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Related papers: Epitaxy of hexagonal ABO$_3$ quantum materials

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Local configurational disorder can have a dominating role in the formation of macroscopic functional responses in strongly correlated materials. Here, we use entropy-stabilization synthesis to create single crystal epitaxial ABO3 perovskite…

High entropy oxides (HEO) are a recently introduced class of oxide materials, which are characterized by a large number of elements (i.e. five or more) sharing one lattice site which crystallize in a single phase structure. One complex…

Transition metal oxide thin films show versatile electrical, magnetic, and thermal properties which can be tailored by deliberately introducing macroscopic grain boundaries via polycrystalline solids. In this study, we focus on the…

Long-term stability of superconducting microwave resonators is essential for scalable quantum technologies; however, surface and interface degradation continue to limit device stability. Here, we demonstrate exceptional stability in…

Recent works have shown that the domain walls of room-temperature multiferroic BiFeO3 (BFO) thin films can display distinct and promising functionalities. It is thus important to understand the mechanisms underlying domain formation in…

Materials Science · Physics 2015-05-14 C. J. M. Daumont , S. Farokhipoor , A. Ferri , J. C. Wojdel , Jorge Iniguez , B. J. Kooi , B. Noheda

The authors investigated the structure and properties of GdBaCo$_{2}$O$_{5.5+\delta}$ thin films epitaxially grown on SrTiO$_{3}$ (001) single crystal substrates. The thin films were found to have a notable remnant magnetization above room…

Strongly Correlated Electrons · Physics 2009-01-13 G. Y. Wang , X. Y. Zhou , R. K. Zheng , Y. M. Hu , H. L. W. Chan , Y. Wang

Qubits made from superconducting materials are a mature platform for quantum information science application such as quantum computing. However, materials-based losses are now a limiting factor in reaching the coherence times needed for…

Quantum geometry, a quantum mechanical quantity comprised of Berry curvature and quantum metric, describes the geometric structure of the electronic bands in solids. The correlation between nontrivial quantum geometry and quantum materials…

The class of antiperovskite compounds $A_3B$O ($A$ = Ca, Sr, Ba; $B$ = Sn, Pb) has attracted interest as a candidate 3D Dirac system with topological surface states protected by crystal symmetry. A key factor underlying the rich electronic…

Mesoscale and Nanoscale Physics · Physics 2019-12-18 D. Huang , H. Nakamura , K. Küster , A. Yaresko , D. Samal , N. B. M. Schröter , V. N. Strocov , U. Starke , H. Takagi

We use ab initio electronic structure calculations within the generalized gradient approximation (GGA+U) to density functional theory (DFT) to determine the microscopic exchange interactions in the series of orthorhombic rare-earth…

Materials Science · Physics 2015-04-22 Natalya S. Fedorova , Claude Ederer , Nicola A. Spaldin , Andrea Scaramucci

We have investigated the (0001) surfaces of several hexagonal manganite perovskites by low-energy electron diffraction (LEED) in order to determine if the surface periodicity is different from that of the bulk materials. These LEED studies…

Strongly Correlated Electrons · Physics 2013-05-29 R. Vasic , J. T. Sadowski , Y. J. Choi , H. D. Zhou , C. R. Wiebe , S. W. Cheong , J. E. Rowe , M. D. Ulrich

Manganite thin films are promising candidates for studying the strongly correlated electron systems. Understanding the growth-and morphology-driven changes in the physical properties of manganite thin films is vital for their applications…

Today the study of two-dimensional (2D) materials has become one of the key objectives of materials science. Unlike their three-dimensional counterparts, 2D materials can simultaneously demonstrate unique transport and mechanical properties…

Materials Science · Physics 2021-03-16 Arslan B. Mazitov , Artem R. Oganov

To understand the near-interface magnetism in manganites, uniform, ultra-thin films of La_{0.67}Sr_{0.33}MnO_3 were grown epitaxially on single crystal (001) LaAlO_3 and (110) NdGaO_3 substrates. The temperature and magnetic field dependent…

Materials Science · Physics 2009-10-31 J. Z. Sun , D. W. Abraham , R. A. Rao , C. B. Eom

Topological phases have attracted much interest in recent years. While there are a number of three-dimensional materials exhibiting topological properties, there are relatively few two-dimensional examples aside from the well-known quantum…

Strongly Correlated Electrons · Physics 2015-06-22 Xiang Hu , Zhicheng Zhong , Gregory A. Fiete

The temperature dependence of the real and imaginary parts of magnetic susceptibility of YBa2Cu3O7-{\delta} superconducting thin films were researched at the electron irradiation with the energy of 2{\cdot}10<4> eV in the magnetic field of…

Superconductivity · Physics 2012-06-26 Viktor O. Ledenyov , Dimitri O. Ledenyov , Oleg P. Ledenyov

Compounds with distorted perovskite structure of the 4-f and 3-d transition metals with the common formula LnTO3 (where Ln is rare-earth element, T is an element from the Fe group) are the most multifold binary oxides of these two groups…

Strongly Correlated Electrons · Physics 2007-05-23 D. Dimitrov , I. Radulov , V. Lovchinov , A. Apostolov

Sesqui-chalcogenides serve as a critical bridge between traditional semiconductors and quantum materials, offering significant potential in applications such as thermoelectrics, phase change memory, and topological insulators. While…

In this paper, we have built a numerical p-n Si/GaAs heterojunction model using a quantum-mechanical tunneling theory with various quantum tunneling interfacial materials including two-dimensional semiconductors such as hexagonal boron…

Mesoscale and Nanoscale Physics · Physics 2021-10-26 Md Nazmul Hasan , Chenxi Li , Junyu Lai , Jung-Hun Seo

Oblique angle deposition of oxides is being famous for fabricating inhomogeneous thin films with variation of refractive index along thickness in a functional form. Inhomogeneous layers play a key role in the development of rugate…

Materials Science · Physics 2014-06-27 R B Tokas , S Jena , P Sarkar , Shyam polaki , S Thakur , S Basu , N K Sahoo