Relevant bibliographies by topics / Anti-ferromagnetic Insulator

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  2. Dissertations / Theses
  3. Book chapters

Academic literature on the topic 'Anti-ferromagnetic Insulator'

Author: Grafiati
Published: 7 September 2023
Last updated: 31 July 2025

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Journal articles on the topic "Anti-ferromagnetic Insulator"

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Zhang, Min, Qiya Liu, Ligang Liu, and Tixian Zeng. "Proximity-Induced Magnetism in a Topological Insulator/Half-Metallic Ferromagnetic Thin Film Heterostructure." Coatings 12, no. 6 (2022): 750. http://dx.doi.org/10.3390/coatings12060750.

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Topological insulator (TI) Bi2Se3 thin films were prepared on half-metallic ferromagnetic La0.7Sr0.3MnO3 thin film by magnetron sputtering, forming a TI/FM heterostructure. The conductivity of Bi2Se3was modified by La0.7Sr0.3MnO3 at high- and low-temperature regions via different mechanisms, which could be explained by the short-range interactions and long-range interaction between ferromagnetic insulator and Bi2Se3 due to the proximity effect. Magnetic and transport measurements prove that the ferromagnetic phase and extra magnetic moment are induced in Bi2Se3 films. The weak anti-localized (
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Mahfouzi, Farzad, and Nicholas Kioussis. "Ferromagnetic Damping/Anti-damping in a Periodic 2D Helical Surface; A Nonequilibrium Keldysh Green Function Approach." SPIN 06, no. 02 (2016): 1640009. http://dx.doi.org/10.1142/s2010324716400099.

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In this paper, we investigate theoretically the spin–orbit torque (SOT) as well as the Gilbert damping for a two band model of a 2D helical surface state with a ferromagnetic (FM) exchange coupling. We decompose the density matrix into the Fermi sea and Fermi surface components and obtain their contributions to the electronic transport as well as the SOT. Furthermore, we obtain the expression for the Gilbert damping due to the surface state of a 3D topological insulator (TI) and predict its dependence on the direction of the magnetization precession axis.
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Zhang, J., K. Zhao, X. S. Yang, and Y. Zhao. "Study of magnetic and transport properties of Bi2Se3/FeSe2 bilayer thin films." International Journal of Modern Physics B 35, no. 02 (2021): 2150022. http://dx.doi.org/10.1142/s0217979221500223.

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Thin films of topological insulator (TI) Bi2Se3 were grown onto the surfaces of FeSe2 layers of different thicknesses on Si (100) substrates by magnetron sputtering, forming bilayer films with smooth surface. Magnetic and transport measurements indicate ferromagnetism in these bilayer samples. Large coercive fields at low-temperatures and a room-temperature magnetic order were observed. Moreover, nonsaturated high-filed linear magnetoresistance (MR) and weak anti-localization effect were found in these bilayer thin films. These results indicate that the bilayer samples could have both strong s
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Yokota, Takeshi, Takaaki Kuribayashi, Takeshi Shundo, Keita Hattori, Yasutoshi Sakakibara, and Manabu Gomi. "Magnetic and Dielectric Properties of a Metal/ Cr2O3/Cr2O3-x/Cr2O3/Semiconductor Capacitor Using Magneto-Electric Materials." Key Engineering Materials 350 (October 2007): 221–24. http://dx.doi.org/10.4028/www.scientific.net/kem.350.221.

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We investigated the magnetic and dielectric properties of a metal (Pt)/insulator (Cr2O3)/semiconductor (Si) (MIS) capacitor composed of magneto-electric (ME) materials. The capacitor has anti-ferromagnetic properties and a very small electrically induced magnetic moment. It also shows capacitance-voltage (C-V) properties typical of a Si-MIS capacitor without any hysteresis. By inserting a thin Cr2O3-x layer, the C-V curve has a hysteresis window with a clockwise trace, which indicates that electrons have been injected into the Cr2O3-x layer. These results indicate that this MIS capacitor conta
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Sumi, Satoshi, Yuichiro Hirano, Hiroyuki Awano, and Junji Tominaga. "Ferromagnetic Resonance of a [GeTe/Sb2Te3]6/Py Superlattice." Magnetochemistry 7, no. 12 (2021): 156. http://dx.doi.org/10.3390/magnetochemistry7120156.

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A [GeTe/Sb2Te3] superlattice is known as a topological insulator. It shows magnetic responses such as magneto-optical effect, magneto resistance, magneto capacitance, and so on. We have reported that [GeTe/Sb2Te3] superlattice film has a large spin–orbit interaction using a spin pumping method of a [GeTe/Sb2Te3]/Py superlattice. In this paper, we demonstrate a ST-FMR (spin transfer torque ferromagnetic resonance) of the [GeTe/Sb2Te3]6/Py superlattice, compared with a W/Py bilayer. The superlattice film showed a large resonance signal with a symmetric component. The ratio of symmetric component
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Xie, Hangkai, Fucong Fei, Fenzhen Fang, et al. "Charge carrier mediation and ferromagnetism induced in MnBi6Te10 magnetic topological insulators by antimony doping." Journal of Physics D: Applied Physics 55, no. 10 (2021): 104002. http://dx.doi.org/10.1088/1361-6463/ac3790.

