Abstract
The vortex-lattice phase transitions in Bi2Sr2CaCu2O8 crystals with various oxygen stoichiometry and artificially induced disorder are studied using local magnetization measurements. The first-order phase transition line at elevated temperatures shifts upward for more isotropic over-doped samples. At lower temperatures another sharp transition is observed at the onset of second magnetization peak. The two lines merge at a multicritical point at intermediate temperatures forming apparently a continuous phase transition line that is anisotropy dependent. Weak point disorder preserves the first-order transition and shifts it to lower fields. This shift is accompanied by a corresponding downward shift of the second magnetization peak. A low density of columnar defects shifts the first-order transition to higher fields, apparently transforming it into a continuous transition. The first-order transition in clean crystals is concluded to involve melting of the vortex-lattice. Schematic phase diagram based on this study is presented.
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References
G. Blatteret al., Rev. Mod. Phys.66, 1125 (1994); E. H. Brandt, Rep. Prog. Phys.58, 1465. (1995)
D. R. Nelson, Phys. Rev. Lett.60, 1973 (1988); Nature375, 356 (1995).
A. Houghton, R. A. Pelcovits, and A. Sudbo, Phys. Rev. B40, 6773 (1989); E. H. Brandt, Phys. Rev. Lett.63, 1106 (1989); S. Hikami, A. Fujita, and A. I. Larkin, Phys. Rev. B44, 10400 (1991); G. Blatter and B. I. Ivlev, Phys. Rev. B50, 10272 (1994); R. Sasik and D. Stroud, Phys. Rev. Lett.75, 2582 (1995).
L. Glazman and A. Koshelev, Phys. Rev. B43, 2835 (1991); L. L. Daemen, L. N. Bulaevskii, N. P. Maley, and J. Y. Coulter, Phys. Rev. Lett.70, 1167 (1993); Phys. Rev. B47, 11291 (1993).
G. Blatter, V. Geshkenbein, A. Larkin, and H. Nordborg, Phys. Rev. B54, 72 (1996).
H. Safaret al., Phys. Rev. Lett.69, 824 (1992);ibid Phys. Rev. Lett.70, 3800 (1993) W. K. Kwoket al., Phys. Rev. Lett.69, 3370 (1992);ibid. Phys. Rev. Lett.72, 1092 (1994).
H. Pastorizaet al., Phys. Rev. Lett.72, 1 (1994).
R. Cubittet al., Phys. Rev. Lett.364, 407 (1993); S. L. Leeet al., Phys. Rev. Lett.71, 3862 (1993).
H. Pastoriza and P. H. Kes, Phys. Rev. Lett.75, 3524 (1995); D. T. Fuchset al., Phys. Rev. B54, 796 (1996); S. Watauchiet al., Physica C259, 373 (1996).
E. Zeldovet al., Nature375, 373 (1995).
R. Liang, D. A. Bonn, and W. N. Hardy, Phys. Rev. Lett.76, 835 (1996); U. Welpet al., (preprint).
R. A. Doyleet al. Phys. Rev. Lett.75, 4520 (1995).
B. Khaykovichet al., Phys. Rev. Lett.76, 2555 (1996).
D. S. Fisher, M. P. A. Fisher, and D. A. Huse, Phys. Rev. B43, 130 (1991).
M. V. Feigel'man, V. B. Geshkenbein, A. I. Larkin, and V. V. Vinokur, Phys. Rev. Lett.63, 2303 (1989).
R. H. Kochet al., Phys. Rev. Lett.63, 511 (1989); P. L. Gammel, L. F. Schneemeyer, and D. Bishop, Phys. Rev. Lett.66, 953 (1991).
N. Motohira, K. Kuwahara, T. Hasegawa, K. Kishio, and K. Kitazawa, J. Ceram. Soc. Jpn. Int. Ed.97, 994 (1989).
T. W. Li, P. H. Kes, N. T. Hien, J. J. M. Franse, and A. A. Menovsky, J. Crys. Grow.135, 481 (1993).
T. W. Liet al., Physica C224, 110 (1994).
H. Vicheryet al., Physica C159, 697 (1989); A. Legriset al., J. Phys. I3, 1605 (1993); F. Rullier-Albenque, A. Legris, H. Berger, and L. Forro, Physica C254, 88 (1995).
V. Hardyet al., Nucl. Instr. Meth. B54, 472 (1991).
E. Zeldovet al., Phys. Rev. Lett.73, 1428, (1994); D. Majeret al., in “Coherence in High-Temperature Superconductors” edited by G. Deutscher and A. Revcolevschi, World Scientific (Singapore), 271 (1996).
G. Yanget al., Phys. Rev. B48, 4054 (1993); T. Tamegaiet al., Physica C223, 33 (1993); K. Kishioet al., in “Proc. 7th Intnl. Workshop on Critical Currents in Superconductors” ed. H. W. Weber, World Sci. Pub., Singapore, p. 339 (1994).
T. Hanaguriet al., Physica C256, 111 (1995).
Y. Yamaguchiet al., Physica C246, 216 (1995).
B. Revazet al., Europhys. Lett.,33, 701 (1996).
J. A. Fendrichet al., Phys. Rev. Lett.74, 1210 (1995).
Y. Imry and M. Wortis, Phys. Rev. B19, 3580 (1979).
G. I. Menon and C. Dasgupta, Phys. Rev. Lett.73, 1023 (1994).
A. I. Larkin and V. M. Vinokur, Phys. Rev. Lett.75, 4666 (1995).
R. Ikeda, J. Phys. Soc. Jpn.65, 1170 (1996).
M. J. P. Gingras and D. A. Huse, Phys. Rev. B53, 15193 (1996); D. Ertas and D. R. Nelson (preprint); S. Ryu, A. Kapitulnik, and S. Doniach (preprint).
E. Zeldovet al., Europhys. Lett.30, 367 (1995).
N. Chikumotoet al., Phys. Rev. Lett.69, 1260 (1992); Physica C185–189, 2201 (1993).
N. Morozov, E. Zeldov, D. Majer, and M. Konzcykowski, Phys. Rev. B54, 3784 (1996).
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Khaykovich, B., Zeldov, E., Konczykowski, M. et al. Phase diagram of Bi2Sr2CaCu2O8 in the mixed state: effects of anisotropy and disorder. Czech J Phys 46 (Suppl 6), 3218–3224 (1996). https://doi.org/10.1007/BF02548133
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DOI: https://doi.org/10.1007/BF02548133