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Diamond quantum thermometry exploits the optical and electrical spin properties of colour defect centres in diamonds and, acts as a quantum sensing method exhibiting ultrahigh precision and robustness. Compared to the existing luminescent…

Mesoscale and Nanoscale Physics · Physics 2021-09-10 Masazumi Fujiwara , Yutaka Shikano

Much scientific and practical interest is currently focused on the atomic-scale mechanical behaviors of metallic nanocrystals with different crystal structures at room temperature, while the high-temperature plastic deformation in tungsten…

Materials Science · Physics 2023-11-09 Sixue Zheng , Zhengwu Fang , Scott X. Mao

A nanoscale-sized Stirling engine with an atomistic working fluid has been modeled using molecular dynamics simulation. The design includes heat exchangers based on thermostats, pistons attached to a flywheel under load, and a regenerator.…

Computational Physics · Physics 2009-05-03 D. C. Rapaport

Hexagonal close-packed (hcp) titanium exhibits a complex temperature-dependent mechanical response that is central to its use in structural applications. We employ large-scale molecular dynamics simulations to investigate the…

Materials Science · Physics 2025-09-30 G. Markovic , F. J. Dominguez-Gutierrez

Revealing the properties of single spin defects in solids is essential for quantum applications based on solid-state systems. However, it is intractable to investigate the temperature-dependent properties of single defects, due to the low…

Quantum Physics · Physics 2022-12-07 Shaoyi Xu , Mingzhe Liu , Tianyu Xie , Zhiyuan Zhao , Qian Shi , Pei Yu , Chang-Kui Duan , Fazhan Shi , Jiangfeng Du

We discuss recently introduced numerical linked-cluster (NLC) algorithms that allow one to obtain temperature-dependent properties of quantum lattice models, in the thermodynamic limit, from exact diagonalization of finite clusters. We…

Statistical Mechanics · Physics 2007-06-25 Marcos Rigol , Tyler Bryant , Rajiv R. P. Singh

We demonstrate a silicon-based high frequency nanomechanical device capable of switching controllably between two states at room temperature. The device uses a nanomechanical resonator with two distinct states in the hysteretic nonlinear…

Mesoscale and Nanoscale Physics · Physics 2009-09-30 Diego N. Guerra , Matthias Imboden , Pritiraj Mohanty

We introduce and experimentally validate a new macro-level model of the CPU temperature/power relationship within nanometer-scale application processors or system-on-chips. By adopting a holistic view, this model is able to take into…

Hardware Architecture · Computer Science 2014-04-15 Karel De Vogeleer , Gerard Memmi , Pierre Jouvelot , Fabien Coelho

We propose a method to achieve high degree control of nanomechanical oscillators by coupling their mechanical motion to single spins. By manipulating the spin alone and measuring its quantum state heralds the cooling or squeezing of the…

Quantum Physics · Physics 2016-08-17 D. D. Bhaktavatsala Rao , S. Ali Momenzadeh , Jörg Wrachtrup

Quantum Hall (QH) systems consist of many-body electron and nuclear spins. They are coupled so weakly through the hyperfine interaction that normally electron spin dynamics are scarcely affected by the nuclear spins. The dynamics of the QH…

Mesoscale and Nanoscale Physics · Physics 2016-02-17 Y. Hama , M. H. Fauzi , K. Nemoto , Y. Hirayama , Z. F. Ezawa

In this paper, the thermal and structural properties of Cu-Au (Copper-Gold) Janus nanoparticles with a diameter of 5 nm are investigated by using molecular dynamics (MD) simulations within the interactions defined by the many-body embedded…

Materials Science · Physics 2025-12-02 Mehmet Akif Cebeci , Hatice Zor Oguz , Sevgi Ozdemir Kart , Hasan Huseyin Kart

The heat capacity $\mathcal{C}$ of a given probe is a fundamental quantity that determines, among other properties, the maximum precision in temperature estimation. In turn, $\mathcal{C}$ is limited by a quadratic scaling with the number of…

We demonstrate feedback cooling of the center-of-mass motion of single charged nanoparticles to millikelvin temperatures in three dimensions via applying oscillating electric fields synchronized to their optically observed motion. The…

Mesoscale and Nanoscale Physics · Physics 2019-05-22 M. Iwasaki , T. Yotsuya , T. Naruki , Y. Matsuda , M. Yoneda , K. Aikawa

We report a detailed study of neuromorphic switching behaviour in inherently complex percolating networks of self-assembled metal nanoparticles. We show that variation of the strength and duration of the electric field applied to this…

Disordered Systems and Neural Networks · Physics 2019-03-06 S. K. Bose , S. Shirai , J. B. Mallinson , S. A. Brown

We propose a new approach to understand the time-dependent temperature increasing process of gold-silica core-shell nanoparticles injected into chicken tissues under near-infrared laser irradiation. Gold nanoshells strongly absorb…

Mesoscale and Nanoscale Physics · Physics 2018-04-04 Vu T. T. Duong , Anh D. Phan , Nghiem T. H. Lien , Do T. Hue , Do Q. Hoa , Do T. Nga , Tran H. Nhung , Nguyen A. Viet

The shape memory behavior of a NiTi nanoparticle is analyzed by molecular dynamics simulations. After a detailed description of the equilibrium structures of the used model potential, the multi variant martensitic ground state, which…

Materials Science · Physics 2022-01-04 Daniel Mutter , Peter Nielaba

Biological materials are self-assembled with near-atomic precision in living cells, whereas synthetic 3D structures generally lack such precision and controllability. Recently, DNA nanotechnology, especially DNA origami technology, has been…

Mechanically interlocked molecules have marked a breakthrough in the field of topological chemistry and boosted the vigorous development of molecular machinery. As an archetypal example of the interlocked molecules, catenanes comprise…

Biological Physics · Physics 2021-05-03 Andreas Peil , Pengfei Zhan , Na Liu

We present the effect of temperature on the switching characteristics of a bistable nonlinear nanomechanical beam. At MHz-range frequencies, we find that it is possible to controllably change the state of the system between two stable…

Other Condensed Matter · Physics 2009-11-11 Robert L. Badzey , Guiti Zolfagharkhani , Alexei Gaidarzhy , Pritiraj Mohanty

We present an optimized scheme for nanoscale measurements of temperature in a complex environment using the nitrogen-vacancy center in nanodiamonds. To this end we combine a Ramsey measurement utilized to temperature determination with…