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Research Output 1979 2019

2019

Long-Time Asymptotics for Homoenergetic Solutions of the Boltzmann Equation: Collision-Dominated Case

James, R. D., Nota, A. & Velázquez, J. J. L., Jan 1 2019, In : Journal of Nonlinear Science.

Research output: Contribution to journalArticle

Long-time Asymptotics
Boltzmann equation
Boltzmann Equation
Collision
Term

Materials from mathematics

James, R. D., Jan 1 2019, In : Bulletin of the American Mathematical Society. 56, 1, p. 1-28 28 p.

Research output: Contribution to journalArticle

Electricity
Compatibility
Heat
Generator
Hot Temperature

Micromagnetics of Galfenol

Dabade, V., Venkatraman, R. & James, R. D., Apr 15 2019, In : Journal of Nonlinear Science. 29, 2, p. 415-460 46 p.

Research output: Contribution to journalArticle

Micromagnetics
Microstructure
Magnetostriction
Energy
Magnetization
2 Citations (Scopus)

Novel TiNiCuNb shape memory alloys with excellent thermal cycling stability

Tong, Y., Gu, H., James, R. D., Qi, W., Shuitcev, A. V. & Li, L., Apr 25 2019, In : Journal of Alloys and Compounds. p. 343-347 5 p.

Research output: Contribution to journalArticle

Martensitic transformations
Thermal cycling
Shape memory effect
Doping (additives)
Yield stress

Phase transformations and compatibility in helical structures

Feng, F., Plucinsky, P. & James, R. D., Oct 1 2019, In : Journal of the Mechanics and Physics of Solids. 131, p. 74-95 22 p.

Research output: Contribution to journalArticle

compatibility
phase transformations
Hysteresis
Phase transitions
hysteresis
3 Citations (Scopus)

Self-Similar Profiles for Homoenergetic Solutions of the Boltzmann Equation: Particle Velocity Distribution and Entropy

James, R. D., Nota, A. & Velázquez, J. J. L., Feb 7 2019, In : Archive For Rational Mechanics And Analysis. 231, 2, p. 787-843 57 p.

Research output: Contribution to journalArticle

Boltzmann equation
Velocity Distribution
Velocity distribution
Boltzmann Equation
Entropy
2018
4 Citations (Scopus)

Engineering SrSnO 3 Phases and Electron Mobility at Room Temperature Using Epitaxial Strain

Wang, T., Prakash, A., Dong, Y., Truttmann, T., Bucsek, A., James, R., Fong, D. D., Kim, J. W., Ryan, P. J., Zhou, H., Birol, T. & Jalan, B., Dec 19 2018, In : ACS Applied Materials and Interfaces. 10, 50, p. 43802-43808 7 p.

Research output: Contribution to journalArticle

Electron mobility
Temperature
Electronic equipment
Oxides
Epitaxial films
13 Citations (Scopus)

Phase engineering and supercompatibility of shape memory alloys

Gu, H., Bumke, L., Chluba, C., Quandt, E. & James, R. D., Apr 1 2018, In : Materials Today. 21, 3, p. 265-277 13 p.

Research output: Contribution to journalReview article

shape memory alloys
Shape memory effect
fatigue (materials)
engineering
phase transformations
2016
3 Citations (Scopus)

Bragg-von Laue diffraction generalized to twisted X-rays

Jüstel, D., Friesecke, G. & James, R. D., Jan 1 2016, In : Acta Crystallographica Section A: Foundations and Advances. 72, p. 190-196 7 p.

Research output: Contribution to journalArticle

Diffraction
X-Rays
X rays
Carbon Nanotubes
Maxwell equations
16 Citations (Scopus)

Determination of the stretch tensor for structural transformations

Chen, X., Song, Y., Tamura, N. & James, R. D., Aug 1 2016, In : Journal of the Mechanics and Physics of Solids. 93, p. 34-43 10 p.

