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Featured researches published by B. Jayaram.


Physical Review B | 1991

Destruction of superconductivity in the Bi sub 2 Sr sub 2 Ca sub 1 minus x Gd sub x Cu sub 2 minus y Li sub y O sub 8+ d system

B. Jayaram; P.C. Lanchester; Mark T. Weller

We have measured the {ital T}{sub {ital c}}, resistivity, and magnetoresistivity of a series of Bi{sub 2}Sr{sub 2}Ca{sub 1{minus}{ital x}}Gd{sub {ital x}}Cu{sub 2{minus}{ital y}}Li{sub {ital y}}O{sub 8+{ital d}} samples, with {ital x}=0 and 0.4 and 0{le}{ital y}{le}0.6. We find that the suppression of {ital T}{sub {ital c}}, the logarithmic variation of the resistivity above the superconducting transition, and the field-independent nature of the temperature variation of magnetoresistivity illustrate the enhancement of the Coulomb interaction with increasing normal-state resistivity ({rho}{sub {ital n}}). We also find a gradual crossover from a logarithmic to an exponential dependence with increasing {rho}{sub {ital n}}.


Physical Review B | 1991

Localization and interaction effects during superconductor-insulator transition of Bi2Sr2Ca1-xGdxCu2O8+d.

B. Jayaram; P.C. Lanchester; Mark T. Weller


Physical Review B | 1995

Magnetism of Fe, Ni, and Zn in Nd1.85Ce0.15CuO4: Comparison of experiment and theory.

B. Jayaram; H. Chen; J. Callaway


Physical Review B | 1995

Magnetic susceptibility studies on PrxY1-xBa2Cu3O7- delta single crystals in the insulating regime.

B. Jayaram; H. Srikanth; B.M. Wanklyn; Chen Changkang; E. Holzinger-Schweiger; G. Leising


Physical Review B | 1991

Destruction of superconductivity in the Bi2Sr2Ca1-xGdxCu2-yLiyO8+d system.

B. Jayaram; P.C. Lanchester; Mark T. Weller


Physical Review B | 1999

High-pressure study of the Raman modes in YBa(Cu{sub 0.96}Ni{sub 0.04})O

D. J. B. Payne; Saikat Guha; Qiyu Cai; Meera Chandrasekhar; H. R. Chandrasekhar; U. D. Venkateswaran; B. Jayaram; J. Ulanday


Physical Review B | 1999

HIGH-PRESSURE STUDY OF THE RAMAN MODES IN YBA2(CU0.96NI0.04)4O8

D.J. Payne; Suchi Guha; Q. Cai; Meera Chandrasekhar; H. R. Chandrasekhar; U. D. Venkateswaran; B. Jayaram; J. Ulanday


The Review of High Pressure Science and Technology | 1998

Raman Phonons under Hydrostatic Pressure in YBa2 (Cu1-xNix) 4O8

D.J. Payne; S. Guha; Q. Cai; Meera Chandrasekhar; H. R. Chandrasekhar; B. Jayaram; J. Ulanday


Physical Review B | 1995

Magnetic susceptibility studies on Pr{sub {ital x}}Y{sub 1-{ital x}}BaâCuâO{sub 7-δ} single crystals in the insulating regime

B. Jayaram; Hariharan Srikanth; B.M. Wanklyn; Chen Changkang; Edith Holzinger-Schweiger; Guenther Leising


Physical Review B | 1991

DESTRUCTION OF SUPERCONDUCTIVITY IN THE BI2SR2GXCU2-GAMMA LIGAMMA O8+D SYSTEM

B. Jayaram; P.C. Lanchester; Mark T. Weller

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P.C. Lanchester

University of Southampton

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J. Ulanday

University of Nebraska Omaha

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D.J. Payne

University of Missouri

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Q. Cai

University of Missouri

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