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Related papers: Towards the surface hydroxyl species in CeO$_2$ na…

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Reactive oxygen species (ROS), which are expressed at high levels in many diseases, can be scavenged by cerium oxide nanoparticles (CeO2NPs). CeO2NPs can cause significant cytotoxicity when administered directly to cells, but this…

Cell Behavior · Quantitative Biology 2024-04-29 Ummay Mowshome Jahan , Brianna Blevins , Sergiy Minko , Vladimir Reukov

While most of the experimental studies are dealing with partially oxidized metallic nanosolids, their behaviour is not well understood theoretically. To this end we utilized molecular dynamics simulation and charge-optimized many-body…

Materials Science · Physics 2023-02-07 Movaffaq Kateb , Andrei Manolescu

Recently, the hydrogen adsorption and diffusion on the CeO2 (111) surface have been a vividly discussed topic because of its outstanding catalytic activity and selectivity in hydrogenation reactions. However, for the strongly reduced CeO2…

Materials Science · Physics 2019-05-01 Xiaoke Li , Joachim Paier , Joachim Sauer

Intrinsic properties of a compound (e.g., electronic structure, crystallographic structure, optical and magnetic properties) define notably its chemical and physical behavior. In the case of nanomaterials, these fundamental properties…

Due to the drastically different intralayer versus interlayer bonding strengths, the mechanical, thermal, and electrical properties of two-dimensional (2D) materials are highly anisotropic between the in-plane and out-of-plane directions.…

The present study investigates the effect of different reaction times on the crystallinity, surface morphology and size of iron oxide nanoparticles. In this synthetic system, aqueous iron (III) nitrate (Fe(NO$_3$)$_3\cdot9$H$_2$O)…

Applied Physics · Physics 2021-10-29 Ioannis Papagiannis , Mauro S. Innocente , Evangelos I. Gkanas

Magnetite ferrite (Fe3O4) nanoparticles have attracted considerable interest due to their tunable physico-chemical properties and relevance in functional materials. In this work, uncoated Fe3O4 nanoparticles and surface-modified Fe3O4…

Materials Science · Physics 2026-01-13 Arif Iqbal Sheikh , Radha Srinivasan

Cerium oxide nanoparticles (CNPs) have recently gained increasing interest as redox enzyme-mimetics to scavenge the intracellular excess of reactive oxygen species, including hydrogen peroxide (H2O2). Despite the extensive exploration of…

Soft Condensed Matter · Physics 2023-09-26 Giusy Finocchiaro , Xiaohui Ju , Braham Mezghrani , Jean-François Berret

This paper presents a comprehensive study of cerium-doped hydroxyapatite (Ce-HAp), a material of interest for biomedical applications due to the good biocompatibility of hydroxyapatite and the antioxidant activity of cerium ions. We employ…

We report room temperature ferromagnetism in Ni doped CeO2 nanoparticles using X-ray diffraction (XRD), high resolution transmission electron microscopy (HR-TEM), and dc magnetization measurements. Nanoparticles of Ce1-xNixO2 (0.0 \leq x…

Mesoscale and Nanoscale Physics · Physics 2011-01-31 Shalendra Kumar , Young. Joo. Kim , B. H. Koo , C. G. Lee

In recent years, there has been a renewed interest in complex coacervation, driven by concerted efforts to offer novel experimental and theoretical insights into electrostatic charge-induced association. While previous studies have…

Soft Condensed Matter · Physics 2024-10-30 Letícia Vitorazi , Jean-François Berret

A method of preparing the nanoparticles of CaCu3Ti4O12 (CCTO) with the crystallite size varying from 30 to 200 nm is optimized at a temperature as low as 680 1C from the exothermic thermal decomposition of an oxalate precursor,…

Materials Science · Physics 2013-01-18 P. Thomas , K. Dwarakanath , K. B. R. Varma , T. R. N. Kutty

In this review, room temperature (RT) precipitation of the nanocrystalline-ceria (nc-ceria) re-dispersed and subsequently size-reduced by 20 kHz probe sonication in 25 % ethylene glycol/ 75 % DI-water mixed media is investigated. The…

Materials Science · Physics 2019-11-19 S. K. Padhi , M. Ghanashyam Krishna

This work reports aspect related to chemical capping synthesis of nano-sized particles of nickel oxide. It is a simple, novel and cost effective method. The average particle size, specific surface area, crystallinity index are estimated…

Chemical Physics · Physics 2014-02-04 M. Nowsath rifaya , T. Theivasanthi , M. Alagar

Two-dimensional colloidal nanoplatelets (NPLs) with atomically defined thickness exhibit unique physical properties, yet understanding their formation mechanism and assembly remains essential for tuning their collective behavior. We report…

In this study, the effects of synthesis method and dopant Neodymium ion on the ferroelectric properties and photocatalytic activity of bismuth ferrite were studied. BiFeO3 (BFO) and Bi0.8Nd0.2FeO3 (BNFO) nanoparticles were prepared through…

Applied Physics · Physics 2018-09-05 Hamed Maleki

Recent advances in creating complex oxide heterostructures, interfaces formed between two different transition metal oxides, have heralded a new era of materials and physics research, enabling a uniquely diverse set of coexisting physical…

Mesoscale and Nanoscale Physics · Physics 2014-07-07 Joseph A. Sulpizio , Shahal Ilani , Patrick Irvin , Jeremy Levy

Nickel oxide nanoparticles of different sizes are prepared and characterized by x-ray diffraction and transmission electron microscopy. A.C. susceptibility measurements as a function of temperature are carried out for various particle sizes…

Soft Condensed Matter · Physics 2007-05-23 S. D. Tiwari , K. P. Rajeev

Metal-oxide interfaces with poor coherency have unique properties comparing to the bulk materials and offer broad applications in the fields of heterogeneous catalysis, battery, and electronics. However, current understanding of the…

Materials Science · Physics 2024-03-01 Yao Zhang , Zezhou Li , Xing Tong , Zhiheng Xie , Siwei Huang , Yue-E Zhang , Hai-Bo Ke , Wei-Hua Wang , Jihan Zhou

Room-temperature ferromagnetism has been observed in the nanoparticles (7 - 30 nm dia) of nonmagnetic oxides such as CeO2, Al2O3, ZnO, In2O3 and SnO2. The saturated magnetic moments in CeO_2 and Al_2O_3 nanoparticles are comparable to those…

Materials Science · Physics 2007-07-24 A. Sundaresan , R. Bhargavi , N. Rangarajan , U. Siddesh , C. N. R. Rao