Search Results - "Samolyuk, G. D"

Role of Static Displacements in Stabilizing Body Centered Cubic High Entropy Alloys by Samolyuk, G D, Osetsky, Y N, Stocks, G M, Morris, J R

“…The configurational entropy of high entropy alloys (HEAs) plays little role in the stabilization of one particular crystal structure over another. We show that…”
Get full text

Tailoring the physical properties of Ni-based single-phase equiatomic alloys by modifying the chemical complexity by Jin, K., Sales, B. C., Stocks, G. M., Samolyuk, G. D., Daene, M., Weber, W. J., Zhang, Y., Bei, H.

“…Equiatomic alloys (e.g. high entropy alloys) have recently attracted considerable interest due to their exceptional properties, which might be closely related…”
Get full text

The influence of transition metal solutes on the dislocation core structure and values of the Peierls stress and barrier in tungsten by Samolyuk, G D, Osetsky, Y N, Stoller, R E

“…Several transition metals were examined to evaluate their potential for improving the ductility of tungsten. The dislocation core structure and Peierls stress…”
Get more information

Impact of Short-Range Forces on Defect Production from High-Energy Collisions by Stoller, R. E, Tamm, A, Béland, L. K, Samolyuk, G. D, Stocks, G. M, Caro, A, Slipchenko, L. V, Osetsky, Yu. N, Aabloo, A, Klintenberg, M, Wang, Y

“…Primary radiation damage formation in solid materials typically involves collisions between atoms that have up to a few hundred keV of kinetic energy. During…”
Get full text

Anisotropic three-dimensional magnetism in CaFe2As2 by McQueeney, R J, Diallo, S O, Antropov, V P, Samolyuk, G D, Broholm, C, Ni, N, Nandi, S, Yethiraj, M, Zarestky, J L, Pulikkotil, J J, Kreyssig, A, Lumsden, M D, Harmon, B N, Canfield, P C, Goldman, A I

“…Inelastic neutron scattering measurements of the magnetic excitations in CaFe2As2 indicate that the spin wave velocity in the Fe layers is exceptionally large…”
Get full text

Role of disorder in Mn:GaAs, Cr:GaAs, and Cr:GaN by XU, J. L, VAN SCHILFGAARDE, M, SAMOLYUK, G. D

“…We present calculations of magnetic exchange interactions and critical temperature T(c) in Ga1-xMnxAs, Ga1-xCrxAs, and Ga1-xCrxN. The local spin-density…”
Get full text

Self-interstitial configurations in hcp Zr: a first principles analysis by Samolyuk, G.D., Golubov, S.I., Osetsky, Y.N., Stoller, R.E.

“…The alignment of vacancy loops and voids along basal planes observed in irradiated Zr and Zr alloys requires anisotropic point-defect transport with a dominant…”
Get full text

Molecular dynamics study of influence of vacancy types defects on thermal conductivity of β-SiC by Samolyuk, G.D., Golubov, S.I., Osetsky, Y.N., Stoller, R.E.

“…► Green–Kubo MD method was used to study thermal conductivity in Si and β-SiC. ► The impact of defects on thermal conductivity was determined for both Si and…”
Get full text

Analysis of the anisotropy of point defect diffusion in hcp Zr by Samolyuk, G.D., Barashev, A.V., Golubov, S.I., Osetsky, Y.N., Stoller, R.E.

“…A combination of density functional theory (DFT), kinetic Monte Carlo and mean-field rate theory is applied to analyze point defect migration and its effect on…”
Get full text

Lattice thermal conductivity of multi-component alloys by Caro, M., Béland, L.K., Samolyuk, G.D., Stoller, R.E., Caro, A.

“…High entropy alloys (HEA) have unique properties including the potential to be radiation tolerant. These materials with extreme disorder could resist damage…”
Get full text

K-doping dependence of the Fermi surface of the iron-arsenic Ba1-xKxFe2As2 superconductor using angle-resolved photoemission spectroscopy by Liu, Chang, Samolyuk, G D, Lee, Y, Ni, Ni, Kondo, Takeshi, Santander-Syro, A F, Bud'ko, S L, McChesney, J L, Rotenberg, E, Valla, T, Fedorov, A V, Canfield, P C, Harmon, B N, Kaminski, A

“…We use angle-resolved photoemission spectroscopy to investigate the electronic properties of the newly discovered iron-arsenic superconductor…”
Get full text

Adequacy of damped dynamics to represent the electron-phonon interaction in solids by Caro, A., Correa, A. A., Tamm, A., Samolyuk, G. D., Stocks, G. M.

