Zobrazeno 1 - 9
of 9
pro vyhledávání: '"L. V. Bau"'
Publikováno v:
Metallurgical and Materials Transactions A. 51:1924-1932
In this work, critical behavior, and magnetocaloric effect, as well as the relationship between these characteristics in polycrystalline sample La0.7Ba0.3Mn0.8Ti0.2O3 has been studied in detail. The positive value of the slope of Arrott plots exhibit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d7786e509dcc11cd47739b7a23eeb1a
https://doi.org/10.1007/s11661-020-05662-y
https://doi.org/10.1007/s11661-020-05662-y
Publikováno v:
Metallurgical and Materials Transactions A. 49:385-394
This paper presents a detailed study on the structural, magnetic, and critical behavior and magnetocaloric effect of La0.7Sr0.3Mn0.94Cu0.06O3 prepared by solid-state reaction method. X-ray diffraction patterns indicate that Cu-doped manganite crystal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f8cb6f1faa789aac7439b7f29a89783b
https://doi.org/10.1007/s11661-017-4414-1
https://doi.org/10.1007/s11661-017-4414-1
Publikováno v:
Journal of Electroceramics. 36:58-64
In this paper, we report the effect of Pb doping on the magnetic and magnetocaloric properties of La0.7Ca0.3-x Pb x MnO3 (0.15 ≤ x ≤ 0.3) polycrystalline samples. The samples were prepared by solid state synthesis method. X-ray diffraction patter
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c72948f50ca61ec31a60acfd6adffffd
https://doi.org/10.1007/s10832-016-0026-1
https://doi.org/10.1007/s10832-016-0026-1
Publikováno v:
Materials Sciences and Applications. :857-862
The La5/8Ca3/8Mn0.9750Pd0.025O3 compound was studied using DC magnetization measurements. The data were analyzed in the paramagnetic-ferromagnetic phase transition region by the Arrott plot method. The results show the Curie temperature TC ~ 247.8 K
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a1ea043fb534ba3937117e5adf053966
https://doi.org/10.4236/msa.2014.512086
https://doi.org/10.4236/msa.2014.512086
Publikováno v:
Journal of Electroceramics. 31:364-371
In this study, we report the electric transport of La0.7Ca0.3MnO3 prepared by various methods. Based on the fact that the metallic ferromagnetic and insulating paramagnetic clusters simultaneously exist at transition temperature, we applied phase-coe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::54a9a565f0ee11eaa554d24e73789557
https://doi.org/10.1007/s10832-013-9853-5
https://doi.org/10.1007/s10832-013-9853-5
Publikováno v:
Journal of the Korean Physical Society. 52:1518-1521
La0:7Sr0:3Mn0:8Ti0:2O3 compounds were studied by using dc magnetization measurements. The magnetic data analyzed in the paramagnetic-ferromagnetic phase transition region by using the Arrott plot method gave values of TC 150:1 K for the Curie tempera
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ac0a57a14fe3f9e044888104f44896e5
https://doi.org/10.3938/jkps.52.1518
https://doi.org/10.3938/jkps.52.1518
Publikováno v:
physica status solidi (b). 244:4570-4573
Magnetic entropy change in and above the room-temperature region has been measured for La 0.7 Sr 0.3 Mn 1-x M x O 3 (M = Al, Ti) by means of magnetization measurements in magnetic fields up to 6 T. The magnetocaloric effect (MCE) becomes strongest at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17c321972a9f608229dd3dac95cb30fe
https://doi.org/10.1002/pssb.200777362
https://doi.org/10.1002/pssb.200777362
Autor:
L. V. Bau, D. N. H. Nam, Per Nordblad, Gilles André, Françoise Bourée, N. X. Phuc, Roland Tellgren, Roland Mathieu, N. V. Khiem, M. Tseggai
Publikováno v:
Journal of Solid State Chemistry. 177:966-971
Magnesium substitution in Nd0.7Sr0.3MnO3 has been studied by neutron powder diffraction. Polycrystalline samples of nominal compositions Nd0.7Sr0.3Mn1−yMgyO3 with y=0.0, 0.1, 0.2 and 0.3 were synthesized by the standard solid-state reaction method.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5b665d65f018e378ffe5f9164f464fc4
https://doi.org/10.1016/j.jssc.2003.09.044
https://doi.org/10.1016/j.jssc.2003.09.044
Autor:
L. V. Hong, N. X. Phuc, N. V. Khiem, N. V. Dai, R. S. Newrock, L. V. Bau, D. N. H. Nam, Per Nordblad
Publikováno v:
Physical Review B. 73
The magnetic lattice of mixed-valence Mn ions in ${\mathrm{La}}_{0.7}{\mathrm{Sr}}_{0.3}\mathrm{Mn}{\mathrm{O}}_{3}$ is selectively diluted by the partial substitution of Mn by Al or Ti. The ferromagnetic-paramagnetic transition temperature ${T}_{\ma
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cccebec834b4f5b821d2847019de1323
https://doi.org/10.1103/physrevb.73.184430
https://doi.org/10.1103/physrevb.73.184430