<![CDATA[Ablation laser fluence as an effective parameter to control superconductivity in Ba<ce:inf loc='post'>1?<ce:italic>x</ce:italic> </ce:inf>K<ce:inf loc='post'> <ce:italic>x</ce:italic> </ce:inf>BiO<ce:inf loc='post'>3</ce:inf> films]]>
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首页> 外文期刊>JPC Bulletin on Iron & Steel >1?x K x BiO3 films]]>
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1?x K x BiO3 films]]>

机译： x 生物 3 薄膜]]>

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Abstract Potassium doping in insulating BaBiO3 induces superconductivity, with high superconducting transition temperatures, T c, of up to 31?K in bulk. We investigated growth control of superconducting properties of BKBO films, by varying laser fluence using pulsed laser deposition technique. As cation stoichiometry, especially potassium concentration in BKBO films, was sensitively changed with laser fluence, we were able to precisely control T c of BKBO films. Following the trend of the bulk phase diagram, T c showed the highest value of 24.5?±?0.5?K?at the optimal stoichiometry. This result can provide optimal guidance for the synthesis of high-quality BKBO films, and demonstrates the effectiveness of laser fluence to study emerging superconducting phenomena in PLD-grown complex oxide thin films. Highlights ? Growth control of superconducting Ba1?x K x BiO3 films by pulsed laser deposition. ? Ablation laser fluence varies cation stoichiometry, especially potassium density. ? The variation in the film stoichiometry leads to lattice contraction by 1.1%. ? Superconducting T c is controlled from zero to 24.5?K by adjusting the fluence. ]]>
机译：<！[CDATA [ 抽象 钾掺杂在绝缘babio中 3 诱导超导性，具有高超导过渡温度， T c ，散装最多31？k。采用脉冲激光沉积技术改变激光器，我们研究了BKBO薄膜超导性能的生长控制。作为阳离子化学计量，尤其是BKBO薄膜中的钾浓度，随着激光物流敏感地改变，我们能够精确地控制 T c t c 显示出最高值24.5？±0.5？k ？在最佳化学计量中。该结果可以为合成高质量BKBO薄膜的合成提供最佳指导，并证明了激光能量的有效性，以研究PLD生长的复合氧化物薄膜中的新出现超导现象。 突出显示 < CE：Abstract-sec id =“abssec0015”视图=“全部”> ？ 超导Ba 1？< CE：斜体> x k x 生物 3 脉冲激光沉积的薄膜。 ？ 消融激光注量变化不同阳离子化学计量，尤其是钾密度。 ？ 变化薄膜化学计量导致晶格收缩率为1.1％。 ？ < CE：PARA ID =“P0025”View =“全部”>超导 T C 由ZERO控制，从0到24.5控制k通过调整注量来调整。 ]]>

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