自 2001 年被发现具有超导性以来
- J. Nagamatsu, N. Nakagawa, T. Muranaka, Y. Zenitani, J. Akimitsu, Superconductivity at 39 K in magnesium diboride. Nature 410(6824), 63--64 (2001)
MgB₂ 最突出的优点包括：晶体结构简单、在金属与合金中临界转变温度偏高、相干长度较长、临界电流密度较高、各向异性低、晶间界有利于承载大电流，以及制备成本相对低廉
- C. Buzea, T. Yamashita, Review of the superconducting properties of MgB2. Supercond. Sci. Technol. 14(11), R115--R146 (2001). https://doi.org/10.1088/0953-2048/ 14/11/201
由于存在上临界场偏低（Bc2 ≈ 15--20 T）、磁通钉扎能力弱 、高场下临界电流密度快速衰减以及孔隙率导致晶粒连接性差等本征缺陷，研究者们仍在不遗余力地改善 MgB₂ 的物理与超导性能。
D.C. Larbalestier, L.D. Cooley, M.O. Rikel, A.A. Polyanskii, J. Jiang, S. Patnaik, X.Y. Cai, D.M. Feldmann, A. Gurevich, A.A. Squitieri, M.T. Naus, C.B. Eom, E.E. Hellstrom, R.J. Cava, K.A. Regan, N. Rogado, M.A. Hayward, T. He, J.S. Slusky, M. Haas, Strongly linked current flow in polycrystalline forms of the superconductor MgB2. Nature 410(6825), 186--189 (2001). https://doi.org/10.1038/35065 559
M. Eisterer, Magnetic properties and critical currents of MgB2. Supercond. Sci. Technol. 20, R47--R73 (2007)
A. Gurevich, Limits of the upper critical field in dirty two- gap superconductors. Physica C 456, 160--169 (2007)