Electron, spin-wave, hyperfine, and phonon contributions to the low-temperature specific heat ofLa0.65Ca0.35MnO3: Effects of magnetic fields and16O/18Oexchange

2001 ◽  
Vol 64 (13) ◽  
Author(s):  
R. A. Fisher ◽  
F. Bouquet ◽  
N. E. Phillips ◽  
J. P. Franck ◽  
Guanwen Zhang ◽  
...  
Keyword(s):  
Low Temperature ◽  
Magnetic Fields ◽  
Specific Heat ◽  
Spin Wave ◽  
Electron Spin ◽  
Low Temperature Specific Heat

Nodal gap behavior of Bi2Sr2−xLnxCuO6+δ (Ln = La, Eu) investigated by specific heat measurements

2015 ◽  
Vol 29 (25n26) ◽  
pp. 1542014 ◽  
Author(s):  
M. Shimizu ◽  
Y. Moriya ◽  
S. Baar ◽  
N. Momono ◽  
Y. Amakai ◽  
...  
Keyword(s):  
Low Temperature ◽  
Magnetic Fields ◽  
Fermi Surface ◽  
Specific Heat ◽  
Excitation Spectrum ◽  
Cuprate Superconductors ◽  
Electronic Excitation ◽  
Linear Term ◽  
Electronic Specific Heat ◽  
Low Temperature Specific Heat

We performed low-temperature specific heat measurements on slightly underdoped samples of monolayer cuprate superconductors [Formula: see text] (Ln = La, Eu, Ln-Bi2201) under magnetic fields [Formula: see text]. In La-Bi2201, the coefficient [Formula: see text] of [Formula: see text]-linear term in the electronic specific heat [Formula: see text] at [Formula: see text] shows [Formula: see text] dependence, as expected in [Formula: see text] -wave superconductors. In Eu-Bi2201, [Formula: see text] shows almost the same [Formula: see text] dependence as that of La-Bi2201 below [Formula: see text] T, while [Formula: see text] is suppressed above [Formula: see text] T and deviates downward from the [Formula: see text] curve of La-Bi2201. This result suggests the the gap and the electronic excitation spectrum near nodes are modified in Eu-Bi2201 except the region of the Fermi surface in the immediate vicinity of nodes.

Low-temperature specific heat ofBaCuO2andBaCuO2.14in magnetic fields to 7 T

2000 ◽  
Vol 61 (1) ◽  
pp. 538-548 ◽  
Author(s):  
R. A. Fisher ◽  
D. A. Wright ◽  
J. P. Emerson ◽  
B. F. Woodfield ◽  
N. E. Phillips ◽  
...  
Keyword(s):  
Low Temperature ◽  
Magnetic Fields ◽  
Specific Heat ◽  
Low Temperature Specific Heat

Low-temperature specific heat of antiferromagneticEuNi5P3and mixed-valentEuNi2P2in magnetic fields to 7 T

1995 ◽  
Vol 52 (18) ◽  
pp. 13519-13525 ◽  
Author(s):  
R. A. Fisher ◽  
P. Radhakrishna ◽  
N. E. Phillips ◽  
J. V. Badding ◽  
A. M. Stacy
Keyword(s):  
Low Temperature ◽  
Magnetic Fields ◽  
Specific Heat ◽  
Low Temperature Specific Heat

Low-temperature specific heat of the 123, 124 and 247 phases of Y-Ba-Cu-O in magnetic fields up to 14 Tesla

1992 ◽  
Vol 200 (1-2) ◽  
pp. 1-11 ◽  
Author(s):  
D. Sanchez ◽  
A. Junod ◽  
J.-Y. Genoud ◽  
T. Graf ◽  
J. Muller
Keyword(s):  
Low Temperature ◽  
Magnetic Fields ◽  
Specific Heat ◽  
Low Temperature Specific Heat
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