Zobrazeno 1 - 10
of 48
pro vyhledávání: '"T. M. Pekarek"'
Publikováno v:
AIP Advances, Vol 14, Iss 2, Pp 025035-025035-5 (2024)
Single-crystalline Ga1−xMnxS is a quasi-two-dimensional system that exhibits an anomalous spin-glass transition temperature compared with the other well-known spin-glass systems. In contrast to the other known spin-glasses that all have three-dimen
Externí odkaz:
https://doaj.org/article/1831b114502e4147978ac777c5ff3278
Autor:
T. M. Pekarek, K. Taylor, J. A. Payne, C. T. Bryant, R. Marquez Tavera, D. T. Brown, M. P. Warusawithana
Publikováno v:
AIP Advances, Vol 13, Iss 2, Pp 025025-025025-5 (2023)
We have investigated the electronic and magnetic ground state of La1−xSrxMnO3 thin films, especially around doping x = 0.50 in comparison to the well studied system of x = 0.33 and the low doped system of x = 0.04. The films discussed here were gro
Externí odkaz:
https://doaj.org/article/968ba629df2d467c9175eb1d7257d32f
Publikováno v:
AIP Advances, Vol 6, Iss 5, Pp 056222-056222-6 (2016)
Magnetic properties of single crystalline Ga1−xFexTe (x = 0.05) have been measured. GaTe and related layered III-VI semiconductors exhibit a rich collection of important properties for THz generation and detection. The magnetization versus field fo
Externí odkaz:
https://doaj.org/article/d651ff88e02d4cda89ccbf9bba0c5954
Enhancement of the spin-glass transition temperature through pd -orbital hybridization in Zn1−xMnxTe
Autor:
I. Miotkowski, A. K. Ramdas, Jason T. Haraldsen, A. R. Alcantara, S. Barrett, T. M. Pekarek, D. Matev
Publikováno v:
Physical Review B. 104
To gain insight into the spin-glass state of diluted magnetic semiconductors, we have examined the magnetic and electronic properties of ${\mathrm{Zn}}_{1\ensuremath{-}x}{\mathrm{Mn}}_{x}\mathrm{Te}$ using density-functional theory as well as perform
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::10d4284fa258eca7096bca6d9a810530
https://doi.org/10.1103/physrevb.104.104423
https://doi.org/10.1103/physrevb.104.104423
Publikováno v:
Materials Research Express. 9:016101
We have investigated the collective electronic and magnetic orderings of a series of La1−x Sr x MnO3 thin films grown epitaxially strained to (001) oriented strontium titanate substrates as a function of doping, x, for 0 ≤ x ≤ 0.4. We find that
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a92183692b0109e7b9339c5d49d01ea
https://doi.org/10.1088/2053-1591/ac4762
https://doi.org/10.1088/2053-1591/ac4762
Publikováno v:
Physical Review B. 98
We report on the magnetic and electronic properties of single-crystalline ${\mathrm{Ga}}_{0.91}{\mathrm{Mn}}_{0.09}\mathrm{S}$, which is a quasi-two-dimensional diluted magnetic semiconductor (DMS). Through an analysis of magnetization data, we show
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::779a6b445844f52fe3dde63f7687dfdd
https://doi.org/10.1103/physrevb.98.155206
https://doi.org/10.1103/physrevb.98.155206
Autor:
J. Goertzen, Andrew Meyer, Matthew J. Kramer, T. M. Pekarek, Geoffrey Rojas, David Schmitter, Paul Shand, Diandra Leslie-Pelecky, Jeffrey E. Shield
Publikováno v:
Journal of Alloys and Compounds. 509:3000-3005
X-ray diffraction and transmission electron microscopy measurements of melt-spun Gd100−xFex (0 ≤ x ≤ 40) and inert-gas condensed/compacted samples (3.8 ≤ x ≤ 12.7) reveal a structure of crystalline hcp-Gd grains surrounded by a non-crystall
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f9a5479917110d6cd4816e3c5f601a3
https://doi.org/10.1016/j.jallcom.2010.11.185
https://doi.org/10.1016/j.jallcom.2010.11.185
Autor:
Thomas N. Jackson, T. Rizk, P. Chin, Jerry M. Woodall, David T. McInturff, Philip F. Bagwell, T. M. Pekarek, W.I. Yoo, A. Yulius
Publikováno v:
Superlattices and Microstructures. 25:757-766
We have formed superconducting contacts in which Cooper pairs incident from a thick In layer must move through a thin Nb layer to reach a semiconductor, either InAs or low temperature grown (LTG) GaAs. The effect of pair tunneling through the Nb laye
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::395daf2b43a1c32e384053351c0e3ac7
https://doi.org/10.1006/spmi.1999.0757
https://doi.org/10.1006/spmi.1999.0757
Autor:
L. S. Martinson, Andrew D. Christianson, Paul Shand, T. M. Pekarek, I. Miotkowski, J. W. Schweitzer, B. C. Crooker
Publikováno v:
Physical Review B. 58:12876-12882
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8a4afa6453582a4e2d1f066c6eb8109
https://doi.org/10.1103/physrevb.58.12876
https://doi.org/10.1103/physrevb.58.12876
Publikováno v:
Materials Research Bulletin. 32:1435-1440
A method is described for growth of single crystals of NiSe2 from the elements. The crystals are approximately 5 mm on an edge and free of secondary phases or pores if care is taken in compositional control, in repetitive regrindings, and in slowly r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8276038b8b7a62466593bd491018b3f
https://doi.org/10.1016/s0025-5408(97)00125-6
https://doi.org/10.1016/s0025-5408(97)00125-6