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Layered transition metal dichalcogenides (TMDs) are attracting increasing attention because they exhibit unconventional magnetic properties due to crystal imperfections in their usually non-magnetic 2D structure. This work aims to…

Mesoscale and Nanoscale Physics · Physics 2022-02-03 Utkalika P. Sahoo , Spandan Anupam , Bidyadhar Das , Mrinal K. Sikdar , Laxmipriya Nanda , Pratap K. Sahoo

Large perpendicular magnetic anisotropy (PMA) in transition metal thin films provides a pathway for enabling the intriguing physics of nanomagnetism and developing broad spintronics applications. After decades of searches for promising…

Materials Science · Physics 2018-06-13 Jie-Xiang Yu , Jiadong Zang

In this study structural and mechanical properties of a 1 um thick Al2O3 coating, deposited on 316L stainless steel by Pulsed Laser Deposition (PLD), subjected to high energy ion irradiation were assessed. Mechanical properties of pristine…

Ultrafine-grained aluminum alloys offer interesting multifunctional properties with a combination of high strength, low electrical resistivity, and low density. However, due to thermally induced grain coarsening, they typically suffer from…

Altermagnets are a newly identified class of materials that combine advantageous characteristics of both ferro- and antiferromagnets, making them highly promising for spintronic applications. Hematite has recently been identified as an…

Atomic layer deposition (ALD) provides uniform and conformal thin films that are of interest for a range of applications. To better understand the properties of amorphous ALD films, we need improved understanding of their local atomic…

Materials Science · Physics 2021-02-12 Ahmed M. Jasim , Xiaoqing He , Yangchuan Xing , Tommi A. White , Matthias J. Young

The binary manganese aluminium (MnAl) alloy with L$1_0$ crystal structure is a promising rare earth element-free permanent magnetic material because of its exceptional magnetic properties. However, experimentally synthesizing it in a stable…

Materials Science · Physics 2024-08-01 Churna Bhandari , Gavin N. Nope , T. Lograsso , Durga Paudyal

We have investigated the structural, magnetic and superconducting properties of [Nb(1.5nm)/Fe(x)]$_{10}$ superlattices deposited on a thick Nb(50nm) layer. Our investigation showed that the Nb(50nm) layer grows epitaxially at 800$^\circ$C…

Superconductivity · Physics 2020-08-27 Yu. N. Khaydukov , S. Pütter , L. Guasco , R. Morari , G. Kim , T. Keller , A. S. Sidorenko , B. Keimer

Laser surface remelting of as-cast Al-Ge eutectic alloy is shown to produce ultrafine lamellar eutectic morphology with interlamellar spacing refined up to ~60 nm and composed of FCC Al solid solution and unusual AlxGey intermetallic phases…

Materials Science · Physics 2025-01-03 Arkajit Ghosh , Wenqian Wu , Tao Ma , Ashwin J. Shahani , Jian Wang , Amit Misra

Thin-film solid-state metal dealloying (thin-film SSMD) is a promising method for fabricating nanostructures with controlled morphology and efficiency, offering advantages over conventional bulk materials processing methods for integration…

Nonvolatile spintronics-based devices that utilize electron spin both to store and transport information face a great challenge when scaled to nano dimensions due to loss of thermal stability and stray field induced disturbance in closely…

Mesoscale and Nanoscale Physics · Physics 2023-09-28 Kutay Akin , Hasan Piskin , Ege Selvi , Emre Demircanli , Sevval Ari , Mohammad Hassan Ramezan zadeh , Bayram Kocaman , Ozhan Ozatay

Topological semimetals in ferromagnetic materials have attracted enormous attention due to the potential applications in spintronics. Using the first-principles density functional theory together with an effective lattice model, here we…

Materials Science · Physics 2019-06-12 Xiaodong Zhou , Run-Wu Zhang , Zeying Zhang , Da-Shuai Ma , Wanxiang Feng , Yuriy Mokrousov , Yugui Yao

We investigate the integration of Al2O3 high-k dielectric on two-dimensional (2D) crystals of boron nitride (BN) and molybdenum disulfide (MoS2) by atomic layer deposition (ALD). We demonstrate the feasibility of direct ALD growth with…

Mesoscale and Nanoscale Physics · Physics 2012-06-07 Han Liu , Kun Xu , Xujie Zhang , Peide D. Ye

By using superconducting quantum interference device (SQUID) magnetometry we investigated anisotropic high-field (H < 7 T) low-temperature (10 K) magnetization response of inhomogeneous nanoisland FeNi films grown by rf sputtering…

In the latest experimental advances, Ni-, Co- and Cu-HAB MOFs were synthesized in 2D forms, with high electrical conductivities and capacitances as well. Motivated by these experimental advances, we employed first-principles simulations to…

Computational Physics · Physics 2018-11-05 Bohayra Mortazavi , Masoud Shahrokhi , Meysam Makaremi , Gianaurelio Cuniberti , Timon Rabczuk

We demonstrate the magnetization reversal features in NiFe/IrMn/NiFe thin-film structures with 40% and 75% relative content of Ni in Permalloy in the temperature range from 80 K to 300 K. At the descending branches of the hysteresis loops,…

Mesoscale and Nanoscale Physics · Physics 2019-04-01 Ch. Gritsenko , I. Dzhun , M. Volochaev , M. Gorshenkov , G. Babaytsev , N. Chechenin , A. Sokolov , Oleg A. Tretiakov , V. Rodionova

We investigate the electronic and magnetic properties of single Fe, Co, and Ni atoms and clusters on monolayer graphene (MLG) on SiC(0001) by means of scanning tunneling microscopy (STM), x-ray absorption spectroscopy, x-ray magnetic…

Mesoscale and Nanoscale Physics · Physics 2013-04-26 T. Eelbo , M. Waśniowska , P. Thakur , M. Gyamfi , B. Sachs , T. O. Wehling , S. Forti , U. Starke , C. Tieg , A. I. Lichtenstein , R. Wiesendanger

Large area nickel antidot arrays with density up to 10^10 /cm^2 have been fabricated by depositing nickel onto anodic aluminum oxide membranes that contain lattices of nanopores. Electron microscopy images show a high degree of order of the…

In this study we report on the film growth and characterization of thin (approximately 50 nm thick) Ti-Fe-C films deposited on amorphous quartz. The experimental studies have been complemented by first principles density functional theory…

Single-photon emitters (SPEs) within wide-bandgap materials represent an appealing platform for the development of single-photon sources operating at room temperatures. Group III- nitrides have previously been shown to host efficient SPEs…