Pesquisa | BVS CLAP/SMR-OPAS/OMS

1.

Crossover from dilute to majority spin freezing in two leg ladder system Sr(Cu,Zn)2O3

Larkin MI; Fudamoto Y; Gat IM; Kinkhabwala A; Kojima KM; Luke GM; Merrin J; Nachumi B; Uemura YJ; Azuma M; Saito T; Takano M.

Phys Rev Lett ; 85(9): 1982-5, 2000 Aug 28.

Artigo em Inglês | MEDLINE | ID: mdl-10970663

RESUMO

Muon spin relaxation has been measured in Sr(Cu1-xZnx)2O3. The results for low Zn concentration x0 occurred with increasing x around x approximately 0.8%, accompanied by a change of line shape to that expected in a concentrated magnetic environment. Analyses of the results for x>/=0.8% suggest that the majority of Cu moments participate in spin freezing, yet with a significantly reduced and spatially inhomogeneous moment size having a 1D correlation length xi approximately 6 lattice units, or a 2D correlation area involving approximately 19 Cu spins.

2.

Quantum diffusion of muonium in KCl.

Kiefl RF; Kadono R; Brewer JH; Luke GM; Yen HK; Celio M; Ansaldo EJ.

Phys Rev Lett ; 62(7): 792-795, 1989 Feb 13.

Artigo em Inglês | MEDLINE | ID: mdl-10040334

3.

Determination of the electronic structure of anomalous muonium in GaAs from nuclear hyperfine interactions.

Kiefl RF; Celio M; Estle TL; Luke GM; Kreitzman SR; Brewer JH; Noakes DR; Ansaldo EJ; Nishiyama K.

Phys Rev Lett ; 58(17): 1780-1783, 1987 Apr 27.

Artigo em Inglês | MEDLINE | ID: mdl-10034534

4.

Delocalization of muonium in NaCl.

Kadono R; Kiefl RF; Ansaldo EJ; Brewer JH; Celio M; Kreitzman SR; Luke GM.

Phys Rev Lett ; 64(6): 665-668, 1990 Feb 05.

Artigo em Inglês | MEDLINE | ID: mdl-10042042

5.

Charge and magnetic order in La0.5Sr1.5MnO4.

Sternlieb BJ; Hill JP; Wildgruber UC; Luke GM; Nachumi B; Moritomo Y; Tokura Y.

Phys Rev Lett ; 76(12): 2169-2172, 1996 Mar 18.

Artigo em Inglês | MEDLINE | ID: mdl-10060623

6.

Muon spin relaxation studies of magnetic order in Y1-xUxPd3 and UPd4.

Wu WD; Keren A; Le LP; Luke GM; Sternlieb BJ; Uemura YJ; Seaman CL; Dalichaouch Y; Maple MB.

Phys Rev Lett ; 72(23): 3722-3725, 1994 Jun 06.

Artigo em Inglês | MEDLINE | ID: mdl-10056273

7.

Competition between magnetic order and superconductivity in CeCu2.2Si2.

Luke GM; Keren A; Kojima K; Le LP; Sternlieb BJ; Wu WD; Uemura YJ; Onuki Y; Komatsubara T.

Phys Rev Lett ; 73(13): 1853-1856, 1994 Sep 26.

Artigo em Inglês | MEDLINE | ID: mdl-10056903

8.

Muon spin relaxation in UPt3.

Luke GM; Keren A; Le LP; Wu WD; Uemura YJ; Bonn DA; Taillefer L; Garrett JD.

Phys Rev Lett ; 71(9): 1466-1469, 1993 Aug 30.

Artigo em Inglês | MEDLINE | ID: mdl-10055547

9.

29Si hyperfine structure of anomalous muonium in silicon: Proof of the bond-centered model.

Kiefl RF; Celio M; Estle TL; Kreitzman SR; Luke GM; Riseman TM; Ansaldo EJ.

Phys Rev Lett ; 60(3): 224-226, 1988 Jan 18.

Artigo em Inglês | MEDLINE | ID: mdl-10038480

10.

Magnetic Behavior of the 2-Leg and 3-Leg Spin Ladder Cuprates Srn-1Cun+1O2n.

Kojima K; Keren A; Luke GM; Nachumi B; Wu WD; Uemura YJ; Azuma M; Takano M.

Phys Rev Lett ; 74(14): 2812-2815, 1995 Apr 03.

Artigo em Inglês | MEDLINE | ID: mdl-10058024

11.

Muon Spin Relaxation Studies of Zn-Substitution Effects in High-Tc Cuprate Superconductors.

Nachumi B; Keren A; Kojima K; Larkin M; Luke GM; Merrin J; Tchernyshöv O; Uemura YJ; Ichikawa N; Goto M; Uchida S.

Phys Rev Lett ; 77(27): 5421-5424, 1996 Dec 30.

Artigo em Inglês | MEDLINE | ID: mdl-10062799

12.

Ferromagnetic Ordering and Unusual Magnetic Ion Dynamics in La0.67Ca0.33MnO3.

Heffner RH; Le LP; Hundley MF; Neumeier JJ; Luke GM; Kojima K; Nachumi B; Uemura YJ; MacLaughlin DE; Cheong SW.

