Search Results - "A. J. Schwartz"
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1
Applicability of the spin-orbit sum rule for the actinide 5f states
Published in Physical review letters (27-08-2004)“…The branching ratio of core-valence transitions in electron energy-loss spectroscopy and x-ray absorption spectroscopy is linearly related to the expectation…”
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2
Emergence of strong exchange interaction in the actinide series: the driving force for magnetic stabilization of curium
Published in Physical review letters (08-06-2007)“…Using electron energy-loss spectroscopy, many-electron atomic spectral calculations, and density functional theory, we show that angular-momentum coupling in…”
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3
Plutonium metallurgy: The materials science challenges bridging condensed-matter physics and chemistry
Published in Journal of alloys and compounds (11-10-2007)“…Although there exists evidence of metallurgical practices dating back over 6000 years, studies of Pu and Pu alloys have been conducted for barely 60 years…”
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4
He bubble coarsening by migration and coalescence in annealed Pu–Ga alloys
Published in Journal of nuclear materials (01-03-2011)“…The α-decay of plutonium in Pu–Ga alloys continually generates inert He atoms within the lattice of the Pu–Ga matrix. In naturally aged Pu specimens, those He…”
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5
Atomic structure and phase transformations in Pu alloys
Published in Progress in materials science (01-08-2009)“…Plutonium and plutonium-based alloys containing Al or Ga exhibit numerous phases with crystal structures ranging from simple monoclinic to face-centered cubic…”
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6
Averages of b-hadron, c-hadron, and τ-lepton properties as of summer 2016
Published in The European physical journal. C, Particles and fields (21-12-2017)“…This article reports world averages of measurements of b -hadron, c -hadron, and τ -lepton properties obtained by the Heavy Flavor Averaging Group using…”
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7
Spontaneous Thymoma in a Juvenile Cynomolgus Macaque (Macaca fascicularis)
Published in Toxicologic pathology (01-06-2011)“…A single, solid, yellow-white thymic mass was found at necropsy of a two-year-old female cynomolgus macaque from a four-week, repeat-dose toxicity and…”
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8
Modifications to the microstructural topology in f.c.c. materials through thermomechanical processing
Published in Acta materialia (29-05-2000)“…Recently, there has been increased attention toward determination of the grain boundary character distribution (GBCD) and manipulation of the relative…”
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9
Depressive Symptoms Among Adolescents: Testing Vulnerability-Stress and Protective Models in the Context of COVID-19
Published in Child psychiatry and human development (01-12-2022)“…Adolescents who experience negative life events may be at risk for depression, particularly those with psychosocial vulnerabilities. We investigate…”
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10
Kleptoplastic sacoglossan species have very different capacities for plastid maintenance despite utilizing the same algal donors
Published in Symbiosis (Philadelphia, Pa.) (2015)“…The sea slug Elysia clarki sequesters photosynthetically functional chloroplasts from at least a dozen algal species and maintains these plastids for up to…”
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Nucleation and growth of the α′ martensitic phase in Pu–Ga alloys
Published in Acta materialia (01-09-2006)“…In a Pu–2.0 at.% Ga alloy, it is observed experimentally that the amount of the martensitic α′ product formed upon cooling the metastable δ phase below the…”
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12
On the potential for vacancy annihilation as a mechanism for conditioning in Pu-1.9 at.% Ga
Published in Acta materialia (01-10-2009)“…The δ → α ′ martensitic transformation in Pu-1.9 at.% Ga occurs when the alloy is cooled below about −100 °C. This transformation is isothermal and exhibits a…”
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13
Characterization and modelling of helium bubbles in self-irradiated plutonium alloys
Published in Philosophical magazine (2003. Print) (01-02-2005)“…The self-irradiation damage generated by alpha decay of Pu results in the formation of lattice defects and helium and uranium atoms. Over time, microstructural…”
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14
Connections between the Pu–Ga phase diagram in the Pu-rich region and the low temperature phase transformations
Published in Journal of alloys and compounds (11-10-2007)“…Significant progress has been made in recent years regarding the equilibrium phase diagram of the Pu–Ga system. For decades, researchers outside of the former…”
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15
Failure of Russell-Saunders coupling in the 5f states of plutonium
Published in Physical review letters (16-05-2003)“…Using high energy-electron energy loss spectroscopy, transmission electron microscopy, and synchrotron-radiation-based x-ray absorption spectroscopy, we…”
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16
Reproducible phase transformation in a single Pu–1.9 at.% Ga specimen
Published in Journal of nuclear materials (28-02-2009)“…The partial martensitic δ → α ′ transformation in Pu–Ga alloys is sensitive to lattice strains, defects, and dislocations as well as a near–ambient–temperature…”
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Preventative role of interleukin‐17 producing regulatory T helper type 17 (Treg17) cells in type 1 diabetes in non‐obese diabetic mice
Published in Clinical and experimental immunology (01-12-2015)“…Summary T helper type 17 (Th17) cells have been shown to be pathogenic in autoimmune diseases; however, their role in type 1 diabetes (T1D) remains…”
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18
Change in flow stress and ductility of δ-phase Pu–Ga alloys due to self-irradiation damage
Published in Journal of nuclear materials (01-01-2005)“…An internal state variable model for the mechanical behavior of aged Pu–Ga alloys is developed and used to predict the change of the material with accumulated…”
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19
Crystal dynamics of δ fcc Pu-Ga alloy by high-resolution inelastic x-ray scattering
Published in Physical review. B, Condensed matter and materials physics (01-08-2005)Get full text
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20
Evidence of transformation bursts during thermal cycling of a Pu-Ga alloy
Published in Metallurgical and materials transactions. A, Physical metallurgy and materials science (01-03-2006)“…The thermodynamics and kinetics of the fcc (delta) to monoclinic (alpha-prime) phase transformation and its reversion in a plutonium-gallium alloy have been…”
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