材料研究学报  1988, Vol. 2 Issue (5): 67-71

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烧结过程中氧压对钇钡铜氧超导材料的影响

唐厚舜;余夕同

复旦大学材料科学研究所;复旦大学材料科学研究所

INFLUENCE OF OXYGEN PRESSURE IN THE SINTERING PROCESS OF Y-Ba-Cu-O SUPERCONDUCTOR

TANG Houshun;YU Xitong(Institute of Materials Science;Fudan University;Shanghai)

唐厚舜;余夕同. 烧结过程中氧压对钇钡铜氧超导材料的影响[J]. 材料研究学报, 1988, 2(5): 67-71.
, . INFLUENCE OF OXYGEN PRESSURE IN THE SINTERING PROCESS OF Y-Ba-Cu-O SUPERCONDUCTOR[J]. Chin J Mater Res, 1988, 2(5): 67-71.

摘要 参考文献 相关文章 Metrics 全文: PDF(355 KB)   摘要: 用Y_2O_3、BaCO_3和CuO 为原料,按Y∶Ba∶Cu=1∶2∶3配比,故体组成应是YBa_2Cu_3O_(6.5+x),此外x 值为除原料引入的氧之外的氧量,它是可以被酸释放出的氧(称之为“酸可释氧”),是决定材料超导性的主要因素。本文研究了在制备过程中烧结时氧压对x 值的影响,实验表明,x 约≥0.37的样品才有液氮温度超导,通氧和加高氧压可使x 值达0.37—0.46,x 随氧压增大而增加,直到1000kPa 时达0.46,材料的零电阻温度为91.5K。 Abstract：Using Y_2O_3,BaCO_3 and CuO as starting materials with a ratio of Y:Ba:Cu=1:2:3,an oxide with composition YBa_2Cu_3O_(6.5+x)can be obtained.HereX,with is amount of the oxygen other than that was introduced from rawmaterial,named“acid liberatable oxygen”,i 收稿日期: 1988-10-25      服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 唐厚舜 余夕同 44.8K 链接本文: https://www.cjmr.org/CN/      或      https://www.cjmr.org/CN/Y1988/V2/I5/67 1 Beyers R,et al.IBM Almaden Research Center(submitted to Applid Physics Letters),1987 2 Claude Michel et al.Rev Chim Miner,1984;21:407 3 Johnstoen D C,et al.Proc Symposium“Inorganic Superconducting Materials”,Am Chem Soc Nat Mtg,1987;31 Aug-4 Sep. No related articles found! Viewed Full text Abstract Cited   Shared      Discussed