Results 91 to 100 of about 658,725 (274)

Modelling Electron Spin Accumulation in a Metallic Nanoparticle

, 2008
A model describing spin-polarized current via discrete energy levels of a metallic nanoparticle, which has strongly asymmetric tunnel contacts to two ferromagnetic leads, is presented.
C. E. Malec, D. Davidović, K. Yamane, M. Julliere, Y. G. Wei   +4 more
core   +1 more source

Electrochemiluminescent Metallopolymer−Nanoparticle Composites: Nanoparticle Size Effects

Analytical Chemistry, 2011
Metallopolymer-gold nanocomposites have been synthesized in which the metal complex-Au nanoparticle (NP) mole ratio is systematically varied by mixing solutions of 4-(dimethylamino) pyridine protected gold nanoparticles and a [Ru(bpy)(2)PVP(10)](2+) metallopolymer; bpy is 2,2'-bipyridyl and PVP is poly-(4-vinylpyridine). The impact of changing the gold
Anitha, Devadoss, Calum, Dickinson, Tia E, Keyes, Robert J, Forster   +3 more
openaire   +4 more sources

Incorporation of Selenium into Sol–Gel‐Derived Bioactive Glass: Influence on Glass Structure, Bioactivity, and its Selective Cytotoxicity

Advanced Engineering Materials, EarlyView.
Selenium was incorporated into a sol–gel‐derived bioactive glass to enable sustained therapeutic ion release. The selenium‐containing glass preserved bioactivity while selectively inducing cytotoxicity in osteosarcoma cells and maintaining osteoblastic viability.
Breno Rocha Barrioni, Thalita Marcolan Valverde, Talita Martins, Guilherme Mattos Jardim Costa, Alfredo Miranda de Goes, Marcello Rosa Dumont, Eduardo Henrique Martins Nunes, Marivalda de Magalhães Pereira   +7 more
wiley   +1 more source

Solid‐State Diffusion and Intermetallic Phase Formation in Roll‐Bonded Mg–Zn Composites With Kirigami‐Patterned Inlay

Advanced Engineering Materials, EarlyView.
Mg–Zn composites with a thickness of 0.21 mm were fabricated using roll bonding of a kirigami‐patterned Mg alloy inlay within a Zn matrix. Thermal activation following this process led to the formation of tailored intermetallic structures, which provided the composite with enhanced flexural strength.
Yaroslav Frolov, Oleksandr Bobukh, Christian Klose, Florian Nürnberger, Hans Jürgen Maier   +4 more
wiley   +1 more source

Microscopic theory of single-electron tunneling through molecular-assembled metallic nanoparticles

, 2003
We present a microscopic theory of single-electron tunneling through metallic nanoparticles connected to the electrodes through molecular bridges. It combines the theory of electron transport through molecular junctions with the description of the ...
A. Nitzan, A.E. Hanna, C. Joachim, C.A. Berven, C.B. Murray, C.P. Collier, H. Schoeller, H. Schoeller, J. König, J. König, J.J. Storhoff, J.R. Petta, K.-H. Müller, M. Amman, M. Büttiker, M.H. Devoret, Mark A. Ratner, R.P. Andres, S.H.M. Persson, T. Ohgi, Y. Meir, Y. Xue, Y. Xue, Y. Xue, Y. Xue, Yongqiang Xue   +25 more
core   +1 more source

Nanoparticles.

, 2000
Peer ...
Penadés, Soledad, Rojo, Francisco Javier, Martín-Lomas, Manuel   +2 more
openaire   +2 more sources

Copper Nanocrystallization in Anodic Oxide Films of Ti–Cu‐Based Bulk Metallic Glass and Its Effect on the Corrosion Resistance and Cytocompatibility

Advanced Engineering Materials, EarlyView.
Viktoriia Shtefan, Thorgund Nemec, Ute Hempel, Annett Gebert and coworkers demonstrate that anodic treatment of Ti–Cu‐based metallic glass in a nontoxic pyrophosphate electrolyte forms a protective bilayered Ti/Zr‐oxide film enriched with Cu nanocrystals.
Viktoriia Shtefan, Nora Fernández Navas, Thorgund Nemec, Ivan Kaban, Ute Hempel, Andrea Voss, Volker Hoffmann, Darius Pohl, Annett Gebert   +8 more
wiley   +1 more source

Exciton-driven change of phonon modes causes strong temperature dependent bandgap shift in nanoclusters

Nature Communications, 2020
The fundamental bandgap E g of a semiconductor—often determined by means of optical spectroscopy—represents its characteristic fingerprint and changes distinctively with temperature. Here, we demonstrate that in magic sized II-VI clusters containing only
Franziska Münzer, Severin Lorenz, Jiwoong Yang, Taufik Adi Nugraha, Emilio Scalise, Taeghwan Hyeon, Stefan Wippermann, Gerd Bacher   +7 more
doaj   +1 more source

Model for electron emission of high-Z radio-sensitizing nanoparticle irradiated by X-rays

, 2014
In this paper we develop a new model for the electron emission of high-Z nanoparticle irradiated by X-rays. This study is motivated by the recent advances about the nanoparticle enhancement of cancer treatment by radiotherapy.
Cafarelli, P., Casta, R., Champeaux, J. -P., Moretto-Capelle, P., Sence, M.   +4 more
core   +2 more sources

In Situ Constructed Magnetic Core‐Shell Hydrogen‐Bonded Organic Framework‐on‐Metal–Organic Framework Structure: an Efficient Catalyst for Peroxymonosulfate Activation

Advanced Functional Materials, EarlyView.
In this work, a magnetic core‐shell catalyst (HOF‐on‐Fe3O4/ZIF‐67) is successfully synthesized, consisting of a metal–organic framework (ZIF‐67) with magnetic Fe3O4 as the core and a porous hydrogen‐bonded organic framework (HOF) as the shell. The catalyst efficiently activated peroxymonosulfate, resulting in rapid and effective removal of water ...
Yingying Du, Chenhui Ding, Chao Deng, Susanta Banerjee, Seema Agarwal   +4 more
wiley   +1 more source