Single crystal growth of MgB2 by using Mg-self-flux method at ambient pressure

被引：10
作者：
Du, W
Xu, D
Zhang, HB
Wang, XQ
Zhang, GH
Hou, XQ
Liu, HY
Wang, YL
机构：
[1] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China
[2] Shandong Univ, Inst Crystal Mat, Jinan 250100, Peoples R China
来源：
JOURNAL OF CRYSTAL GROWTH | 2004年 / 268卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
characterization; crystal morphology; X-ray diffraction; growth from high temperature solutions; single crystal growth; superconducting materials;
D O I：
10.1016/j.jcrysgro.2004.04.101
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Single crystals of magnesium diboride (MgB2) have been grown at ambient pressure by using Mg-self-flux method. We chose the marketed MgB2 powder as the raw material and Mg as the flux. The temperature was raised from room temperature to 1035degreesC for 4 h and maintained so for 2 h and then cooled down to room temperature slowly and then the single crystals of MgB2 with hexagonal shape and a superconducting transition at about 37 K were obtained. The Xray powder diffraction confirmed the MgB2 phase, scanning electron microscope observed the single crystal images and electron diffraction patterns by using high-resolution transmission electron microscope confirmed the structure of MgB2 single crystal. A new mechanism of liquid-assisted solid-state re-crystallization for growth of MgB2 single crystal is proposed. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：123 / 127
页数：5
相关论文
共 14 条
  • [1] Temperature and field dependence of the anisotropy of MgB2 -: art. no. 167004
    Angst, M
    Puzniak, R
    Wisniewski, A
    Jun, J
    Kazakov, SM
    Karpinski, J
    Roos, J
    Keller, H
    [J]. PHYSICAL REVIEW LETTERS, 2002, 88 (16) : 1670041 - 1670044
  • [2] Properties of superconducting MgB2 single crystal grown by a modified flux method
    Cho, YC
    Park, SE
    Jeong, SY
    Cho, CR
    Kim, BJ
    Kim, YC
    Youn, HS
    [J]. APPLIED PHYSICS LETTERS, 2002, 80 (19) : 3569 - 3571
  • [3] Single crystal growth of MgB2 and thermodynamics of Mg-B-N system at high pressure
    Karpinski, J
    Kazakov, SM
    Jun, J
    Angst, M
    Puzniak, R
    Wisniewski, A
    Bordet, P
    [J]. PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 2003, 385 (1-2): : 42 - 48
  • [4] Crystal growth and characterization of MgB2:: the relation between structural and superconducting properties
    Lee, S
    Masui, T
    Mori, H
    Eltsev, Y
    Yamamoto, A
    Tajima, S
    [J]. SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 2003, 16 (02) : 213 - 220
  • [5] Crystal growth of MgB2
    Lee, S
    [J]. PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 2003, 385 (1-2): : 31 - 41
  • [6] Growth, structure analysis and anisotropic superconducting properties of MgB2 single crystals
    Lee, S
    Mori, H
    Masui, T
    Eltsev, Y
    Yamamoto, A
    Tajima, S
    [J]. JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 2001, 70 (08) : 2255 - 2258
  • [7] LEE S, 2002, PHYSICA C, V33, P378
  • [8] Thermodynamics of the Mg-B system:: Implications for the deposition of MgB2 thin films
    Liu, ZK
    Schlom, DG
    Li, Q
    Xi, XX
    [J]. APPLIED PHYSICS LETTERS, 2001, 78 (23) : 3678 - 3680
  • [9] Ambient-pressure synthesis of single-crystal MgB2 and their superconducting anisotropy -: art. no. 094507
    Machida, Y
    Sasaki, S
    Fujii, H
    Furuyama, M
    Kakeya, I
    Kadowaki, K
    [J]. PHYSICAL REVIEW B, 2003, 67 (09)
  • [10] Massalski T.B., 1990, BINARY ALLOY PHASE D
12