金属混合塑料超导体的制备：塑料衬底上锡锑薄膜的电学性质
Preparation of Metal Mixed Plastic Superconductors: Electrical Properties of Tin-Antimony Thin Films on Plastic Substrates
摘要：
金属混合聚合物是制备柔性金属和超导体的一种廉价而有效的方法。作为一个正在进行的努力，以了解如何调整这些系统的性能与离子注入的一部分，我们提出了一个研究这些系统的电性能之前，金属混合。我们表明，锡锑薄膜的电性能是显着的稳健的衬底形态的变化。我们证明，在一个固定的波长的膜的吸光度提供了一个可靠的和可重复的表征的相对膜厚度。我们发现，随着薄膜厚度的减小，未注入的薄膜中的超导转变变宽，但转变的起始温度仍保持在体Sn的转变温度~3.7 K。这与金属混合膜的行为形成鲜明对比，这表明金属混合过程对超导态的物理学具有显著的影响，超出了单独减少膜厚度所实现的影响。
英文摘要：
Metal mixed polymers are a cheap and effective way to produce flexible metals and superconductors. As part of an on-going effort to learn how to tune the properties of these systems with ion implantation, we present a study of the electrical properties of these systems prior to metal-mixing. We show that the electrical properties of tin-antimony thin films are remarkably robust to variations in the substrate morphology. We demonstrate that the optical absorbance of the films at a fixed wavelength provides a reliable and reproducible characterization of the relative film thickness. We find that as the film thickness is reduced, the superconducting transition in the unimplanted thin films is broadened, but the onset of the transition remains at ~3.7 K, the transition temperature of bulk Sn. This is in marked contrast to the behavior of metal mixed films, which suggests that the metal mixing process has a significant effect of the physics of the superconducting state beyond that achieved by reducing the film thickness alone.
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