Research output: Contribution to journalArticle

Tensors
tensors
Phase transitions
phase transformations
Lattice constants
6 Citations (Scopus)

Directional-dependent thickness and bending rigidity of phosphorene

Verma, D., Hourahine, B., Frauenheim, T., James, R. D. & DumitricǍ, T., Sep 13 2016, In : Physical Review B. 94, 12, 121404.

Research output: Contribution to journalArticle

Nanomechanics
Orthotropic plates
Graphite
rigidity
Rigidity
9 Citations (Scopus)

Exceptional Resilience of Small-Scale Au30Cu25Zn45 under Cyclic Stress-Induced Phase Transformation

Ni, X., Greer, J. R., Bhattacharya, K., James, R. D. & Chen, X., Dec 14 2016, In : Nano Letters. 16, 12, p. 7621-7625 5 p.

Research output: Contribution to journalArticle

resilience
phase transformations
Phase transitions
Microactuators
actuation
8 Citations (Scopus)

In-situ characterization of highly reversible phase transformation by synchrotron X-ray Laue microdiffraction

Chen, X., Tamura, N., Macdowell, A. & James, R. D., May 23 2016, In : Applied Physics Letters. 108, 21, 211902.

Research output: Contribution to journalArticle

phase transformations
synchrotrons
x rays
austenite
martensite

Magnetic-field-induced changes in superparamagnetic cluster dynamics in the martensitic phase of Ni 43 Co 7 Mn 40 Sn 10

Kuhns, P. L., Hoch, M. J. R., Yuan, S., Reyes, A. P., Srivastava, V., James, R. D. & Leighton, C., Jun 20 2016, In : Applied Physics Letters. 108, 25, 252403.

Research output: Contribution to journalArticle

nuclear magnetic resonance
magnetic fields
magnetic properties
nanoclusters
relaxation time
1 Citation (Scopus)

Magnetic phase competition in off-stoichiometric martensitic heusler alloys: The Ni50−xCoxMn25+ySn25−y system

Bhatti, K. P., Srivastava, V., Phelan, D. P., El-Khatib, S., James, R. D. & Leighton, C., Jan 1 2016, Springer Series in Materials Science. Springer- Verlag, p. 193-216 24 p. (Springer Series in Materials Science; vol. 222).

Research output: Chapter in Book/Report/Conference proceedingChapter

Magnetic properties
Phase transitions
Magnetic refrigeration
Magnetocaloric effects
Magnetism
5 Citations (Scopus)

Phase separation and superparamagnetism in the martensitic phase of N i50-x C ox M n40 S n10

Yuan, S., Kuhns, P. L., Reyes, A. P., Brooks, J. S., Hoch, M. J. R., Srivastava, V., James, R. D. & Leighton, C., Mar 21 2016, In : Physical Review B. 93, 9, 094425.

Research output: Contribution to journalArticle

Superparamagnetism
Phase separation
Magnetic separation
Magnetic structure
Magnetism
12 Citations (Scopus)

Synthesis of α′′-Fe16 N2 Compound Anisotropic Magnet by the Strained-Wire Method

Jiang, Y., Dabade, V., Allard, L. F., Lara-Curzio, E., James, R. D. & Wang, J., Aug 18 2016, In : Physical Review Applied. 6, 2, 024013.

Research output: Contribution to journalArticle

magnets
wire
synthesis
tensile stress
permanent magnets
3 Citations (Scopus)

Thermodynamics and energy conversion in Heusler Alloys

Song, Y., Leighton, C. & James, R. D., Jan 1 2016, Springer Series in Materials Science. Springer- Verlag, p. 269-291 23 p. (Springer Series in Materials Science; vol. 222).

Research output: Chapter in Book/Report/Conference proceedingChapter

Energy conversion
Phase transitions
Thermodynamics
Free energy
Magnetism
1 Citation (Scopus)

Twisted X-Rays: Incoming waveforms yielding discrete diffraction patterns for helical structures

Friesecke, G., James, R. D. & Jüstel, D., Jan 1 2016, In : SIAM Journal on Applied Mathematics. 76, 3, p. 1191-1218 28 p.

