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Related papers: Tunable magnetic states in h-BN sheets

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Using density functional theory we show that the interaction between two Mn atoms can be tuned from anti-ferromagnetic (AFM) to ferromagnetic (FM) state by creating charge disproportion between the two on a 2D surface. The non-metallic…

Materials Science · Physics 2025-12-22 Mihir Ranjan Sahoo , Saroj Kumar Nayak , Kalpataru Pradhan

We present theoretical evidence, based on total-energy first-principles calculations, of the existence of spin-polarized states well localized at and extended along the edges of bare zigzag boron nitride nanoribbons. Our calculations…

Materials Science · Physics 2015-05-13 Veronica Barone , Juan E. Peralta

Novel materials with tunable magnetic states play a significant role in the development of next-generation spintronic devices. In this paper, we examine the role of biaxial strain on the electronic properties of vacancy-decorated hexagonal…

Mesoscale and Nanoscale Physics · Physics 2015-03-24 Bin Ouyang , Jun Song

Boron vacancies in hexagonal boron nitride (hBN) are among the most extensively studied optically active spin defects in van der Waals crystals, due to their promising potential to develop two-dimensional (2D) quantum sensors. In this…

Negatively charged boron vacancies ($\small{V_B^-}$) in hexagonal boron nitride (hBN) have recently gained interest as spin defects for quantum information processing and quantum sensing by a layered material. However, the boron vacancy can…

Spin defects in solid-state materials are strong candidate systems for quantum information technology and sensing applications. Here we explore in details the recently discovered negatively charged boron vacancies ($V_B^-$) in hexagonal…

The interface with spin defects in hexagonal boron nitride has recently become a promising platform and has shown great potential in a wide range of quantum technologies. Varieties of spin properties of $V_B^-$ defects in hexagonal boron…

We show that carbon-doped hexagonal boron nitride (h-BN) has extraordinary properties with many possible applications. We demonstrate that the substitution-induced impurity states, associated with carbon atoms, and their interactions…

Mesoscale and Nanoscale Physics · Physics 2015-06-05 Hyoungki Park , Amita Wadehra , John W. Wilkins , Antonio H. Castro Neto

The negatively charged boron vacancy ($\mathrm{V}_{\mathrm{B}}^-$) in hexagonal boron nitride (hBN) has garnered significant attention among defects in two-dimensional materials. This owes, in part, to its deterministic generation,…

Crystal defects in the two-dimensional insulator hexagonal boron nitride (hBN) can host localised electronic states that are candidates for applications in quantum technology, yet the precise chemical and structural nature of the defects…

Materials Science · Physics 2019-12-18 A Sajid , Kristian S Thygesen , Jeffrey R Reimers , Michael J Ford

To efficiently manipulate magnetism is a key physical issue for modern condensed matter physics, which is also crucial for magnetic functional applications. Most previous relevant studies rely on the tuning of spin texture, while the spin…

Strongly Correlated Electrons · Physics 2020-11-04 Yakui Weng , Xing'ao Li , Shuai Dong

Graphene nanoribbons (GNRs), low-dimensional platforms for carbon-based electronics, show the promising perspective to also incorporate spin polarization in their conjugated electron system. However, magnetism in GNRs is generally…

Hexagonal boron nitride (hBN) is a prototypical high-quality two-dimensional insulator and an ideal material to study tunneling phenomena, as it can be easily integrated in vertical van der Waals devices. For spintronic devices, its…

Optically addressable spin defects in wide-bandage semiconductors as promising systems for quantum information and sensing applications have attracted more and more attention recently. Spin defects in two-dimensional materials are supposed…

We use density functional theory based first-principles methods to study the magnetism in a 2D hexagonal BN sheet induced by the different concentrations of oxygen and silicon atoms substituting for nitrogen (O$_\mathrm{N}$) and boron…

Materials Science · Physics 2010-03-16 Ru-Fen Liu , Ching Cheng

The possibility of modification of the local properties of hexagonal boron nitride (h-BN) by laser irradiation is investigated. Investigations conducted using both Raman spectroscopy and electrostatic force microscopy were performed. Laser…

Materials Science · Physics 2018-07-06 Igor Wlasny , Roman Stepniewski , Zbigniew Klusek , Wlodzimierz Strupinski , Andrzej Wysmolek

Hexagonal boron nitride (hBN) has emerged as a promising two-dimensional platform for quantum sensing, due to its optically addressable spin defects, such as the negatively charged boron vacancy ($V_{\text{B}}^-$). Despite hBN being…

Atomic defects in solid-state materials are building blocks for future quantum technologies, such as quantum communication networks, computers, and sensors. Until recently, a handful of defects in a small selection of host materials have…

Mesoscale and Nanoscale Physics · Physics 2025-10-07 Tobias Vogl , Viktor Ivády , Isaac J. Luxmoore , Hannah L. Stern

We find, with the use of first-principles calculations, that a single-atom-thick boron-nitride (BN) sheet exhibits an unusual nonlinear electromechanical effect: it becomes macroscopically polarized when bent out-of-plane. The direction of…

Materials Science · Physics 2008-10-13 Ivan Naumov , Alexander M. Bratkovsky , V. Ranjan

Optically-active spin defects hosted in hexagonal boron nitride (hBN) are promising candidates for the development of a two-dimensional (2D) quantum sensing unit. Here, we demonstrate quantitative magnetic imaging with hBN flakes doped with…

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