Michael E. Manley
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View article: Constraints on magnetism and correlations in RuO2 from lattice dynamics and Mössbauer spectroscopy
Constraints on magnetism and correlations in RuO2 from lattice dynamics and Mössbauer spectroscopy Open
We provide experimental evidence for the absence of a magnetic moment in bulk RuO$_2$, a candidate altermagnetic material, by using a combination of Mössbauer spectroscopy, nuclear forward scattering, inelastic X-ray and neutron scattering…
View article: Giant electric-field induced thermal switching controlled by phonon scattering in a relaxor ferroelectric
Giant electric-field induced thermal switching controlled by phonon scattering in a relaxor ferroelectric Open
The demand for high energy efficiency drives intense interest in thermal management technology. The active control of heat flow in materials can dramatically enhance device efficiency. Phonons are a major contributor to heat transfer in so…
View article: Constraints on magnetism and correlations in RuO$_2$ from lattice dynamics and Mössbauer spectroscopy
Constraints on magnetism and correlations in RuO$_2$ from lattice dynamics and Mössbauer spectroscopy Open
We provide experimental evidence for the absence of a magnetic moment in bulk RuO$_2$, a candidate altermagnetic material, by using a combination of Mössbauer spectroscopy, nuclear forward scattering, inelastic X-ray and neutron scattering…
View article: Constraints on magnetism and correlations in RuO2 from lattice dynamics and Mössbauer spectroscopy
Constraints on magnetism and correlations in RuO2 from lattice dynamics and Mössbauer spectroscopy Open
We provide experimental evidence for the absence of a magnetic moment in bulk RuO2, a candidate altermagnetic material, by using a combination of Mössbauer spectroscopy, nuclear forward scattering, inelastic X-ray and neutron scattering, a…
View article: Altermagnetic behavior in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>OsO</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:math>: Parallels with <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>RuO</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:math>
Altermagnetic behavior in : Parallels with Open
We investigate and compare the electronic structure of OsO2 with the extensively studied RuO2. Calculations show that OsO2 exhibits antiferromagnetism and spin splitting driven by crystal symmetry, a characteristic of altermagnetism and si…
View article: Phonon second harmonic generation in NaBr studied by inelastic neutron scattering and computer simulation
Phonon second harmonic generation in NaBr studied by inelastic neutron scattering and computer simulation Open
The phenomenon of second harmonic generation (SHG) was found for phonons in anharmonic NaBr by inelastic neutron scattering. The temperature dependence of this phonon SHG was measured from 300 K to 650 K. At 300 K the second harmonic (SH) …
View article: Phonon Dispersion Relations and Electron-Phonon Coupling in Iridium
Phonon Dispersion Relations and Electron-Phonon Coupling in Iridium Open
This dataset comprises inelastic neutron scattering measurements of iridium conducted at SNS (ARCS, ITPS-30061) and HFIR (HB-3, TAX, IPTS-25194). ARCS data collected using 50 meV incident energy and include both signal and background files…
View article: Altermagnetic behavior in OsO2: Parallels with RuO2
Altermagnetic behavior in OsO2: Parallels with RuO2 Open
This dataset contains input and output files from DFT simulations used to reproduce the electronic and phonon band structures of bulk OsO₂ and RuO₂. The files include data from initial electronic structure and phonon calculations performed…
View article: Phonon Density of States in Zirconium Nitride
Phonon Density of States in Zirconium Nitride Open
Measurements of the phonon density of states of ZrN at 6, 100, 300, 400, 600K.
View article: Supporting Data for "Constraints on magnetism and correlations in RuO2 from lattice dynamics and Mössbauer spectroscopy"
Supporting Data for "Constraints on magnetism and correlations in RuO2 from lattice dynamics and Mössbauer spectroscopy" Open
Contents of this DOI are data for the research paper "Constraints on magnetism and correlations in RuO2 from lattice dynamics and Mossbauer spectroscopy" by the authors: George Yumnam, et. al. The dataset contains data from inelastic x-ray…
View article: Electric field effect on lattice dynamics of a relaxor ferroelectric PMN-30PT measured on ARCS.
