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Citation: Huang Rong-Bin, Su Zhao-Hui, Zheng Lan-Sun, Wang Yong-Jun, Qin Qi-Zong. Laser Plasma Mass Spectrometry of YBa₂Cu₃O_7-x Superconducting Sample[J]. Acta Physico-Chimica Sinica, ;1993, 9(06): 823-826. doi: 10.3866/PKU.WHXB19930619 shu

Laser Plasma Mass Spectrometry of YBa₂Cu₃O_7-x Superconducting Sample

1.
Department of Chemistry, Xiamen University, Xiamen 361005; Department of Laser Chemistry Fudan University, Shanghai 200433

Received Date: 13 April 1992
Available Online: 15 December 1993

Time-of-flight mass spectra of both positive and negative ions were recorded on a home-made instrument by laser ablation of YBa_2Cu_3O_(7-x) superconducting material. Among the observed cations, Ba~+ has the highest intensity, and Cu~- for anions. In addition, three seires of oxides clusters cations of very broad mass range were observed, with compositions of BaYO_2(Y_2O_3)_n, Ba_2YO_3(Y_2O_3)_n and BaCuYO_3(Y_2O_3)_n. The experimental results were disscused and attributed to the interactions among consisting elements. As comparision, the samples of the CuO, Y_2O_3 and BaO as well as their mixture have also been studied in the same experimental condition.
- Metal oxides; High temperature superconducting material; Laser plasma mass spectrometry
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Laser Plasma Mass Spectrometry of YBa2Cu3O7-x Superconducting Sample

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Laser Plasma Mass Spectrometry of YBa₂Cu₃O_7-x Superconducting Sample