Magnetism in low dimensionality

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August undefined, 2024

Web18 jan. 2024 · The magnetic properties of the low-dimensional trirutile tantalates Co 1 − x Mg x Ta 2 O 6 [x = 0.0, 0.1, 0.3, 0.5, 0.7, 1.0] are reported in this paper. CoTa 2 O 6 is an antiferromagnet with a transition temperature at T N = 6.6 K, while showing a very broad peak in the magnetic susceptibility at ≈ 12 K owing to the low dimensionality of the … Webwith an outline of the spin-wave approximation. The concepts of low-dimensional low-spin systems and frustration are discussed with reference to the types of systems covered in this thesis. 1.2 Magnetic Ordering and Excitations The simplest models of magnetic systems are semi-classical descriptions which neglect quantum ﬂuctuations.

Low-Dimensional Magnetism - 1st Edition - A.N. Vasiliev - O.S. Volko

WebThe macroscopic manifestation of electron spin is magnetism, including ferromagnetism and antiferromagnetism, therefore, it is necessary to study the low-dimensional magnetism for the effective control of spin, that is, reducing the … Web30 apr. 2024 · Low-dimensional magnets may include thin films, multilayered structures, nanowires, and nanoparticles and may offer superior performances over traditional … auto1 diskussion

Prediction of Stoner-Type Magnetism in Low-Dimensional Electrides

Web15 dec. 2007 · The article discusses the ground-state properties of low-dimensional magnets from the viewpoint of the electronic structure theory. The results presented arose from first-principles calculations based on the material-specific density-functional theory. The focus lies on ultrathin films, wires, chains, and clusters with ferromagnetic, … WebBiogenic nanoparticles; We study extracellular biogenic magnetite (Fe 3 O 4) and magnetosomes of magnetotactic bacteria in order to compare them to chemically-synthesized abiotic magnetite.We use the Fe 2+ /Fe 3+ ratio, which has a strong influence on magnetic anisotropy, as a criteria for measuring biogenicity*****.. Inverse … WebIntroduction to low-dimensional systems Introduction The GaAs/AlGaAs heterostructure and two-dimensional electron or hole system Split gates and one-dimensional electron ... transport (1D) Coulomb blockade in a quantum dot (0D) The integer quantum Hall effect List of publications . At high magnetic field B, the electronic density of ... auto.tn tunisie

Crystals Special Issue : Magnetism in Low Dimensional Structures

Interfacial engineering manipulation of magnetic anisotropy

WebThe second edition of this book on nanomagnetism presents the basics and latest studies of low-dimensional magnetic nano-objects. It highlights the intriguing properties of nanomagnetic objects, such as thin films, nanoparticles, nanowires, nanotubes, nanodisks and nanorings as well as novel phenomena like spin currents. Web15 dec. 2007 · We discuss which systems become magnetic in low dimensions, their respective values for the spin and orbital magnetic moments, the magnetic ground-state … gazon regarnissage bhsWebHere, on the basis of the mechanism of Stoner-type magnetic instability, we propose that in certain electrides the low-dimensionality can facilitate the formation of a magnetic … auto1 hemau

"WebThe reduced symmetry of low dimensional structures enhances decisively the role of the magnetic field orientation, bringing to light novel and unexpected phenomena. In the present book the effect of the application of an in-plane magnetic field upon low dimensional carriers, giving rise to impressive novel phenomena, is presented and … " - Magnetism in low dimensionality

Magnetism in low dimensionality

Delocalized magnetism in low-dimensional graphene system

WebProbing Electronic Structure and Magnetism in Low Dimensionality - An Experimental Approach The ever-growing need for next-generation electronic and magnetic devices calls for new solutions for the engineering of quantum materials, in terms of miniaturization, energy consumption and speed compared to reference benchmarks, e.g. 18 ps for the … WebWe discuss which systems become magnetic in low dimensions, their respective values for the spin and orbital magnetic moments, the magnetic ground-state structures, and the magnetic anisotropy determining the orientation of the magnetization as well as how these properties are altered by respective substrates.

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Web6 mrt. 2024 · The measured bandgaps are relatively narrow (2.0–2.1 eV) which are even lower than that of the benchmark double perovskite Cs 2 AgBiBr 6 (2.2 eV), and are tuneable with structural dimensionality. Magnetic measurements suggest nearest-neighbor antiferromagnetic coupling at low temperatures which occurs due to super-exchange …

Web25 feb. 2024 · Abstract. The manipulation of magnetic states in nanoparticle supercrystals promises new pathways to design nanocrystalline magnetic materials and devices. … WebIt is also generally accepted in the community that low dimensional materials have different magnetic properties compared to bulk. This academic interest that transition from 3D to 2D magnetism can be measured has been the driving force behind much of the recent works on van der Waals magnets.

WebControlling the magnetic and electronic properties of 2D materials is important for their promising applications in low-dimensional spintronics. In this paper, the authors are focused on the control and manipulation of spin-spin interactions in monolayer CrI 3 by applying strain and electric fields. Web31 dec. 2001 · The ground state and the excited states of low-dimensional magnetic systems appear more and more exotic as the spin dimension n increases (n = 1,2 or 3) …

Web12 apr. 2024 · In recent decades, the low-dimensional bimetallic magnets on the base of polymeric transition metal complexes like NiCu(pbaOH)(H 2 O) 3 ⋅2H 2 O, where pba is the 1,3-pro-pylenebis(oxamato), have attracted significant interest due to their interesting physics and potential technological applications. 1,2 1. P. J. van Koningsbruggen, O. …

Web1 apr. 1997 · 226 Low-dimensional magnetic materials Koichi Katsumata One-dimensional (1 D) magnets show novel phenomena that originate from quantum … gazon reparerenWeb13 dec. 2024 · Low-dimensional magnetism physics involves the search for new magnetic compounds and improving their characteristics to meet the needs of … auto1 aktie onvistaWeb19 apr. 2024 · Here, based on the mechanism of Stoner-type magnetic instability, we propose that in certain electrides the low-dimensionality can facilitate the formation of … gazon regarnissage gamm vertWeb25 feb. 2024 · Control of magnetic anisotropy in low-dimensional systems is of paramount importance in terms of their fundamental and technological perspectives. La0.7Sr0.3MnO3 (LSMO) is a ferromagnetic half-metal with a high Curie temperature and many efforts have been made to control its magnetic anisotropy. However, the relationship between the … gazon ras en 5 lettresWebPart of the Physics and Chemistry of Meterials with Low-Dimensional Structures book series (PCMALS,volume 9) Abstract Several possible routes exist by which a 2-d magnetic system can be approximated. We … auto1 kostenWeb5 okt. 2024 · Here, we demonstrate the low-friction behavior of magnetene, a non-vdW 2D material obtained via the exfoliation of magnetite, … gazon regrasWebIn summary, low dimensional magnetic systems stabilized by significant anisotropy are investigated in this thesis. M3 - Thesis fully internal (DIV) SN - 978-94-034-0290-1. PB - Rijksuniversiteit Groningen. CY - [Groningen] ER - Liang L. Field effect controlled magnetism and magnetotransport in low dimensions. gazon regarnissage