Electric field effect on lattice dynamics of a relaxor ferroelectric PMN-30PT measured on ARCS. Open
The combined inelastic neutron scattering data from ARCS for poled PMN-30PT single crystal is at 300K and for unpoled crystal the data were collected at 300K and at 488K. The incident neutron energy for both poled and unpoled crystals was …
View article: Impact of dynamic Jahn-Teller effect on magnetic excitations, lattice vibration, and thermal conductivity in UxTh1-xO2 system
Impact of dynamic Jahn-Teller effect on magnetic excitations, lattice vibration, and thermal conductivity in UxTh1-xO2 system Open
Vibrational and magnetic properties of single-crystal uranium-thorium dioxide (UxTh1-xO2) with a full range of 0
View article: Magnon gap tuning in lithium-doped MnTe
Magnon gap tuning in lithium-doped MnTe Open
Manganese telluride (MnTe) is a prospective platform for ultrafast carrier dynamics, spin-based thermoelectrics, and magnon-drag transport due to its unique electronic and magnetic properties. We use inelastic neutron scattering to study b…
View article: Hybrid magnon-phonon localization enhances function near ferroic glassy states
Hybrid magnon-phonon localization enhances function near ferroic glassy states Open
Ferroic materials on the verge of forming ferroic glasses exhibit heightened functionality that is often attributed to competing long- and short-range correlations. However, the physics underlying these enhancements is not well understood.…
View article: Giant Modulation of Refractive Index from Picoscale Atomic Displacements
Giant Modulation of Refractive Index from Picoscale Atomic Displacements Open
It is shown that structural disorder—in the form of anisotropic, picoscale atomic displacements—modulates the refractive index tensor and results in the giant optical anisotropy observed in BaTiS 3 , a quasi‐1D hexagonal chalcogenide. Sing…
View article: Magnetism and superconductivity of uranium and intermetallic compounds
Magnetism and superconductivity of uranium and intermetallic compounds Open
Heat capacity, resistivity, and phonon density of states have been measured on uranium and reported already. Many of the results are on single crystals of purity that has been unavailable before. Some intermetallic compounds have been meas…
View article: Magnon gap tuning in lithium-doped MnTe
Magnon gap tuning in lithium-doped MnTe Open
Data in this DOI includes: 1) Powder Diffraction at HFIR POWDER (HB-2A) of pure MnTe and 5%-lithium doped MnTe at various temperatures ranging from T = 4 - 360 K for pure MnTe and T = 4 - 290 K for 5% lithium doped MnTe. 2) Inelastic neutr…
View article: Strain glass state of magnetic shape memory alloy Ni45Co5Mn36.6In13.4 measured on SEQUOIA at 5 K
Strain glass state of magnetic shape memory alloy Ni45Co5Mn36.6In13.4 measured on SEQUOIA at 5 K Open
Combined inelastic neutron scattering data from SEQUOIA on the strain glass state of Ni45Co5Mn36.6In13.4 measured at 5 K. Crystal was oriented with HHL in the scattering plane. To obtain a large Q-E volume the crystal was rotated in the be…
View article: Magnetic shape memory alloy Ni45Co5Mn36.6In13.4 measured on ARCS at 300 K and 450 K
Magnetic shape memory alloy Ni45Co5Mn36.6In13.4 measured on ARCS at 300 K and 450 K Open
These sqw files were generated by combining all of the individual crystal angles scans using the HORACE software package (https://pace-neutrons.github.io/Horace/unstable/user_guide/Getting_started.html). The neutron incident energy for bot…
View article: RuO2 - ARCS - powder 300 K
RuO2 - ARCS - powder 300 K Open
Inelastic neutron scattering data on RuO2 polycrystalline 300 K, ARCS.
View article: Strain glass state of magnetic shape memory alloy Ni45Co5Mn36.6In13.4 measured on ARCS at 300 K
Strain glass state of magnetic shape memory alloy Ni45Co5Mn36.6In13.4 measured on ARCS at 300 K Open
Combined inelastic neutron scattering data from ARCS on the strain glass state of Ni45Co5Mn36.6In13.4 measured at 300 K. Crystal was oriented with HHL in the scattering plane. To obtain a large Q-E volume the crystal was rotated in the bea…
View article: Effect of frustration on the soft phonon of a shape memory strain glass
Effect of frustration on the soft phonon of a shape memory strain glass Open
Triple axis inelastic neutron data collected on the HB3 instrument at 220 K, 260 K, 300K, 350 K, 400 K, 450 K, 500 K.
View article: Phonon thermal transport in UO$_2$ via self-consistent perturbation theory
Phonon thermal transport in UO$_2$ via self-consistent perturbation theory Open
Computing thermal transport from first-principles in UO$_2$ is complicated due to the challenges associated with Mott physics. Here we use irreducible derivative approaches to compute the cubic and quartic phonon interactions in UO$_2$ fro…
View article: Giant Modulation of Refractive Index from Picoscale Atomic Displacements
Giant Modulation of Refractive Index from Picoscale Atomic Displacements Open
Structural disorder has been shown to enhance and modulate magnetic, electrical, dipolar, electrochemical, and mechanical properties of materials. However, the possibility of obtaining novel optical and optoelectronic properties from struc…
View article: Impacts of irradiation-induced nanostructure on phonon linewidths and thermal conductivity in U-Zr alloy
Impacts of irradiation-induced nanostructure on phonon linewidths and thermal conductivity in U-Zr alloy Open
Ion irradiation can significantly change material properties. Thermal conductivity degradation of reactor fuel is detrimental to safety and efficiency—driving research on how irradiation impacts heat-carrying phonons. Here, we report the m…
View article: Vibrations and Phase Stability in Mixed Valence Antimony Oxide
Vibrations and Phase Stability in Mixed Valence Antimony Oxide Open
α-Sb2O4 (cervantite) and β-Sb2O4 (clinocervantite) are mixed valence compounds with equal proportions of SbIII and SbV as represented in the formula SbIIISbVO4. Their structure and properties can be difficult to calculate owing to the SbII…
View article: (Mg,Mn,Fe,Co,Ni)O: A rocksalt high-entropy oxide containing divalent Mn and Fe
(Mg,Mn,Fe,Co,Ni)O: A rocksalt high-entropy oxide containing divalent Mn and Fe Open
High-entropy oxides (HEOs) have aroused growing interest due to fundamental questions relating to their structure formation, phase stability, and the interplay between configurational disorder and physical and chemical properties. Introduc…