J. C. Lasjaunias

Publication List Details

Period

1980 - 2007

Number

32

Co-Authors

Equilibrium Low Temperature Heat Capacity of the Spin Density Wave compound (TMTTF)2 Br: effect of a Magnetic Field (2007)

Sahling, S., Lasjaunias, J. C., Mélin, R., Monceau, P., Reményi, G.

We have investigated the effect of the magnetic field (B) on the very low-temperature equilibrium heat capacity ceq of the quasi-1 D organic compound (TMTTF)2Br, characterized by a commensurate Spin...

Low-energy vibrational excitations of Mo6S3I6 nanowires revealed by low-temperature specific heat (2007)

Lasjaunias, J C, Sulpice, A, Biljakovic, K, Vengust, D, Mihailovic, D

We report on measurements of the low-temperature heat capacity of Mo6S3I6 nanowire-network samples in the form of a pressed pellet under different conditions of annealing. In the temperature (T)...

Interplay between phase defects and spin polarization in the specific heat of the spin density wave compound (TMTTF)_2Br in a magnetic field (2006)

Mélin, R., Lasjaunias, J. C., Sahling, S., Remenyi, G., Biljakovic, K.

Equilibrium heat relaxation experiments provide evidence that the ground state of the commensurate spin density wave (SDW) compound (TMTTF)$_2$Br after the application of a sufficient magnetic field...

Recent results on energy relaxation in disordered charge and spin density waves (2005)

Mélin, R., Biljakovic, K., Lasjaunias, J. C., Monceau, P.

We briefly review different approaches used recently to describe collective effects in the strong pinning model of disordered charge and spin density waves, in connection with the CRTBT very low...

Energy relaxation in disordered charge and spin density waves (2004)

Mélin, R., Biljakovic, K., Lasjaunias, J. C.

We investigate collective effects in the strong pinning model of disordered charge and spin density waves (CDWs and SDWs) in connection with heat relaxation experiments. We discuss the classical and...

Evidence of 1D behaviour of He$^4$ confined within carbon-nanotube bundles (2003)

Lasjaunias, J. C., Biljakovic, K., Sauvajol, J. L., Monceau, P.

We present the first low-temperature thermodynamic investigation of the controlled physisorption of He$^{4}$ gas in carbon single-wall nanotube (SWNT) samples. The vibrational specific heat measured...

Low-energy vibrational excitations in carbon nanotubes studied by heat capacity (2003)

Lasjaunias, J C, Biljakovic, K, Monceau, P, Sauvajol, J L

We present low-temperature heat capacity measurements performed on two different kinds of single-walled carbon nanotube bundles which essentially differ in their mean number of tubes (NT) per bundle....

Fractional power-law susceptibility and specific heat in low temperature insulating state of o-TaS_{3} (2002)

Biljakovic, K., Miljak, M., Staresinic, D., Lasjaunias, J. C., Monceau, P., Berger, H., ...

Measurements of the magnetic susceptibility and its anisotropy in the quasi-one-dimensional system o-TaS_{3} in its low-T charge density wave (CDW) ground state are reported. Both sets of data reveal...

Acoustic and thermal transport properties of hard carbon formed from C60 fullerene (2002)

Lasjaunias, J. C., Saint-Paul, M., Bilusic, A., Smontara, A., Gradecak, S., Tonejc, A. M., ...

We report on extended investigation of the thermal transport and acoustical properties on hard carbon samples obtained by pressurization of C60 fullerene. Structural investigations performed by...

Slow relaxation experiments in disordered charge and spin density waves: collective dynamics of randomly distributed solitons (2001)

Mélin, R., Biljakovic, K., Lasjaunias, J. C., Monceau, P.

We show that the dynamics of disordered charge density waves (CDWs) and spin density waves (SDWs) is a collective phenomenon. The very low temperature specific heat relaxation experiments are...

Static and dynamic evidence for a transition at Tc = 0 in the Ising spin glass Fe0.3Mg0.7Cl2 (1990)

Redoulès, J.P., Bendaoud, R., Fert, A.R., Bertrand, D., Vétel, J., Lasjaunias, J.C., ...

The critical behaviour of the Ising spin glass Fe0.3Mg 0.7Cl2 has been studied by d.c. magnetisation, a.c. susceptibility and specific heat measurements.We have extended the range of our previous...

Static and dynamic evidence for a transition at Tc = 0 in the Ising spin glass Fe0.3Mg0.7Cl2 (1990)

Redoulès, J.P., Bendaoud, R., Fert, A.R., Bertrand, D., Vétel, J., Lasjaunias, J.C., ...

