MgB_2超导体块材的高压合成

HIGH PRSSURE SYNTHESIS OF BULK MgB _2 SUPERCONDUCTOR

利用高压烧结的方法成功地合成出块状MgB2 超导体。所获得的样品具有良好的单相性。低温磁性测量实验和电阻测量实验均表明样品具有高于 39K的超导转变温度。实验结果表明 ,高压合成是制备和研究MgB2

Bulk MgB 2 superconductor is synthesized through high pressure sintering.The sample having been obtained shows a good single phase.Magnetic measurements and resisitivity measurements at low temperature indicate a sharp superconducting transition above 39K.The experiment results highlight that high pressure synthesis would be a very effective way to promote the studies of the new kind superconductor of intermetallic compounds.