scholarly journals Anomalous zero bias conductance peak in a ferromagnetic graphene junction with d-wave anisotropic superconducting pair symmetry

AIP Advances ◽  
2019 ◽  
Vol 9 (7) ◽  
pp. 075319 ◽  
Author(s):  
Chuan-Shuai Huang ◽  
Y. C. Tao
Keyword(s):  
Zero Bias ◽  
Conductance Peak ◽  
Zero Bias Conductance ◽  
D Wave

scholarly journals Identifying the graphene d-wave superconducting symmetry by an anomalous splitting zero-bias conductance peak

2020 ◽  
Vol 22 (3) ◽  
pp. 033018 ◽  
Author(s):  
Chuan-Shuai Huang ◽  
Yang Yang ◽  
Y C Tao ◽  
Jun Wang
Keyword(s):  
Zero Bias ◽  
Conductance Peak ◽  
Zero Bias Conductance ◽  
Superconducting Symmetry ◽  
D Wave

On the Origin of Zero-Bias Conductance Peak in High-Tc Superconductors

1998 ◽  
Vol 12 (29n31) ◽  
pp. 3027-3030
Author(s):  
Alexander B. Nazarenko ◽  
Ernst A. Pashitskii ◽  
Alexander E. Pashitskii
Keyword(s):  
Elastic Scattering ◽  
Order Parameter ◽  
Magnetic Impurities ◽  
High Tc Superconductors ◽  
Zero Bias ◽  
High Tc ◽  
Conductance Peak ◽  
Wave Symmetry ◽  
Zero Bias Conductance ◽  
D Wave

We show that the zero-bias conductance peak observed in tunnel and point junctions of cuprates can be a consequence of "unitary" elastic scattering of the carriers by non-magnetic impurities in the vicinity of the junction interface and d-wave symmetry of the order parameter.

Influence of the Impurity-scattering on Zero-bias Conductance Peak in Ferromagnet/Insulator/d-wave Superconductor Junctions

2003 ◽  
Vol 72 (4) ◽  
pp. 895-899 ◽  
Author(s):  
Nobukatsu Yoshida ◽  
Yasuhiro Asano ◽  
Hiroyoshi Itoh ◽  
Yukio Tanaka ◽  
Jun-ichiro Inoue ◽  
...  
Keyword(s):  
Impurity Scattering ◽  
Zero Bias ◽  
Conductance Peak ◽  
Zero Bias Conductance ◽  
D Wave

scholarly journals POINT CONTACT STUDY OF THE SUPERCONDUCTING ORDER PARAMETER IN RuSr2GdCu2O8

2005 ◽  
Vol 19 (01n03) ◽  
pp. 323-325 ◽  
Author(s):  
S. PIANO ◽  
F. BOBBA ◽  
F. GIUBILEO ◽  
A. M. CUCOLO ◽  
A. VECCHIONE
Keyword(s):  
Order Parameter ◽  
Magnetic Order ◽  
Point Contact ◽  
Superconducting Order Parameter ◽  
Zero Bias ◽  
Bulk Superconductivity ◽  
Conductance Peak ◽  
Wave Symmetry ◽  
Zero Bias Conductance ◽  
D Wave

We have performed a detailed study of the conductance characteristics obtained by point contact junctions realized between a normal Pt / Ir tip and syntered RuSr 2 GdCu 2 O 8 ( Ru -1212) samples. Indeed, this compound is subject of great interest due to the coexistence of both magnetic order and bulk superconductivity. In our experiments, the low temperature tunneling spectra reproducibly show a zero bias conductance peak that can be well reproduced by a generalized BTK model in the case of d-wave symmetry of the superconducting order parameter.

scholarly journals Split of zero-bias conductance peak in normal-metal/d-wave superconductor junctions

2004 ◽  
Vol 69 (21) ◽  
Author(s):  
Yasuhiro Asano ◽  
Yukio Tanaka ◽  
Satoshi Kashiwaya
Keyword(s):  
Normal Metal ◽  
Zero Bias ◽  
Conductance Peak ◽  
Zero Bias Conductance ◽  
D Wave

EFFECT OF RANDOMNESS ON ZERO BIAS CONDUCTANCE PEAK IN DISORDERD NORMAL METAL / D-WAVE SUPERCONDUCTOR JUNCTION

2003 ◽  
Author(s):  
H. ITOH ◽  
N. KITAURA ◽  
Y. TANAKA ◽  
J. INOUE ◽  
Y. ASANO ◽  
...  
Keyword(s):  
Normal Metal ◽  
Zero Bias ◽  
Conductance Peak ◽  
Zero Bias Conductance ◽  
D Wave

scholarly journals Anomalous Zero-Bias Conductance Peak in a Nb–InSb Nanowire–Nb Hybrid Device

Nano Letters ◽  
2012 ◽  
Vol 12 (12) ◽  
pp. 6414-6419 ◽  
Author(s):  
M. T. Deng ◽  
C. L. Yu ◽  
G. Y. Huang ◽  
M. Larsson ◽  
P. Caroff ◽  
...  
Keyword(s):  
Zero Bias ◽  
Hybrid Device ◽  
Conductance Peak ◽  
Zero Bias Conductance

scholarly journals Theory of point contact spectroscopy in correlated materials

2015 ◽  
Vol 112 (3) ◽  
pp. 651-656 ◽  
Author(s):  
Wei-Cheng Lee ◽  
Wan Kyu Park ◽  
Hamood Z. Arham ◽  
Laura H. Greene ◽  
Philip Phillips
Keyword(s):  
Scattering Length ◽  
Point Contact ◽  
Microscopic Theory ◽  
Effective Density ◽  
Strongly Correlated ◽  
Metallic Electrode ◽  
Zero Bias ◽  
Point Contact Spectroscopy ◽  
Conductance Peak ◽  
Zero Bias Conductance

We developed a microscopic theory for the point-contact conductance between a metallic electrode and a strongly correlated material using the nonequilibrium Schwinger-Kadanoff-Baym-Keldysh formalism. We explicitly show that, in the classical limit, contact size shorter than the scattering length of the system, the microscopic model can be reduced to an effective model with transfer matrix elements that conserve in-plane momentum. We found that the conductance dI/dV is proportional to the effective density of states, that is, the integrated single-particle spectral function A(ω = eV) over the whole Brillouin zone. From this conclusion, we are able to establish the conditions under which a non-Fermi liquid metal exhibits a zero-bias peak in the conductance. This finding is discussed in the context of recent point-contact spectroscopy on the iron pnictides and chalcogenides, which has exhibited a zero-bias conductance peak.

scholarly journals Anomaly of zero-bias conductance peaks in ferromagnet/d-wave superconductor junctions

2001 ◽  
Vol 63 (14) ◽  
Author(s):  
Z. C. Dong ◽  
D. Y. Xing ◽  
Z. D. Wang ◽  
Ziming Zheng ◽  
Jinming Dong
Keyword(s):  
Zero Bias ◽  
Zero Bias Conductance ◽  
D Wave
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