Cameron L. Tracy
YOU?
Author Swipe
View article: Multi-stage phase transformation pathways in MAX phases
Multi-stage phase transformation pathways in MAX phases Open
Diverse, multi-stage phase transformations occur in many materials under extreme environments. In response to irradiation, some MAX phase compositions transform from an initial hexagonal structure to an intermediate γ-phase, then to a face…
View article: Hypersonic Weapons: Vulnerability to Missile Defenses and Comparison to MaRVs
Hypersonic Weapons: Vulnerability to Missile Defenses and Comparison to MaRVs Open
Assessing the utility of hypersonic boost glide vehicles (BGVs) requires comparing their capabilities to alternative systems that could carry out the same missions, particularly given the technical difficulties and additional costs of deve…
View article: Hypersonic Weapons-Part 1: Background and Vulnerability to Missile Defenses
Hypersonic Weapons-Part 1: Background and Vulnerability to Missile Defenses Open
Assessing the desirability of hypersonic glide vehicles (HGVs) requires understanding what capabilities they may provide compared to alternative systems that could carry out the same missions, particularly given the technical difficulties …
View article: Disposal, Destruction and Disarmament: Comparative Analysis of US Chemical Weapon and Weapons Plutonium Stockpile Reductions
Disposal, Destruction and Disarmament: Comparative Analysis of US Chemical Weapon and Weapons Plutonium Stockpile Reductions Open
The elimination of stockpiled weaponry constitutes a key step in arms control and disarmament processes, lending permanence and irreversibility to arms reductions. Yet it has proven challenging in practice. The destruction of advanced weap…
View article: Erratum: Cureton et al. Review of Swift Heavy Ion Irradiation Effects in CeO2. Quantum Beam Sci. 2021, 5, 19
Erratum: Cureton et al. Review of Swift Heavy Ion Irradiation Effects in CeO2. Quantum Beam Sci. 2021, 5, 19 Open
During the final production steps after the proofreading of this paper [...]
View article: Review of Swift Heavy Ion Irradiation Effects in CeO2
Review of Swift Heavy Ion Irradiation Effects in CeO2 Open
Cerium dioxide (CeO2) exhibits complex behavior when irradiated with swift heavy ions. Modifications to this material originate from the production of atomic-scale defects, which accumulate and induce changes to the microstructure, chemist…
View article: Transformations to amorphous and X-type phases in swift heavy ion-irradiated Ln2O3 and Mn2O3
Transformations to amorphous and X-type phases in swift heavy ion-irradiated Ln2O3 and Mn2O3 Open
The intense, highly localized electronic excitation resulting from swift heavy ion irradiation induces phase transformations in many materials including lanthanide sesquioxides (Ln2O3). To explore the effects of chemical composition on rad…
View article: Multi-scale investigation of heterogeneous swift heavy ion tracks in stannate pyrochlore
Multi-scale investigation of heterogeneous swift heavy ion tracks in stannate pyrochlore Open
A multi-scale approach revealed the complex swift heavy ion track morphology in Er2Sn2O7 pyrochlore. Diffraction and electron microscopy probed phase transformations while neutron pair distribution function analysis elucidated short-range …
View article: Radiation effects in Mn+1AXn phases
Radiation effects in Mn+1AXn phases Open
Mn+1AXn phases exhibit unique laminated atomic structures that result in properties typical of both ceramics and metals. Due to their unusual characteristics, these materials have been proposed for use in a wide variety of industrial appli…
View article: Phase transformations of Al-bearing high-entropy alloys AlxCoCrFeNi (x = 0, 0.1, 0.3, 0.75, 1.5) at high pressure
Phase transformations of Al-bearing high-entropy alloys AlxCoCrFeNi (x = 0, 0.1, 0.3, 0.75, 1.5) at high pressure Open
Pressure-induced structural modifications in high-entropy alloys with varying Al contents, AlxCoCrFeNi (x = 0, 0.1, 0.3, 0.75, 1.5), have been investigated at pressures up to ∼50 GPa by synchrotron X-ray diffraction and, following depressu…
View article: Disorder in Mn+1AXn phases at the atomic scale
Disorder in Mn+1AXn phases at the atomic scale Open
Atomic disordering in materials alters their physical and chemical properties and can subsequently affect their performance. In complex ceramic materials, it is a challenge to understand the nature of structural disordering, due to the dif…
View article: Initial stages of ion beam-induced phase transformations in Gd2O3 and Lu2O3
Initial stages of ion beam-induced phase transformations in Gd2O3 and Lu2O3 Open
The atomic-scale evolution of lanthanide sesquioxides Gd2O3 and Lu2O3 irradiated with 1 MeV Kr ions at room temperature and 120 K, up to fluences of 1 × 1016 ions/cm2 (∼20 dpa), has been characterized by in situ transmission electron micro…
View article: A<sub>2</sub>TiO<sub>5</sub> (A = Dy, Gd, Er, Yb) at High Pressure
A<sub>2</sub>TiO<sub>5</sub> (A = Dy, Gd, Er, Yb) at High Pressure Open
The structural evolution of lanthanide A2TiO5 (A = Dy, Gd, Yb, Er) at high pressure is investigated using synchrotron X-ray diffraction. The effects of A-site cation size and of the initial structure are systematically examined by varying …
View article: Radiation-induced disorder in compressed lanthanide zirconates
Radiation-induced disorder in compressed lanthanide zirconates Open
Swift heavy ion irradiation induces nanoscale defects by dense electronic excitation, which change the high-pressure phase stability fields of A2Zr2O7.
View article: Data for: Structure and bulk modulus of Ln-doped UO2 (Ln = La, Nd) at high pressure
Data for: Structure and bulk modulus of Ln-doped UO2 (Ln = La, Nd) at high pressure Open
Pressure-volume data for various compositions of Ln-doped UO2.
View article: Role of composition, bond covalency, and short-range order in the disordering of stannate pyrochlores by swift heavy ion irradiation
Role of composition, bond covalency, and short-range order in the disordering of stannate pyrochlores by swift heavy ion irradiation Open
A2Sn2O7 (A=Nd,Sm,Gd,Er,Yb,and Y) materials with the pyrochlore structure were irradiated with 2.2 GeV Au ions to systematically investigate disordering of this system in response to dense electronic excitation. Structural modifications wer…
View article: Pressure-induced phase transitions of β-type pyrochlore CsTaWO<sub>6</sub>
Pressure-induced phase transitions of β-type pyrochlore CsTaWO<sub>6</sub> Open
The β-type pyrochlore CsTaWO6 was studied by synchrotron X-ray diffraction (XRD) and Raman scattering methods up to pressures of 43 GPa using a diamond anvil cell (DAC).