Research output: Contribution to journalArticle

Waveform
Diffraction patterns
Diffraction
X rays
Symmetry
4 Citations (Scopus)
Zigzag
Phase Transformation
martensite
Martensite
phase transformations
2015
10 Citations (Scopus)

A spectral scheme for Kohn-Sham density functional theory of clusters

Banerjee, A. S., Elliott, R. S. & James, R. D., Apr 5 2015, In : Journal of Computational Physics. 287, p. 226-253 28 p.

Research output: Contribution to journalArticle

Density functional theory
density functional theory
spectral methods
Electronic structure
eigenvectors
7 Citations (Scopus)

Incompatible Sets of Gradients and Metastability

Ball, J. M. & James, R. D., Dec 30 2015, In : Archive For Rational Mechanics And Analysis. 218, 3, p. 1363-1416 54 p.

Research output: Contribution to journalArticle

Metastability
Metastable phases
Free energy
Hysteresis
Gradient
8 Citations (Scopus)

Magnetically nanostructured state in a Ni-Mn-Sn shape-memory alloy

Yuan, S., Kuhns, P. L., Reyes, A. P., Brooks, J. S., Hoch, M. J. R., Srivastava, V., James, R. D., El-Khatib, S. & Leighton, C., Jun 16 2015, In : Physical Review B - Condensed Matter and Materials Physics. 91, 21, 214421.

Research output: Contribution to journalArticle

F region
shape memory alloys
Shape memory effect
magnetic properties
nuclear relaxation
6 Citations (Scopus)

Materials science: Magnetic alloys break the rules

James, R. D., May 20 2015, In : Nature. 521, 7552, p. 298-299 2 p.

Research output: Contribution to journalShort survey

hysteresis
magnetization
materials science
10 Citations (Scopus)

Taming the temperamental metal transformation

James, R. D., May 29 2015, In : Science. 348, 6238, p. 968-969 2 p.

Research output: Contribution to journalArticle

metal
2014
7 Citations (Scopus)

9 T high magnetic field annealing effects on FeN bulk sample

Jiang, Y., Dabade, V., Brady, M. P., Rios, O., James, R. D. & Wang, J., May 7 2014, In : Journal of Applied Physics. 115, 17, 17A758.

Research output: Contribution to journalArticle

rods
annealing
magnetic fields
coercivity
phase transformations
7 Citations (Scopus)

Microstructural dependence on middle eigenvalue in TiNiAu

Shi, H., Delville, R., Srivastava, V., James, R. D. & Schryvers, D., Jan 1 2014, In : Journal of Alloys and Compounds. 582, p. 703-707 5 p.

Research output: Contribution to journalArticle

Martensite
Gold Compounds
Microstructure
Lamellar structures
Austenite
20 Citations (Scopus)

Tight-binding theory of graphene bending

Nikiforov, I., Dontsova, E., James, R. D. & Dumitrica, T., Apr 30 2014, In : Physical Review B - Condensed Matter and Materials Physics. 89, 15, 155437.

Research output: Contribution to journalArticle

Graphite
Graphene
graphene
Molecular orbitals
Single-walled carbon nanotubes (SWCN)
2013
130 Citations (Scopus)

Enhanced reversibility and unusual microstructure of a phase-transforming material

Song, Y., Chen, X., Dabade, V., Shield, T. W. & James, R. D., Oct 21 2013, In : Nature. 502, 7469, p. 85-88 4 p.

Research output: Contribution to journalArticle

Temperature
Hot Temperature
Equipment and Supplies
Martensite
14 Citations (Scopus)

Ferromagnetic shape memory flapper for remotely actuated propulsion systems

Kanner, O. Y., Shilo, D., Sheng, J., James, R. D. & Ganor, Y., Aug 1 2013, In : Smart Materials and Structures. 22, 8, 085030.

