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Related papers: Percolative Pathway to Stripe Order in KTaO3-Based…

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Transport measurements on the two dimensional electron system in Al2O3 SrTiO3 heterostructures indicate significant noncrystalline anisotropic behavior below T = 30 K. Lattice dislocations in SrTiO3 and interfacial steps are suggested to be…

Strongly Correlated Electrons · Physics 2017-08-02 K. Wolff , R. Schäfer , M. Meffert , D. Gerthsen , R. Schneider , D. Fuchs

The interplay of spin and motional degrees of freedom forms a key element in explaining stripe formation accompanied by sublattice reversal of local antiferromagnetic ordering in interacting fermionic models. A long-standing question aims…

Strongly Correlated Electrons · Physics 2024-02-28 Jianhao Sun , Tao Ying , Richard T. Scalettar , Rubem Mondaini

The electrical resistance of the two-dimensional electron system (2DES) which forms at the interface of SrTiO3 (STO)-based heterostructures displays anisotropic transport with respect to the direction of current flow at low temperature. We…

Materials Science · Physics 2020-08-31 Karsten Wolff , Roland Schäfer , Daniel Arnold , Rudolf Schneider , Matthieu Le Tacon , Dirk Fuchs

The recent discovery of orientation-dependent superconductivity in KTaO3-based interfaces has attracted considerable interest, while the underlying origin remains an open question. Here we report a different approach to tune the interfacial…

Superconductivity · Physics 2025-12-02 Guowei Yang , Weifan Zhu , Jiawen Zhang , Hao Zheng , Yi Wu , Huali Zhang , Ge Ye , Dajun Su , Yanan Zhang , Chao Cao , Xin Lu , Huiqiu Yuan , Yang Liu

Several experiments reveal the inhomogeneous character of the superconducting state that occurs when the carrier density of the two-dimensional electron gas formed at the LaXO3/SrTiO3 (X=Al or Ti) interface is tuned above a threshold value…

Mesoscale and Nanoscale Physics · Physics 2015-02-27 S. Caprara , D. Bucheli , N. Scopigno , N. Bergeal , J. Biscaras , S. Hurand , J. Lesueur , M. Grilli

The stability of the flux line lattice has been investigated within anisotropic London theory. This is the first full-scale investigation of instabilities in the `chain' state. It has been found that the lattice is stable at large fields,…

Condensed Matter · Physics 2016-08-31 A. M. Thompson , M. A. Moore

Many unusual behaviors in complex oxides are deeply associated with the spontaneous emergence of microscopic phase separation. Depending on the underlying mechanism, the competing phases can form ordered or random patterns at vastly…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 Keji Lai , Masao Nakamura , Worasom Kundhikanjana , Masashi Kawasaki , Yoshinori Tokura , Michael A. Kelly , Zhi-Xun Shen

In the iron pnictide superconductors, two distinct unconventional mechanisms of superconductivity have been put forth: One is mediated by spin fluctuations leading to the s+- state with sign change of superconducting gap between the hole…

Two-dimensional electron gases(2DEGs)based on KTaO3 are emerging as a promising platform for spin-orbitronics due to their high Rashba spin-orbit coupling (SOC) and gate-voltage tunability. The recent discovery of a superconducting state in…

A quantum interference mechanism of the stripe phase instability in quasi one-dimensional (1D) repulsive electron system is proposed. The leading spin-charge coupling term in Landau functional is derived microscopically. It is shown that…

Condensed Matter · Physics 2007-05-23 Sergei I. Mukhin

The newly discovered kagome superconductor CsCr3Sb5 exhibits distinct features with flat bands and unique magnetism, providing a compelling platform for exploring novel quantum states of correlated electron systems. Emergent charge order in…

A magnetic field is generally considered to be incompatible with superconductivity as it tends to spin-polarize electrons and breaks apart the opposite-spin singlet superconducting Cooper pairs. Here, an experimental phenomenon is observed…

Superconductivity · Physics 2020-11-06 Da Jiang , Tianzhong Yuan , Yongzheng Wu , Xinyuan Wei , Gang Mu , Zhenghua An , Wei Li

The two-dimensional electron gas (2DEG) found in KTaO3-based interfaces has garnered attention due to its remarkable electronic properties. In this study, we investigated the conducting system embedded at the Si3N4/Al//KTO(110)…

Understanding and controlling the interfacial magnetic properties of ferromagnetic thin films are crucial for spintronic device applications. However, using conventional magnetometry, it is difficult to detect them separately from the bulk…

Materials Science · Physics 2017-06-21 Le Duc Anh , Noboru Okamoto , Munetoshi Seki , Hitoshi Tabata , Masaaki Tanaka , Shinobu Ohya

Controlling spin-orbit interaction and its effect on superconductivity has been a long-standing problem in two-dimensional inversion symmetry broken superconductors. An open challenge is to understand the role of various energy scales in…

Mesoscale and Nanoscale Physics · Physics 2019-09-11 Gopi Nath Daptary , Hemanta Kumar Kundu , Pramod Kumar , Anjana Dogra , Narayan Mohanta , A. Taraphder , Aveek Bid

A magnetic field typically suppresses superconductivity by either breaking Cooper pairs via the Zeeman effect or inducing vortex formation. However, under certain circumstances, a magnetic field can stabilize superconductivity instead. This…

Superconductivity in UTe$_{2}$ has garnered significant attention, as it is widely recognized as a promising candidate for a spin-triplet superconductor. However, the symmetry of superconductivity and the microscopic origin of spin-triplet…

Superconductivity · Physics 2025-10-17 Ryuji Hakuno , Youichi Yanase

The paper deals with the controversial charge and spin self-organization phenomena in the HTSC cuprates, of which neutron, X-ray, STM and ARPES experiments give complementary, sometimes apparently contradictory glimpses. The examination has…

Superconductivity · Physics 2009-11-11 John A. Wilson

Graphene monolayers are known to display domains of anisotropic friction with twofold symmetry and anisotropy exceeding 200 percent. This anisotropy has been thought to originate from periodic nanoscale ripples in the graphene sheet, which…

The rich electron correlations and highly coherent transport in reconfigurable devices sketched by a conductive atomic force microscope tip at the LaAlO3/SrTiO3 interface have enabled the oxide platform an ideal playground for studying…

Mesoscale and Nanoscale Physics · Physics 2023-06-19 Dawei Qiu , Mengke Ha , Qing Xiao , Zhiyuan Qin , Danqing Liu , Changjian Ma , Guanglei Cheng , Jiangfeng Du