“…In time-dependent density functional theory and Ehrenfest dynamics are used to calculate the electronic excitations produced by a moving Ni ion in a Ni crystal…”
Get full text

Myriad of correlated electron effects found in the RT2Zn20 family by CANFIELD, P. C, JIA, S, MUN, E. D, BUD'KO, S. L, SAMOLYUK, G. D, TORIKACHVILI, M. S

“…The dilute, rare earth bearing family of RT2Zn20 (R = rare earth, T = transition metal) intermetallic compounds can be tuned to a nearly ferromagnetic Fermi…”
Get full text

Molecular dynamics modeling of atomic displacement cascades in 3C–SiC: Comparison of interatomic potentials by Samolyuk, G.D., Osetsky, Y.N., Stoller, R.E.

“…We used molecular dynamics modeling of atomic displacement cascades to characterize the nature of primary radiation damage in 3C–SiC. We demonstrated that the…”
Get full text

Unconventional London penetration depth in single-crystal Ba(Fe0.93Co0.07)2As2 superconductors by Gordon, R T, Ni, N, Martin, C, Tanatar, M A, Vannette, M D, Kim, H, Samolyuk, G D, Schmalian, J, Nandi, S, Kreyssig, A, Goldman, A I, Yan, J Q, Bud'ko, S L, Canfield, P C, Prozorov, R

“…The London penetration depth lambda(T) has been measured in single crystals of Ba(Fe0.93Co0.07)2As2. The observed low-temperature variation of lambda(T)…”
Get full text

Anisotropy of the magnetoresistance in Gd5Si2Ge2 by TANG, H, PECHARSKY, V. K, SAMOLYUK, G. D, ZOU, M, GSCHNEIDNER, K. A, ANTROPOV, V. P, SCHLAGEL, D. L, LOGRASSO, T. A

“…The observed magnetoresistance of single crystalline Gd5Si2Ge2 is negative and strongly anisotropic. The absolute values measured along the [100] and [010]…”
Get full text

Nearly ferromagnetic Fermi-liquid behaviour in YFe 2 Zn 20 and high-temperature ferromagnetism of GdFe 2 Zn 20 by Canfield, P. C, Jia, S, Bud'ko, S. L, Samolyuk, G. D

“…One of the historic goals of alchemy was to turn base elements into precious ones. Although the practice of alchemy has been superseded by chemistry and…”
Get full text

Equilibrium distribution of point defects in Fe-Y-O as a typical representative of nanocluster-strengthened alloys by Samolyuk, G.D., Osetsky, Y.N.

“…The statistical mechanic approach [1, 2] has been used to estimate the equilibrium defect distribution in a multiphase system by minimizing its free energy…”
Get full text

Three- to two-dimensional transition of the electronic structure in CaFe2As2: a parent compound for an iron arsenic high-temperature superconductor by Liu, Chang, Kondo, Takeshi, Ni, Ni, Palczewski, A D, Bostwick, A, Samolyuk, G D, Khasanov, R, Shi, M, Rotenberg, E, Bud'ko, S L, Canfield, P C, Kaminski, A

“…We use angle-resolved photoemission spectroscopy (ARPES) to study the electronic properties of CaFe2As2-parent compound of a pnictide superconductor. We find…”
Get full text

Quantum oscillations of nitrogen atoms in uranium nitride by Aczel, A.A., Granroth, G.E., MacDougall, G.J., Buyers, W.J.L., Abernathy, D.L., Samolyuk, G.D., Stocks, G.M., Nagler, S.E.

“…The vibrational excitations of crystalline solids corresponding to acoustic or optic one-phonon modes appear as sharp features in measurements such as neutron…”
Get full text