Results 211 to 220 of about 279,830 (266)

Giant Magnetic Coercivity Driven by Spin‐Bag Ferromagnetism in Epitaxial Sr3YCo4O10+δ Films with Engineered 2D Oxygen Vacancy Ordering

Advanced Functional Materials, EarlyView.
A giant magnetic coercivity and a vertical shift of hysteresis loops are demonstrated in Sr3YCo4O10+δ epitaxial films. The hard magnetic behavior originates from ferromagnetic spin bags stabilized within a long‐range ordered oxygen‐vacancy structure.
Yanbin Chen, Roger Guzman, Xiaomin Jia, Jialu Wu, Xing Xu, Li Sun, Jinbo Pan, Shixuan Du, Myung‐Hwan Whangbo, Wu Zhou, Jing Ma, Ce‐wen Nan, Chonglin Chen   +12 more
wiley   +1 more source

Sustainable Electrochemical Synthesis of High‐Quality MXenes: Mechanistic Insights, Applications, Challenges, and Technological Prospects

Advanced Functional Materials, EarlyView.
Electrochemical etching provides an eco‐friendly alternative to hazardous HF methods for MXene production. This approach facilitates the selective isolation of the A‐layer from MAX phases with tunable surface terminations. Controlling voltage, electrolytes, temperature, and duration enables the optimal structural integrity. Nevertheless, existing scale
Jagdeep Singh, Madhusudhana M Devadiga, Santosh K. Tiwari, AS Dhaliwal, Gurpreet Singh Selopal   +4 more
wiley   +1 more source

Microscopic Origin of Temperature‐Dependent Anisotropic Heat Transport in Ultrawide‐Bandgap Rutile GeO2

Advanced Functional Materials, EarlyView.
Rutile GeO2${\rm GeO}_{2}$ exhibits orientation‐dependent heat transport with temperature‐dependent anisotropy, showing higher cross‐plane thermal conductivity along [001] than along the equivalent in‐plane [100] and [010] directions. Temperature‐dependent TDTR measurements and first‐principles phonon calculations identify the microscopic phonon ...
Pouria Emtenani, Marta Loletti, Felix Nippert, Eduardo Bedê Barros, Zbigniew Galazka, Hans Tornatzky, Christian Thomsen, Juan Sebastián Reparaz, Riccardo Rurali, Markus R. Wagner   +9 more
wiley   +1 more source

In Situ Observation of Elusive Dirhodium Carbenes and Studies on the Innate Role of Carboxamidate Ligands in Dirhodium Paddlewheel Complexes: A Combined Experimental and Computational Approach. [PDF]

J Am Chem Soc
Peeters M, Baldinelli L, Leutzsch M, Caló F, Auer AA, Bistoni G, Fürstner A.   +6 more
europepmc   +1 more source

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Assimilation of In-Situ Observations

2022
In-situ observations from radiosondes, surface land and marine stations, and aircraft play an important role in data assimilation for global numerical weather prediction, even in the current era when observations from satellites provide approximately 90% of the observations assimilated.
Patricia M. Pauley, Bruce Ingleby
openaire   +1 more source

In-Situ Observations of Reconnection in Space

Space Science Reviews, 2013
This paper gives an overview of the insights into the magnetic reconnection process obtained by in-situ measurements across current sheets found in planetary magnetospheres and the solar wind. Emphasis is placed on results that might be of interest to the study of reconnection in regions where no in-situ observations are available.
Paschmann, G., Øieroset, M., Phan, T.
openaire   +2 more sources

In-situ observations of ion implanted surfaces

Journal of Nuclear Materials, 1976
Abstract A scanning electron microscope facility is described which enables direct observations of sample surfaces during implantation. This technique enables measurements of the growth rates of surface features caused by He implantation of metals.
G.J. Thomas, W. Bauer
openaire   +1 more source

In situ observations of adsorbed microgel particles

Soft Matter, 2007
The formation and morphological changes of a pH-responsive microgel layer on silica and mica were studied by tapping mode atomic force microscopy. First, lightly cross-linked, sterically-stabilised poly(2-vinylpyridine) (P2VP) particles were adsorbed in their non-solvated latex form at pH 4.8 to produce a structurally-disordered monolayer that covers ...
Paul A, FitzGerald, Damien, Dupin, Steven P, Armes, Erica J, Wanless   +3 more
openaire   +2 more sources

In Situ Observations of Precipitation

Proceedings, annual meeting, Electron Microscopy Society of America, 1973
This paper reports preliminary observations of precipitation in several alloy systems obtained with an accurately calibrated hot stage in the AEI EM7 1MeV microscope at Imperial College. These observations, in >1μ thick specimens where precipitation is generally more characteristic of bulk, provide experimental evidence which allows existing ...
E.P. Butler, P.R. Swann
openaire   +1 more source

In Situ observations of the gaseous reduction of magnetite

Metallurgical Transactions B, 1990
The microstructural changes occurring on the surfaces of magnetite samples during the reduction in H/N gas mixtures have been directly recorded using an optical heating stage technique. At low temperatures, below approximately 910 K, the iron forms a porous morphology and grows in a continuous manner at a rate dependent on the reaction temperature and ...
Matthew, S. P., Hayes, P. C.
openaire   +4 more sources