Research output: Contribution to journalArticle

propulsion
Shape memory effect
Propulsion
Reynolds number
Magnetic fields
44 Citations (Scopus)

Study of the cofactor conditions: Conditions of supercompatibility between phases

Chen, X., Srivastava, V., Dabade, V. & James, R. D., Jan 1 2013, In : Journal of the Mechanics and Physics of Solids. 61, 12, p. 2566-2587 22 p.

Research output: Contribution to journalArticle

Martensite
Austenite
martensite
transition layers
Tensors
23 Citations (Scopus)

Thermodynamics of energy conversion via first order phase transformation in low hysteresis magnetic materials

Song, Y., Bhatti, K. P., Srivastava, V., Leighton, C. & James, R. D., Jan 1 2013, In : Energy and Environmental Science. 6, 4, p. 1315-1327 13 p.

Research output: Contribution to journalArticle

Magnetic materials
hysteresis
Energy conversion
Hysteresis
thermodynamics
2012

3D microstructures of Sb2Te3 precipitates in PbTe matrix with prediction by a weak compatibility condition

Chen, X., Cao, S., Ikeda, T., Srivastava, V., Snyder, G. J., Schryvers, D. & James, R. D., Dec 1 2012, 1st International Conference on 3D Materials Science 2012, 3DMS 2012. p. 125-130 6 p. (1st International Conference on 3D Materials Science 2012, 3DMS 2012).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Precipitates
Microstructure
Cones
Elongation
Analog to digital conversion
6 Citations (Scopus)

Design of viscometers corresponding to a universal molecular simulation method

Dayal, K. & James, R. D., Jan 25 2012, In : Journal of Fluid Mechanics. 691, p. 461-486 26 p.

Research output: Contribution to journalArticle

viscometers
Viscometers
Conceptual design
Fluids
simulation

Energy conversion by multiferroic phase transformation

Song, Y., Srivastavay, V., Bhatti, K., Leighton, C. & James, R. D., Dec 1 2012, 10th Annual International Energy Conversion Engineering Conference, IECEC 2012.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Energy conversion
Electricity
Phase transitions
Martensite
Austenite
7 Citations (Scopus)

Objective quasicontinuum approach for rod problems

Hakobyan, Y., Tadmor, E. B. & James, R. D., Dec 28 2012, In : Physical Review B - Condensed Matter and Materials Physics. 86, 24, 245435.

Research output: Contribution to journalArticle

rods
Atoms
atoms
contraction
Single crystals
41 Citations (Scopus)
Neutron scattering
phase transformations
Magnetization
inhomogeneity
neutron scattering
2011
9 Citations (Scopus)

A weak compatibility condition for precipitation with application to the microstructure of PbTe-Sb2Te3 thermoelectrics

Chen, X., Cao, S., Ikeda, T., Srivastava, V., Jeffrey Snyder, G., Schryvers, D. & James, R. D., Sep 1 2011, In : Acta Materialia. 59, 15, p. 6124-6132 9 p.

Research output: Contribution to journalArticle

Precipitates
Microstructure
Interfacial energy
Cones
Focused ion beams
7 Citations (Scopus)

Martensite transformation of epitaxial Ni-Ti films

Buschbeck, J., Kawasaki, J. K., Kozhanov, A., James, R. D. & Palmstrom, C., May 9 2011, In : Applied Physics Letters. 98, 19, 191901.

Research output: Contribution to journalArticle

martensite
phase transformations
shape memory alloys
x ray diffraction
molecular beam epitaxy
3 Citations (Scopus)

Special microstructures and twin features in Ti50Ni 50-X(Pd,Au)X at small hysteresis

Delville, R., Shi, H., James, R. D. & Schryvers, D., Jan 1 2011, Solid-Solid Phase Transformations in Inorganic Materials. Trans Tech Publications Ltd, p. 105-110 6 p. (Solid State Phenomena; vol. 172-174).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Martensite
compatibility
Hysteresis
martensite
hysteresis
90 Citations (Scopus)

The direct conversion of heat to electricity using multiferroic alloys

Srivastava, V., Song, Y., Bhatti, K. & James, R. D., Jan 1 2011, In : Advanced Energy Materials. 1, 1, p. 97-104 8 p.

