Elbert E M Chia et al 2005 J. Phys.: Condens. Matter 17 L303 doi:10.1088/0953-8984/17/28/L01
Elbert E M Chia1,3, D Vandervelde1, M B Salamon1, D Kikuchi2, H Sugawara2 and H Sato2
Show affiliationsWe report measurements of the magnetic penetration depth λ in single crystals of Pr(Os1−xRux)4Sb12 down to 0.1 K. Both λ and superfluid density ρs exhibit an exponential behaviour for the x≥0.4 samples, going from weak (x = 0.4,0.6) to moderate coupling (x = 0.8). For the x≤0.2 samples, both λ and ρs vary as T2 at low temperatures, but ρs is s-wave-like at intermediate to high temperatures. Our data are consistent with the presence of an additional nodal low-temperature phase at Tc 3<0.6 K, for small values of x.
74.70.Tx Heavy-fermion superconductors
74.62.Bf Effects of material synthesis, crystal structure, and chemical composition
Issue 28 (20 July 2005)
Received 27 April 2005, in final form 20 June 2005
Published 1 July 2005
Elbert E M Chia et al 2005 J. Phys.: Condens. Matter 17 L303
Wolfgang Kainz et al 2005 Phys. Med. Biol. 50 3423
F C Alcaraz and Yu G Stroganov 2002 J. Phys. A: Math. Gen. 35 6767
Masashi Hasegawa et al 2004 J. Phys.: Condens. Matter 16 7917
X-J Liu et al 2006 J. Phys. B: At. Mol. Opt. Phys. 39 4801
S De Baerdemacker et al 2007 J. Phys. A: Math. Theor. 40 2733
Rabin Banerjee and Pradip Mukherjee 2002 J. Phys. A: Math. Gen. 35 5591
Duane A. Liedahl and Frits Paerels 1996 ApJ 468 L33
S Barcza 2005 J. Phys. A: Math. Gen. 38 2469
Piotr Nowakowski and Marek Napiórkowski 2009 J. Phys. A: Math. Theor. 42 475005