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Related papers: Realization of room-temperature ferromagnetic semi…

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In this work, we theoretically investigate the spin-Peltier effect in a heterostructure composed of graphene and a ferromagnetic insulator (FI). Using a microscopic formalism based on the characteristic spin-flip scattering length at the…

Mesoscale and Nanoscale Physics · Physics 2026-05-21 Xin Theng Lee , Xin Hu , Yuya Ominato , Masahiro Tatsuno , Takeo Kato , Mamoru Matsuo

Symmetry-broken electronic phases support neutral collective excitations. For example, monolayer graphene in the quantum Hall regime hosts a nearly ideal ferromagnetic phase at filling factor $\nu=1$ that spontaneously breaks spin rotation…

Graphene is considered to be a promising candidate for future nano-electronics due to its exceptional electronic properties. Unfortunately, the graphene field-effect-transistors (FETs) cannot be turned off effectively due to the absence of…

Materials Science · Physics 2010-02-11 Fengnian Xia , Damon B. Farmer , Yu-ming Lin , Phaedon Avouris

We investigate the magnetic and magneto-optic properties of epitaxial GaN:Gd layers as a function of the external magnetic field and temperature. An unprecedented magnetic moment is observed in this diluted magnetic semiconductor. The…

Materials Science · Physics 2009-11-10 S. Dhar , O. Brandt , M. Ramsteiner , V. F. Sapega , K. H. Ploog

Recently, two-dimensional ferromagnetic semiconductors have been an important class of materials for many potential applications in spintronic devices. Based on density functional theory, we systematically explore the magnetic and…

Materials Science · Physics 2020-01-14 Yulu Ren , Yanfeng Ge , Wenhui Wan , Qiaoqiao Li , Yong Liu

The seeking of room temperature ferromagnetic semiconductors, which take advantages of both the charge and spin degrees of freedom of electrons to realize a variety of functionalities in devices integrated with electronic, optical, and…

Materials Science · Physics 2018-07-26 Huan-Cheng Yang , Ben-Chao Gong , Kai Liu , Zhong-Yi Lu

The review is focused on our recent predictions of nontrivial physical phenomena taking place in the nanostructure single-layer grapheme on ferroelectric substrate, which are related with magnetic field. In particular we predicted that…

Mesoscale and Nanoscale Physics · Physics 2020-11-30 Maksym V. Strikha , Anna N. Morozovska , Zhanna G. Zemska

To realize ferromagnetic semiconductors with high Curie temperature TC is still a challenge in spintronics. Recent experiments have obtained two-dimensional (2D) room temperature ferromagnetic metals, such as monolayers MnSe2 and Cr3Te6. In…

Materials Science · Physics 2024-11-13 Jia-Wen Li , Gang Su , Bo Gu

Van der Waals heterostructures made of graphene and transition metal dichalcogenides (TMD) are an emerging platform for opto-electronic, -spintronic and -valleytronic devices that could benefit from (i) strong light-matter interactions and…

The theoretical description of the nanostructured Pb(Fe1/2Ta1/2)x(Zr1/2Ti1/2)1-xO3 (PFTx-PZT(1-x)) and Pb(Fe1/2Nb1/2)x(Zr1/2Ti1/2)1-xO3 (PFNx-PZT(1-x)) intriguing ferromagnetic, ferroelectric and magnetoelectric properties at temperatures…

Materials Science · Physics 2015-06-19 Maya D. Glinchuk , Eugene A. Eliseev , Anna N. Morozovska

Atomic monolayers on semiconductor surfaces represent a new class of functional quantum materials at the ultimate two-dimensional limit, ranging from superconductors [1, 2] to Mott insulators [3, 4] and ferroelectrics [5] to quantum spin…

Thermal radiation can be substantially enhanced in the near-field scenario due to the tunneling of evanescent waves. The monolayer graphene could play a vital role in this process owning to its strong infrared plasmonic response, however,…

Optics · Physics 2018-10-05 Jiang Yang , Yishu Su , Yang Fu , Shaoxiang Gong , Wei Du , Sailing He , Yungui Ma

In the emergent field of quantum technology, the ability to manage heat at the nanoscale and in cryogenic conditions is crucial for enhancing device performance in terms of noise, coherence, and sensitivity. Here, we demonstrate the active…

Mesoscale and Nanoscale Physics · Physics 2025-12-16 Federico Paolucci , Federica Bianco , Francesco Giazotto , Stefano Roddaro

The pseudospin quantum degree of freedom is one of the most remarkable properties of graphene that distinguishes it from ordinary two-dimensional metals and semiconductors. Pseudospin quantum interference leads to weak antilocalization…

Mesoscale and Nanoscale Physics · Physics 2017-01-04 Giriraj Jnawali , Mengchen Huang , Jen-Feng Hsu , Hyungwoo Lee , Jung-Woo Lee , Patrick Irvin , Chang-Beom Eom , Brian D'Urso , Jeremy Levy

The recent development of MBE techniques for growth of III-V ferromagnetic semiconductors has created materials with exceptional promise in spintronics, i.e. electronics that exploit carrier spin polarization. Among the most carefully…

Materials Science · Physics 2015-06-25 A. H. MacDonald , P. Schiffer , N. Samarth

Nanoribbons - nanometer wide strips of a two-dimensional material - are a unique system in condensed matter physics. They combine the exotic electronic structures of low-dimensional materials with an enhanced number of exposed edges, where…

The paper presents the author view on spin-rooted properties of graphene supported by numerous experimental and calculation evidences. Dirac fermions of crystalline graphene and local spins of graphene molecules are suggested to meet a…

Materials Science · Physics 2016-12-28 Elena F. Sheka

Proximity of two different materials leads to an intricate coupling of quasiparticles so that an unprecedented electronic state is often realized at the interface. Here, we demonstrate a resonance-type many-body ground state in graphene, a…

Strongly Correlated Electrons · Physics 2021-02-12 Jinwoong Hwang , Seungseok Lee , Ji-Eun Lee , Minhee Kang , Hyejin Ryu , Hyun-Jeong Joo , Jonathan Denlinger , Jae-Hoon Park , Choongyu Hwang

Two-dimensional (2D) intrinsic ferromagnetic semiconductors are expected to stand out in the spintronic field. Recently, the monolayer VI$_{3}$ has been experimentally synthesized but the weak ferromagnetism and low Curie temperature…

Materials Science · Physics 2020-04-22 Yulu Ren , Qiaoqiao Li , Wenhui Wan , Yong Liu , Yanfeng Ge

Theoretical studies on the possible origin of room temperature ferromagnetism (ferromagnetic once crystallized) in the molecular transition metal complex, V(TCNE)_x (1.5<x<2) have been carried out. For this family, there have been no…

Strongly Correlated Electrons · Physics 2015-05-18 Hiroyasu Matsuura , Kazumasa Miyake , Hidetoshi Fukuyama