa $ -2 $ / Cu $ -3 $ / O $ -7 $ /-50埃SrTiO $ -3 $ /-La $ -0.67 $ / Sr $ -0.33 $ / MnO的临界电流对于自旋极化电流60 mA的注入电流，产生的负电流增益约为1.8，发现$ -3 $ /器件从120 mA减小至15 mA。研究了膜微结构对临界电流抑制的影响。发现SrTiO $ -3 $ /和CeO $ -2 $ /层中的缺陷控制了器件的性能。一旦进行了优化，自旋注入代表了一种制造超导晶体管的新方法，该方法可能会影响许多重要的下一代电子系统！9

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