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Related papers: NMR study of native defects in PbSe

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Net proton and negative hadron spectra for central \PbPb collisions at 158 GeV per nucleon at the CERN SPS were measured and compared to spectra from lighter systems. Net baryon distributions were derived from those of net protons,…

Nuclear Experiment · Physics 2012-08-27 NA49 Collaboration

Optically addressable defect qubits in wide band gap materials are favorable candidates for room temperature quantum information processing. The two-dimensional (2D) hexagonal boron nitride (hBN) is an attractive solid state platform with a…

Materials Science · Physics 2024-09-10 Song Li , Anton Pershin , Adam Gali

We show theoretically that the nuclear spin-lattice relaxation rate (T_1T)^{-1} and the spin susceptibility exhibit divergent behaviors toward zero temperature at the quantum critical point (QCP) of the first-order valence transition.…

Strongly Correlated Electrons · Physics 2009-06-23 Shinji Watanabe , Kazumasa Miyake

A few-layer black phosphorene has recently gained significant interest in the scientific community. In this paper, we consider several polymorphs of phosphorene nanoribbons (PNRs) and employ deformation potential theory within the effective…

Materials Science · Physics 2018-02-08 Sumandeep Kaur , Ashok Kumar , Sunita Srivastava , Ravindra Pandey , K. Tankeshwar

Achieving atomic resolution is the ultimate limit of magnetic resonance imaging (MRI), and attaining this capability offers enormous technological and scientific opportunities, from drug development to understanding the dynamics in…

We present the magnetic properties of three recently synthesized binuclear molecular complexes [NiNd], [NiGd] and [ZnGd] investigated by dc magnetization and proton nuclear magnetic resonance (NMR) measurements. The high-temperature…

Mesoscale and Nanoscale Physics · Physics 2011-12-01 P. Khuntia , M. Mariani , A. V. Mahajan , A. Lascialfari , F. Borsa , T. D. Pasatoiu , M. Andruh

The effect of fluctuations on the nuclear magnetic resonance (NMR) relaxation rate, $W$, is studied in a complete phase diagram of a 2D superconductor above the upper critical field line $H_{c2}(T)$ . In the region of relatively high…

Superconductivity · Physics 2015-09-02 Andreas Glatz , Alexey Galda , Andrey A. Varlamov

Recent theoretical work has established the presence of hidden spin and orbital textures in non-magnetic materials with inversion symmetry. Here, we propose that these textures can be detected by nuclear magnetic resonance (NMR)…

Materials Science · Physics 2017-12-11 Jorge Ramírez-Ruiz , Samuel Boutin , Ion Garate

The I-Mn-V antiferromagnet, NaMnBi, develops a very large positive magnetoresistance (MR) up to 10,000% at 2 K and 9 T in crystals showing a semiconductor-to-metal transition (SMT). In the absence of an SMT, a modest (20%) MR is achieved.…

Materials Science · Physics 2020-07-15 Aaron Wegner , Despina Louca , Keith Taddei , Joerg Neuefeind

Very recently, there has been significant progress with establishing a common phenomenology of the superconducting cuprates in terms of nuclear magnetic resonance (NMR) shift and relaxation. Different from the old interpretation, it was…

Superconductivity · Physics 2020-06-05 Marija Avramovska , Danica Pavićević , Jürgen Haase

Sb-NMR/NQR study has revealed a formation of a pseudogap at the Fermi level in the density of states in a valence fluctuating compound CeIrSb. The nuclear spin-lattice relaxation rate divided by temperature, 1/T_1T has a maximum around 300…

Strongly Correlated Electrons · Physics 2007-05-23 Y. Kawasaki , M. Izumi , Y. Kishimoto , T. Ohno , H. Tou , Y. Inaoka , M. Sera , K. Shigetoh , T. Takabatake

We present a $^{125}$Te nuclear magnetic resonance (NMR) study in the three-dimensional spin web lattice Cu$_3$TeO$_6$, which harbors topological magnons. The $^{125}$Te NMR spectra and the Knight shift $\mathcal{K}$ as a function of…

Strongly Correlated Electrons · Physics 2021-08-04 Seung-Ho Baek , Hyeon Woo Yeo , Jena Park , Kwang-Yong Choi , Bernd Büchner

Optically addressable spins in widebandgap semiconductors have become one of the most prominent platforms for exploring fundamental quantum phenomena. While several candidates in 3D crystals including diamond and silicon carbide have been…

Coherent electronic transport through a molecular device is studied using non-equilibrium Green's function (NEGF) formalism. Such device is made of a carbon nanowire which is connected to ferromagnetic electrodes. The molecule itself is…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Kamil Walczak , Gloria Platero

We preform large-scale \emph{ab initio} density functional theory calculations to study the lattice strain and the vibrational properties of colloidal semiconductor core-shell nanoclusters with up to one thousand atoms (radii up to…

Mesoscale and Nanoscale Physics · Physics 2015-10-28 Peng Han , Gabriel Bester

We investigate nuclear matter on a cubic lattice. An exact thermal formalism is applied to nucleons with a Hamiltonian that accommodates on-site and next-neighbor parts of the central, spin- and isospin-exchange interactions. We describe…

Nuclear Theory · Physics 2011-05-12 H. -M. Muller , S. E. Koonin , R. Seki , U. van Kolck

We investigate double quantum dots defined by electrostatic gating in semiconductor PbTe nanowire devices. We perform transport measurements to obtain charge stability diagrams distinguished by negligible separation between paired triple…

Mesoscale and Nanoscale Physics · Physics 2025-09-05 Seth Byard , Maksim Gomanko , Adam Raynolds , Susheng Tan , Tongxie Zhang , Shixiong Zhang , Sergey M. Frolov

Nonlinear electrical properties, such as negative differential resistance (NDR), are essential in numerous electrical circuits, including memristors. Several physical origins have been proposed to lead to the NDR phenomena in semiconductor…

Single-molecule nuclear magnetic resonance (NMR) is a crown-jewel challenge in the field of magnetic resonance spectroscopy and has important applications in chemical analysis and in quantum computing. Recently, it becomes possible to…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 Fazhan Shi , Xi Kong , Pengfei Wang , Fei Kong , Nan Zhao , Ren-Bao Liu , Jiangfeng Du

Lattice vibrations of point defects are essential for understanding non-radiative electron and hole capture in semiconductors as they govern properties including persistent photoconductivity and Shockley-Read-Hall recombination rate.…

Materials Science · Physics 2019-08-07 Sunghyun Kim , Samantha N. Hood , Aron Walsh