Zobrazeno 1 - 10
of 231
pro vyhledávání: '"Alp, E. E."'
Autor:
Huyan, S., Ryan, D. H., Slade, T. J., Lavina, B., Jose, G. C., Wang, H., Wilde, J. M., Ribeiro, R. A., Zhao, J., Xie, W., Bi, W., Alp, E. E., Bud'ko, S. L., Canfield, P. C.
Publikováno v:
Proc. Natl. Acad. Sci. 120 (52) e2310779120 (2023)
We present a comprehensive study of the mixed valent compound, EuPd3S4, by electrical transport, X-ray diffraction, time-domain 151Eu synchrotron M\"ossbauer spectroscopy, and X-ray absorption spectroscopy measurements under high pressure. The electr
Externí odkaz:
http://arxiv.org/abs/2306.16517
Autor:
Ajeesh, M. O., Materne, P., Reis, R. D. dos, Weber, K., Dengre, S., Sarkar, R., Khasanov, R., Kraft, I., León, A. M., Bi, W., Zhao, J., Alp, E. E., Medvedev, S., Ksenofontov, V., Rosner, H., Klauss, H. -H., Geibel, C., Nicklas, M.
Publikováno v:
Phys. Rev. B 107, 125136 (2023)
LuFe$_4$Ge$_2$ crystallizes in the ZrFe$_4$Si$_2$-type structure, hosting chains of Fe-tetrahedra giving rise to geometric frustration and low-dimensionality. The compound orders antiferromagnetically at around 36 K accompanied by a simultaneous stru
Externí odkaz:
http://arxiv.org/abs/2301.04596
Akademický článek
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Akademický článek
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Autor:
Gruner, M. E., Keune, W., Landers, J., Salamon, S., Krautz, M., Zhao, J., Hu, M. Y., Toellner, T., Alp, E. E., Gutfleisch, O., Wende, H.
We investigate the origin of the volume change and magnetoelastic interaction observed at the magnetic first-order transition in the magnetocaloric system La(Fe$_{1-x}$Si$_x$)$_{13}$ by means of first-principles calculations combined with the fixed-s
Externí odkaz:
http://arxiv.org/abs/1708.08304
Autor:
Kothapalli, K., Böhmer, A. E., Jayasekara, W. T., Ueland, B. G., Das, P., Sapkota, A., Taufour, V., Xiao, Y., Alp, E. E., Bud'ko, S. L., Canfield, P. C., Kreyssig, A., Goldman, A. I.
A hallmark of the iron-based superconductors is the strong coupling between magnetic, structural and electronic degrees of freedom. However, a universal picture of the normal state properties of these compounds has been confounded by recent investiga
Externí odkaz:
http://arxiv.org/abs/1603.04135
Autor:
Gruner, M. E., Keune, W., Cuenya, B. Roldan, Weis, C., Landers, J., Makarov, S. I., Klar, D., Hu, M. Y., Alp, E. E., Zhao, J., Krautz, M., Gutfleisch, O., Wende, H.
Publikováno v:
Phys. Rev. Lett. 114, 057202 (2015)
By combination of two independent approaches, nuclear resonant inelastic X-ray scattering and first-principles calculations in the framework of density functional theory, we determine the element-resolved vibrational density of states in the ferromag
Externí odkaz:
http://arxiv.org/abs/1408.4009
Autor:
Dauphas, N., Roskosz, M., Alp, E. E., Golden, D. C., Sio, C. K., Tissot, F. L. H., Hu, M., Zhao, J., Gao, L., Morris, R. V.
We measured the reduced partition function ratios for iron isotopes in goethite FeO(OH), potassium-jarosite KFe3(SO4)2(OH)6, and hydronium-jarosite (H3O)Fe3(SO4)2(OH)6, by Nuclear Resonant Inelastic X-Ray Scattering (NRIXS, also known as Nuclear Reso
Externí odkaz:
http://arxiv.org/abs/1207.5559
Autor:
Hahn, S. E., Tucker, G. S., Yan, J. -Q., Said, A. H., Leu, B. M., McCallum, R. W., Alp, E. E., Lograsso, T. A., McQueeney, R. J., Harmon, B. N.
Publikováno v:
Phys. Rev. B 87, 104518 (2013)
The phonon dispersion was measured at room temperature along (0,0,L) in the tetragonal phase of LaFeAsO using inelastic x-ray scattering. Spin-polarized first-principles calculations imposing various types of antiferromagnetic order are in better agr
Externí odkaz:
http://arxiv.org/abs/1206.1096
Autor:
Souza-Neto, N. M., Zhao, J., Alp, E. E., Shen, G., Sinogeikin, S. V., Lapertot, G., Haskel, D.
The pressure-dependent relation between Eu valence and lattice structure in model compound EuO is studied with synchrotron-based x-ray spectroscopic and diffraction techniques. Contrary to expectation, a 7% volume collapse at $\approx$ 45 GPa is acco
Externí odkaz:
http://arxiv.org/abs/1204.3003