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Related papers: Three-fold Superstructured Superlattice HfN/HfAlN …

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Transition metal aluminum nitrides are a technologically important class of multifunctional ceramics, however, the HfAlN system remains largely unexplored. We investigate phase stability, nanostructure design, and mechanical behavior of…

Superlattice (SL) thin films composed of refractory ceramics unite extremely high hardness and enhanced fracture toughness; a material combination often being mutually exclusive. While the hardness enhancement obtained whentwo materials…

Materials Science · Physics 2020-09-01 Antonia Wagner , David Holec , Paul Heinz Mayrhofer , Matthias Bartosik

The Fe/MgO magnetic tunnel junction is a classic spintronic system, with current importance technologically, and interest for future innovation. The key magnetic properties are linked directly to the structure of hard-to-access buried…

The specific rotational alignment of two-dimensional lattices results in a moir\'e superlattice with a larger period than the original lattices and allows one to engineer the electronic band structure of such materials. So far, transport…

Heterostructures consisting of alternating GaN/AlN epitaxial layers represent the building-blocks of state-of-the-art devices employed for active cooling and energy-saving lightning. Insights into the heat conduction of these structures are…

We design a hybrid graphene/hexagonal boron nitride superlattice monolayer and investigate its thermoelectric properties using density functional theory and Boltzmann transport equations with the relaxation time accurately treated by…

Materials Science · Physics 2019-05-31 Zizhen Zhou , Huijun Liu , Dengdong Fan , Guohua Cao

Lateral superlattices in 2D materials are emerging as a powerful platform for exploring novel quantum phenomena, which can be realized through the proximity coupling in forming moir\'e pattern with another layer. This approach, however, is…

Mesoscale and Nanoscale Physics · Physics 2021-04-14 Pei Zhao , Chengxin Xiao , Wang Yao

We report a theoretical study of the structural, electronic and optical properties of hBN-AlN superlattice heterostructures (SL) using a first-principles approach based on standard and hybrid Density Functional Theory. We consider…

Materials Science · Physics 2019-01-15 Catalin D. Spataru , Mary H. Crawford , Andrew A. Allerman

: We study the effect of hydrogen on the electronic, magnetic and hyperfine structures of an iron-vanadium superlattice consisting of three Fe monolayers and nine V monolayers. The contact charge density ({\rho}), the contact hyperfine…

Materials Science · Physics 2015-05-30 M. Elzain , M. Al-Barwani , A. Gismelseed , A. Al-Rawas , A. Yousif , H. Widatallah , K. Bouziane , I. Al-Omari

The large Land\'{e} g-factor, high spin-orbit coupling, and low effective mass of the two-dimensional electron gas in InSb quantum wells combined with proximal superconductivity may realize a scalable platform for topological quantum…

Lightweight, high-strength structural materials are component enablers in transportation and aerospace, reducing carbon footprints and enhancing fuel efficiency. Cast aluminium alloys, mainly based on eutectic compositions, make up 85% of…

Materials Science · Physics 2026-05-01 Hemant Kumar , Praveen Kumar , Dierk Raabe , Baptiste Gault , Surendra Kumar Makineni

Refractory high entropy alloys (RHEA) have been proven to have excellent mechanical properties with a potential use as protective thin films. However, the combination of high hardness with low friction and wear is a major challenge in the…

Materials Science · Physics 2021-12-03 Dawei Luo , Qing Zhou , Wenting Ye , Yue Ren , Christian Greiner , Yixuan He , Haifeng Wang

The interlayer coupling can be used to engineer the electronic structure of van der Waals heterostructures (superlattices) to obtain properties that are not possible in a single material. So far research in heterostructures has been focused…

We explore an alternative way to fabricate (In,Ga)N/GaN short-period superlattices on GaN(0001) by plasma-assisted molecular beam epitaxy. We exploit the existence of an In adsorbate structure manifesting itself by a…

Materials Science · Physics 2018-10-11 C. Chèze , F. Feix , M. Anikeeva , T. Schulz , M. Albrecht , H. Riechert , O. Brandt , R. Calarco

Superconductivity (S) and ferromagnetism (F) are probed through transport and magnetization measurements in nanometer scale HoNi$_5$-NbN (F-S) bilayers and HoNi$_5$-NbN-HoNi$_5$ (F-S-F) trilayers. The choice of materials has been made on…

Superconductivity · Physics 2015-06-15 Gyanendra Singh , P. C. Joshi , Z. Hossain , R. C. Budhani

Superlattices composed of ferromagnetic Pr0.85Ca0.15MnO3 and ferroelectric Ba0.6Sr0.4TiO3 layers were fabricated on (100) SrTiO3 substrates by a pulsed-laser deposition method. The capacitance and resistive parts of the samples were…

Materials Science · Physics 2009-11-10 P. Murugavel , D. Saurel , W. Prellier , Ch. Simon , B. Raveau

A combinatorial thin-film synthesis approach combined with a high throughput analysis methodology was successfully applied to synthesize TiN/Ni coatings with optimum mechanical properties. The synthesis approach consists of the deposition…

Ternary compounds obtained by alloying wurtzite AlN with transition metals have emerged as promising materials with significantly enhanced piezoelectric characteristics relative to binary AlN. The increased electromechanical coupling in…

Spin-orbit entangled pseudospins hold promise for a wide array of exotic magnetism ranging from a Heisenberg antiferromagnet to a Kitaev spin liquid depending on the lattice and bonding geometry, but many of the host materials suffer from…

Strongly Correlated Electrons · Physics 2022-03-30 Hoon Kim , Joel Bertinshaw , J. Porras , B. Keimer , Jungho Kim , J. -W. Kim , Jimin Kim , Jonghwan Kim , Gahee Noh , Gi-Yeop Kim , Si-Young Choi , B. J. Kim

ScxAl1-xN is an emerging III-nitride material known for its high piezoelectric coefficient and ferroelectric properties. Integration of wide-bandgap ScxAl1-xN with GaN is particularly attractive for quantum photonic devices. Achieving low…

Materials Science · Physics 2025-07-15 Rajendra Kumar , Govardan Gopakumar , Zain Ul Abdin , Michael J. Manfra , Oana Malis
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