The critical behaviour of the Ising spin glass Fe0.3Mg 0.7Cl2 has been studied by d.c. magnetisation, a.c. susceptibility and specific heat measurements.We have extended the range of our previous...

Static and dynamic evidence for a transition at Tc = 0 in the Ising spin glass Fe0.3Mg0.7Cl2 (1990)

Redoulès, J.P., Bendaoud, R., Fert, A.R., Bertrand, D., Vétel, J., Lasjaunias, J.C., ...

The critical behaviour of the Ising spin glass Fe0.3Mg 0.7Cl2 has been studied by d.c. magnetisation, a.c. susceptibility and specific heat measurements.We have extended the range of our previous...

Low-temperature thermodynamic properties of amorphous sputtered Zr 100-xCux alloys. Effect of structural relaxation (1989)

Zougmoré, F., Lasjaunias, J.C., Béthoux, O.

We report on low-temperature specific heat measurements of superconducting amorphous Zr100-xCux (19 ≤ x ≤ 64) alloys prepared by sputtering that we compare to corresponding alloys...

Low-temperature thermodynamic properties of amorphous sputtered Zr 100-xCux alloys. Effect of structural relaxation (1989)

Zougmoré, F., Lasjaunias, J.C., Béthoux, O.

We report on low-temperature specific heat measurements of superconducting amorphous Zr100-xCux (19 ≤ x ≤ 64) alloys prepared by sputtering that we compare to corresponding alloys...

Low-temperature thermodynamic properties of amorphous sputtered Zr 100-xCux alloys. Effect of structural relaxation (1989)

Zougmoré, F., Lasjaunias, J.C., Béthoux, O.

We report on low-temperature specific heat measurements of superconducting amorphous Zr100-xCux (19 ≤ x ≤ 64) alloys prepared by sputtering that we compare to corresponding alloys...

Low temperature calorimetric and magnetic properties of Al-Mn and Al-Mn-Si quasi-crystals (1988)

Lasjaunias, J.C, Paulsen, C, Godinho, M, Berger, C, Pavuna, D

The authors report the low temperature specific heat Cp and magnetic measurements for solid solution Al-3at.percent Mn, Al86Mn14 and Al25Mn20Si5 in quasi-crystalline phases. From the amplitude of the...

Experimental evidence for the existence of enhanced density of states and canonical spin-glass behavior in Al-Mn (-Si) quasicrystals (1988)

Berger, C, Lasjaunias, J.C, Tholence, J.L, Pavuna, D, Germi, P

The authors report experimental evidence for an enhanced density of states at the Fermi level in Al86Mn14 and Al75Mn20Si5 quasicrystals (QC) as indicated by the low-temperature specific heat and...

ON MAGNETIC INTERACTIONS IN QUASICRYSTALLINE Al//8//6Mn//1//4 AND Al//7//5Mn//2//0Si//5 ALLOYS. (1987)

Lasjaunias, J. C, Tholence, J. L, Berger, C, Pavuna, D

Low temperature specific heat and ac susceptibility studies on quasicrystalline Al//8//6Mn//1//4 and Al//7//5Mn//2//0Si//5 show that most Mn's are nonmagnetic. The fraction of magnetic Mn's (about...

Effect of thermal treatments on the low temperature specific heat of B2O3 and SiO2 glasses (1980)

Lasjaunias, J.C., Penn, G., Ravex, A., Vandorpe, M.

Specific heat measurements have been performed between 0.1 and 1 or 2 K on B2O3 and SiO2 glasses, which were stabilized near Tg by thermal treatments. Although permanent variations of the density up...

Effect of thermal treatments on the low temperature specific heat of B2O3 and SiO2 glasses (1980)

Lasjaunias, J.C., Penn, G., Ravex, A., Vandorpe, M.

Specific heat measurements have been performed between 0.1 and 1 or 2 K on B2O3 and SiO2 glasses, which were stabilized near Tg by thermal treatments. Although permanent variations of the density up...

Effect of thermal treatments on the low temperature specific heat of B2O3 and SiO2 glasses (1980)

Lasjaunias, J.C., Penn, G., Ravex, A., Vandorpe, M.

Specific heat measurements have been performed between 0.1 and 1 or 2 K on B2O3 and SiO2 glasses, which were stabilized near Tg by thermal treatments. Although permanent variations of the density up...