Results 91 to 100 of about 282,649 (341)

Exotic criticality in the dimerized spin-1 $XXZ$ chain with single-ion anisotropy

SciPost Physics, 2018
We consider the dimerized spin-1 $XXZ$ chain with single-ion anisotropy $D$. In absence of an explicit dimerization there are three phases: a large-$D$, an antiferromagnetically ordered and a Haldane phase.
Satoshi Ejima, Tomoki Yamaguchi, Fabian H. L. Essler, Florian Lange, Yukinori Ohta, Holger Fehske
doaj   +1 more source

Complexes of Cobalt(II) Iodide with Pyridine and Redox Active 1,2-Bis(arylimino)acenaphthene: Synthesis, Structure, Electrochemical, and Single Ion Magnet Properties

Molecules, 2020
Complexes [(dpp-BIAN)0CoIII2]·MeCN (I) and [(Py)2CoI2] (II) were synthesized by the reaction between cobalt(II) iodide and 1,2-bis(2,6-diisopropylphenylimino)acenaphthene (dpp-BIAN) or pyridine (Py), respectively.
Dmitriy S. Yambulatov, Stanislav A. Nikolaevskii, Mikhail A. Kiskin, Tatiana V. Magdesieva, Oleg A. Levitskiy, Denis V. Korchagin, Nikolay N. Efimov, Pavel N. Vasil’ev, Alexander S. Goloveshkin, Alexey A. Sidorov, Igor L. Eremenko   +10 more
doaj   +1 more source

Temperature-driven transition from skyrmion to bubble crystals in centrosymmetric itinerant magnets

New Journal of Physics, 2021
Interplay between itinerant electrons and localized spins in itinerant magnets gives rise to a variety of noncoplanar multiple- Q spin textures, such as the skyrmion, hedgehog, meron, and vortex.
Satoru Hayami
doaj   +1 more source

Advancing Research on Biomaterials and Biological Materials with Scanning Electron Microscopy under Environmental and Low Vacuum Conditions

Advanced Engineering Materials, EarlyView.
Herein, environmental scanning electron microscopy (ESEM) is discussed as a powerful extension of conventional SEM for life sciences. By combining high‐resolution imaging with variable pressure and humidity, ESEM allows the analysis of untreated biological materials, supports in situ monitoring of hydration‐driven changes, and advances the functional ...
Jendrian Riedel, Lea Dierker, Antoine Eyram Kwame, Kim Nora Wagner, Jonas J. Unterholzner, Jan‐Henning Dirks, Dorothea Brüggemann   +6 more
wiley   +1 more source

Fixed-Field Alternating-Gradient Accelerators [PDF]

, 2016
These notes provide an overview of Fixed-Field Alternating-Gradient (FFAG) accelerators for medical applications. We begin with a review of the basic principles of this type of accelerator, including the scaling and non-scaling types, highlighting beam ...
Sheehy, S. L.
core   +4 more sources

Unprecedented hexagonal bipyramidal single-ion magnets based on metallacrowns

Chemical Communications, 2016
Two novel Ln(iii) (Ln = Ce or Nd) complexes based on [15-MC-6] (MC = metallacrown) and phosphine oxide are reported. Both of them feature a hexagonal bipyramidal LnO8 geometry (D6h) and behave as single-ion magnets.
Quan-Wen Li, Rui-Chen Wan, Yan-Cong Chen, Jun-Liang Liu, Long-Fei Wang, Jian-Hua Jia, Nicholas F. Chilton, Ming-Liang Tong   +7 more
openaire   +3 more sources

Magnetic anisotropy in surface-supported single-ion lanthanide complexes [PDF]

Physical Review B, 2016
Single-ion lanthanide-organic complexes can provide stable magnetic moments with well-defined orientation for spintronic applications on the atomic level. Here, we show by a combined experimental approach of scanning tunneling microscopy and X-ray absorption spectroscopy that dysprosium-tris(1,1,1-trifluoro-4-(2-thienyl)-2,4butanedionate) (Dy(tta)$_3$)
Paul Stoll, Matthias Bernien, Daniela Rolf, Fabian Nickel, Qingyu Xu, Claudia Hartmann, Tobias R. Umbach, Jens Kopprasch, Janina N. Ladenthin, Enrico Schierle, Eugen Weschke, Constantin Czekelius, Wolfgang Kuch, Katharina J. Franke   +13 more
openaire   +4 more sources

Bimetallic (NiFe) and Trimetallic (NiFeCr) Nanoalloys from Metal Oxides Using a Microwave Hydrogen Plasma

Advanced Engineering Materials, EarlyView.
Bimetallic (NiFe) and trimetallic (NiFeCr) nanoalloys (NAs) are synthesized using corresponding oxide mixtures using microwave hydrogen plasma within a few milliseconds. The process simultaneously 1) reduces metal oxides to metals; 2) downsizes the particles from micrometers to nanometers; and 3) blends the metals to form NAs.
Sachin Kumar, Mohammad Kazemi, Zichang Xiong, Thomas Cameron, Julian Held, Uwe Kortshagen   +5 more
wiley   +1 more source

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

Ideal Molecular Sieving with a Dense MOF for Helium Upgrading with Highly Diffusion Selective Mixed Matrix Membranes

Advanced Functional Materials, EarlyView.
The separation of Helium gas from natural gas is challenging but highly important. MIL‐116(Ga), a “non‐porous” metal–organic framework is used as a molecular sieve to separate He from CH4. Druse‐like MIL‐116(Ga) particles are integrated into polysulfone mixed matrix membranes.
Ayisha Komal, Laura Calderón‐Rodríguez, Oksana Smirnova, Eren Grossmann, Aparna Binu Varghese, Karen Marlenne Garcia Alvarez, Andreas Schneemann, Thomas Hoyer, Ralf Wyrwa, Felix Helmut Schacher, Alexander Knebel   +10 more
wiley   +1 more source