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Abstract A new kind of intrinsic magnetic topological insulator (MTI) MnBi2Te4 family has shed light on the observation of novel topological quantum effects such as the quantum anomalous Hall effect (QAHE). However, strong anti-ferromagnetic (AFM) coupling and high carrier concentration in the bulk hinder practical applications. In closely related materials MnBi4Te7 and MnBi6Te10, the interlayer magnetic coupling is greatly suppressed by Bi2Te3 layer intercalation. However, AFM is still the ground state in these compounds. Here, by magnetic and transport measurements, we demonstrate that a Sb
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Majumder, Supriyo, Malvika Tripathi, I. Píš, et al. "Robust electronic and tunable magnetic states in Sm2 NiMnO6 ferromagnetic insulator." Journal of Physics: Condensed Matter 34, no. 25 (2022): 255502. http://dx.doi.org/10.1088/1361-648x/ac62a4.

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Abstract Ferromagnetic insulators (FM-Is) are the materials of interest for the new generation quantum electronic applications. Here, we have investigated the physical observables depicting FM-I ground states in epitaxial Sm2NiMnO6 (SNMO) double perovskite thin films fabricated under different conditions to realize the different level of Ni/Mn anti-site disorders (ASDs). The presence of ASDs immensely influence the characteristic magnetic and anisotropy behaviors in SNMO system by introducing short scale antiferromagnetic interactions in predominant long range FM ordered host matrix. Charge di
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Zawawi, Rabiatul Adawiyah, Nurul Nasuha Khairulzaman, Suhadir Shamsuddin, and Norazila Ibrahim. "Comparative Study on Structural, Electrical Transport and Magnetic Properties of Cr-Doped in Charge-Ordered Pr0.75Na0.25Mn1-Xcrxo3 and Nd0.75Na0.25Mn1-Ycryo3 Manganites." International Journal of Engineering & Technology 7, no. 4.30 (2018): 76. http://dx.doi.org/10.14419/ijet.v7i4.30.22016.

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Cr doping in charge-ordered Pr0.75Na0.25Mn1-xCrxO3 and Nd0.75Na0.25Mn1-yCryO3 have been synthesized using conventional solid-state method to investigate its effect on structural, electrical transport and magnetic properties. X-ray diffraction (XRD) analysis for both compounds showed that the samples were crystallized in an orthorhombic structure with Pnma group. The unit cell volume value decrease as the Cr-doped increased indicating the possibility of Mn3+ ion was replaced by Cr3+ due to the different of ionic radius. The temperature dependence of electrical resistivity showed an insulating b
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Htoon, Han. "(Invited) Opportunities and Challenges for Quantum Emitters in One and Two Dimensional Materials." ECS Meeting Abstracts MA2022-01, no. 9 (2022): 736. http://dx.doi.org/10.1149/ma2022-019736mtgabs.

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The last five years have witnessed dramatic advances in realization of quantum emitters (QEs) in one dimensional carbon nanotubes and two dimensional layered semiconductors. These novel QEs offer exciting opportunities for not only storing, processing and transducing of quantum information but also sensing physical phenomena beyond classical detection limits. Realization of these opportunities also present multiple challenges including: (1) realizing room temperature, telecommunication wavelength operation; (2) controlling fundamental as well as quantum optical properties such as QE emission w
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Singh, Amit Kumar, Ashwani Kumar, and Beer Pal Singh. "A Review on the Magnetic Behaviour of Ni and Mn based Double Perovskites." Prabha Materials Science Letters 3, no. 2 (2024): 218–41. http://dx.doi.org/10.33889//pmsl.2024.3.2.014.

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This review article describes the observation of some fascinating phenomena in double perovskites. Multifunctional double perovskite materials of general formula A2BB'O6 have received significant scientific attention owing to their fascinating physical characteristics, such as low field magnetoresistance, high temperature ferromagnetism, metal-insulator transition, spin ordering, phase separation and multiferroicity making them a potential candidate for spintronics device applications. Among them, R2NiMnO6 double perovskites have drawn significant attention in last few decades, owing to their
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Dissertations / Theses on the topic "Anti-ferromagnetic Insulator"

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Dalal, Biswajit. "Magnetic and Transport Properties of Perovskite-type Transition Metal Oxides." Thesis, 2019. http://hdl.handle.net/10821/8273.

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Transition metal oxides (TMOs) belong to an interesting and challenging field of research in condensed matter physics and materials science. This class of oxide retains a wide range of alluring properties and reveals novel and exotic phenomena like metalinsulator transition, ferromagnetism, exchange bias, and magnetization reversal. The competition and coexistence of different types of ground states gives rise to complex electronic and magnetic phases. This thesis entitled “Magnetic and Transport Properties of Perovskite-type Transition Metal Oxides” mainly focuses on investigations of structu
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Book chapters on the topic "Anti-ferromagnetic Insulator"

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Yasin, M. W. "Manganese Doped Topological Insulators." In Materials Research Foundations. Materials Research Forum LLC, 2024. http://dx.doi.org/10.21741/9781644902851-6.

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When a topological insulator is incorporated with magnetism, the time-reversal symmetry (TRS) breaks. This chapter sums up the current research in Mn-doped topological insulators, mostly focusing on antiferromagnetic MnBi2Te4 and its family. Specific critical behavior of Mn-doped Bi2Te3 topological insulator reveals ferromagnetic ordering (to increase conductivity) of Mn spin at normal substitution. Moreover, due to intrinsic anti-state substitutional defect if a comparable amount of local moment is produced then calculated data is in favor of a spin glass state with polarization. Exotic pheno
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