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Related papers: Probing the Meta-Stability of Oxide Core/Shell Nan…

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4d transition metal oxides have emerged as promising materials for numerous applications including high mobility electronics. SrNbO$_{3}$ is one such candidate material, serving as a good donor material in interfacial oxide systems and…

Materials Science · Physics 2022-10-31 Suresh Thapa , Sydney Provence , Steve M. Heald , Marcelo A. Kuroda , Ryan B. Comes

In hybrid improper ferroelectric systems, polarization arises from the onset of successive nonpolar lattice modes. In this work, measurements and modeling were performed to determine the spatial symmetries of the phases involved in the…

Materials Science · Physics 2019-07-03 S. Liu , H. Zhang , S. Ghose , M. Balasubramanian , Zhenxian Liu , S. G. Wang , Y-S. Chen , B. Gao , J. Kim , S. -W. Cheong , T. A. Tyson

Area-selective atomic layer deposition is a key technology for modern microelectronics as it eliminates alignment errors inherent to conventional approaches by enabling material deposition only in specific areas. Typically, the selectivity…

Interfacial charge transfer in oxide heterostructures gives rise to a rich variety of electronic and magnetic phenomena. Designing heterostructures where one of the thin-film components exhibits a metal-insulator transition opens a…

Understanding degradation processes in lithium ion batteries is essential for improving long term performance and advancing sustainable energy technologies. Tin selenide (SnSe) has emerged as a promising anode material due to the high…

Bimetallic nanoparticles (often known as nanoalloys) with core-shell arrangement are of special interest in several applications, such as in optics, catalysis, magnetism and biomedicine. Despite wide interest in applications, the physical…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 Davide Bochicchio , Riccardo Ferrando

Coupling at the interface of core/shell magnetic nanoparticles is known to be responsible for the exchange bias (EB) and the relative sizes of core and shell components are supposed to influence the associated phenomenology. In this work,…

Materials Science · Physics 2016-12-21 D. De , Oscar Iglesias , S. Majumdar , Saurav Giri

Magnetic nanoparticles (NP) of magnetite (Fe3O4) coated with oleic acid (OA) and dodecanoic acid (DA) were synthesized and investigated through Transmission Electron Microscopy (TEM),magnetization M, and ac magnetic susceptibility…

Mesoscale and Nanoscale Physics · Physics 2010-04-14 V. B. Barbeta , R. F. Jardim , P. K. Kiyohara , F. B. Effenberger , L. M. Rossi

High entropy oxides (HEO)s have garnered much interest due to their available high degree of tunability. Here, we study the local structure of (MgNiCuCoZn)0.167(MnCr)0.083O, a composition based on the parent HEO (MgNiCuCoZn)0.2O.We…

Using ab initio thermodynamics we compile a phase diagram for the surface of Fe3O4(001) as a function of temperature and oxygen pressures. A hitherto ignored polar termination with octahedral iron and oxygen forming a wave-like structure…

Materials Science · Physics 2009-11-11 R. Pentcheva , F. Wendler , H. L. Meyerheim , W. Moritz , N. Jedrecy , M. Scheffler

Kinetic understanding of hydrogen co-reduction of multinary and multi-phase oxides is of interest for enhancing sustainability of alloy production and transition to a hydrogen-based economy. Benefits include decrease in energy consumption,…

Materials Science · Physics 2026-03-17 Emmanuel Uwayezu , Shaolou Wei , Yujiao Li , Johannes D. Bartl , Dierk Raabe , Alfred Ludwig

Carefully designed nanostructures can inspire new type of optomechanical interactions and allow surpassing limitations set by classical diffractive optical elements. Apart from strong near-field localization, nanostructured environment…

Depopulation of the Mn$^{2+}$ state in ZnO:Mn upon illumination, monitored by quenching of the Mn$^{2+}$ EPR signal intensity, was observed at temperatures below 80~K. Mn$^{2+}$ photoquenching is shown to result from the Mn$^{2+}$ $\to$…

Morphology, structure and magnetic properties of nanocomposites of magnetite (Fe3O4) nanoparticles and alginic acid (AA) are studied. Magnetite Fe3O4 nanoparticles and the nanoparticles capped with alginic acid exhibit very distinct…

We report the structural, elastic and vibrational properties of five ionic-molecular solid oxidizers MNO$_3$ (M = Li, Na, K) and MClO$_3$ (M = Na, K). By treating long range electron-correlation effects, dispersion corrected method leads to…

Materials Science · Physics 2016-09-05 N. Yedukondalu , G. Vaitheeswaran

During the synthesis of heterostructured nanomaterials, unwanted structural and morphological changes in nanostructures may occur, especially when multiple sequential growth steps are involved. In this study, we describe a synthesis…

Materials Science · Physics 2022-06-01 Edgars Butanovs , Alexei Kuzmin , Aleksejs Zolotarjovs , Sergei Vlassov , Boris Polyakov

The results of fabrication and characterization of atomic structure of nanocrystalline thin layers of Y2O3 in cubic and monoclinic phases is reported. Experimental data demonstrate crystalline ordering in nanocrystalline films with average…

Materials Science · Physics 2022-12-28 D. W. Boukhvalov , D. A. Zatsepin , Yu. A. Kuznetsova , N. V. Gavrilov , A. F. Zatsepin

The use of electrophoretic forces to tune friction at material-nanoparticle-liquid interfaces with static or low frequency (0.6-50 mHz) electric fields is reported for the first time. External electric fields were employed to reposition…

Soft Condensed Matter · Physics 2019-01-31 Biplav Acharya , Caitlin M. Seed , Donald W. Brenner , Alex I. Smirnov , Jacqueline Krim

Mott physics is characterized by an interaction-driven metal-to-insulator transition in a partially filled band. In the resulting insulating state, antiferromagnetic orders of the local moments typically develop, but in rare situations no…

Nanoparticles supporting a distinct series of Mie resonances have enabled a new class of nanoantennas and provide efficient ways to manipulate light at the nanoscale. The ability to flexibly tune the optical resonances and scattering…

Optics · Physics 2021-05-26 Yiwei Dong , Yuanqing Yang
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