Research output: Contribution to journalArticle

Electricity
Hysteresis
Phase transitions
Heating
Magnetic moments
2010
107 Citations (Scopus)

Hysteresis and unusual magnetic properties in the singular Heusler alloy Ni45 Co5 Mn40 Sn10

Srivastava, V., Chen, X. & James, R. D., Jul 5 2010, In : Applied Physics Letters. 97, 1, 014101.

Research output: Contribution to journalArticle

hysteresis
magnetic properties
magnetization
energy conversion
austenite
160 Citations (Scopus)

Identification of quaternary shape memory alloys with near-zero thermal hysteresis and unprecedented functional stability

Zarnetta, R., Takahashi, R., Young, M. L., Savan, A., Furuya, Y., Thienhaus, S., Maaß, B., Rahim, M., Frenzel, J., Brunken, H., Chu, Y. S., Srivastava, V., James, R. D., Takeuchi, I., Eggeler, G. & Ludwig, A., Jun 23 2010, In : Advanced Functional Materials. 20, 12, p. 1917-1923 7 p.

Research output: Contribution to journalArticle

quaternary alloys
shape memory alloys
Shape memory effect
Hysteresis
hysteresis
18 Citations (Scopus)

Nonequilibrium molecular dynamics for bulk materials and nanostructures

Dayal, K. & James, R. D., Feb 1 2010, In : Journal of the Mechanics and Physics of Solids. 58, 2, p. 145-163 19 p.

Research output: Contribution to journalArticle

Molecular dynamics
Nanostructures
molecular dynamics
Strain rate
strain rate
72 Citations (Scopus)

Transmission electron microscopy study of phase compatibility in low hysteresis shape memory alloys

Delville, R., Kasinathan, S., Zhang, Z., Humbeeck, J. V., James, R. D. & Schryvers, D., Jan 1 2010, In : Philosophical Magazine. 90, 1-4, p. 177-195 19 p.

Research output: Contribution to journalArticle

shape memory alloys
Shape memory effect
compatibility
Hysteresis
hysteresis
44 Citations (Scopus)

Wavelike rippling in multiwalled carbon nanotubes under pure bending

Nikiforov, I. A., Zhang, D. B., James, R. D. & Dumitric̀, T., Apr 7 2010, In : Applied Physics Letters. 96, 12, 123107.

Research output: Contribution to journalArticle

carbon nanotubes
tubes
elastic bending
stiffness
molecular dynamics
2009
29 Citations (Scopus)

Dislocation onset and nearly axial glide in carbon nanotubes under torsion

Zhang, D. B., James, R. D. & Dumitrič, T., Feb 27 2009, In : Journal of Chemical Physics. 130, 7, 071101.

Research output: Contribution to journalArticle

Carbon Nanotubes
plastic properties
Torsional stress
torsion
Plasticity
42 Citations (Scopus)
Carbon Nanotubes
Torsional stress
torsion
Molecular dynamics
Carbon nanotubes
126 Citations (Scopus)

Energy barriers and hysteresis in martensitic phase transformations

Zhang, Z., James, R. D. & Müller, S., Sep 1 2009, In : Acta Materialia. 57, 15, p. 4332-4352 21 p.

Research output: Contribution to journalArticle

Energy barriers
Hysteresis
Phase transitions
Chemical analysis
Martensite
22 Citations (Scopus)

Ferromagnetic shape memory flapper

Ganor, Y., Shilo, D., Zarrouati, N. & James, R. D., Mar 25 2009, In : Sensors and Actuators, A: Physical. 150, 2, p. 277-279 3 p.

Research output: Contribution to journalLetter

propulsion
Shape memory effect
Propulsion
Magnetic fields
shear