Phys Rev Lett ; 77(9): 1869-1872, 1996 Aug 26.

Artigo em Inglês | MEDLINE | ID: mdl-10063192

13.

Spin fluctuations in frustrated kagomé lattice system SrCr8Ga4O19 studied by muon spin relaxation.

Uemura YJ; Keren A; Kojima K; Le LP; Luke GM; Wu WD; Ajiro Y; Asano T; Kuriyama Y; Mekata M; Kikuchi H; Kakurai K.

Phys Rev Lett ; 73(24): 3306-3309, 1994 Dec 12.

Artigo em Inglês | MEDLINE | ID: mdl-10057343

14.

Muon Spin Relaxation and Magnetic Susceptibility Measurements in the Haldane System Y2-xCax)Ba(Ni1-yMgy)O5.

Kojima K; Keren A; Le LP; Luke GM; Nachumi B; Wu WD; Uemura YJ; Kiyono K; Miyasaka S; Takagi H; Uchida S.

Phys Rev Lett ; 74(17): 3471-3474, 1995 Apr 24.

Artigo em Inglês | MEDLINE | ID: mdl-10058209

15.

Basic similarities among cuprate, bismuthate, organic, Chevrel-phase, and heavy-fermion superconductors shown by penetration-depth measurements.

Uemura YJ; Le LP; Luke GM; Sternlieb BJ; Wu WD; Brewer JH; Riseman TM; Seaman CL; Maple MB; Ishikawa M; Hinks DG; Jorgensen JD; Saito G; Yamochi H.

Phys Rev Lett ; 66(20): 2665-2668, 1991 May 20.

Artigo em Inglês | MEDLINE | ID: mdl-10043580

16.

Muon-spin-relaxation measurements of magnetic penetration depth in organic superconductors (BEDT-TTF)2-X: X=Cu(NCS)2 and Cu

Le LP; Luke GM; Sternlieb BJ; Wu WD; Uemura YJ; Brewer JH; Riseman TM; Stronach CE; Saito G; Yamochi H; Wang HH; Kini AM; Carlson KD; Williams JM.

Phys Rev Lett ; 68(12): 1923-1926, 1992 Mar 23.

Artigo em Inglês | MEDLINE | ID: mdl-10045255

17.

Muon-spin-rotation study of magnetism in La1.85Sr0.15CuO4 and YBa2Cu3Ox below 90 mK.

Kiefl RF; Brewer JH; Carolan J; Dosanjh P; Hardy WN; Kadono R; Kempton JR; Krahn R; Schleger P; Yang BX; Zhou H; Luke GM; Sternlieb B; Uemura YJ; Kossler WJ; Yu XH; Ansaldo EJ; Takagi H; Uchida S; Seaman CL.

Phys Rev Lett ; 63(19): 2136-2139, 1989 Nov 06.

Artigo em Inglês | MEDLINE | ID: mdl-10040771

18.

Search for anomalous internal magnetic fields in high-Tc superconductors as evidence for broken time-reversal symmetry.

Kiefl RF; Brewer JH; Affleck I; Carolan JF; Dosanjh P; Hardy WN; Hsu T; Kadono R; Kempton JR; Kreitzman SR; Li Q; O'Reilly AH; Riseman TM; Schleger P; Stamp PC; Zhou H; Le LP; Luke GM; Sternlieb B; Uemura YJ; Hart HR; Lay KW.

Phys Rev Lett ; 64(17): 2082-2085, 1990 Apr 23.

Artigo em Inglês | MEDLINE | ID: mdl-10041572

19.

Universal correlations between Tc and ns/m (carrier density over effective mass) in high-Tc cuprate superconductors.

Uemura YJ; Luke GM; Sternlieb BJ; Brewer JH; Carolan JF; Hardy WN; Kadono R; Kempton JR; Kiefl RF; Kreitzman SR; Mulhern P; Riseman TM; Williams DL; Yang BX; Uchida S; Takagi H; Gopalakrishnan J; Sleight AW; Subramanian MA; Chien CL; Cieplak MZ; Xiao G; Lee VY; Statt BW; Stronach CE; Kossler WJ; Yu XH.

Phys Rev Lett ; 62(19): 2317-2320, 1989 May 08.

Artigo em Inglês | MEDLINE | ID: mdl-10039913

20.

Antiferromagnetism and superconductivity in oxygen-deficient YBa2Cu

Brewer JH; Ansaldo EJ; Carolan JF; Chaklader AC; Hardy WN; Harshman DR; Hayden ME; Ishikawa M; Kaplan N; Keitel R; Kempton J; Kiefl RF; Kossler WJ; Kreitzman SR; Kulpa A; Kuno Y; Luke GM; Miyatake H; Nagamine K; Nakazawa Y; Nishida N; Nishiyama K; Ohkuma S; Riseman TM; Roehmer G; Schleger P; Shimada D; Stronach CE; Takabatake T; Uemura YJ; Watanabe Y; Williams DL; Yamazaki T; Yang B.

Phys Rev Lett ; 60(11): 1073-1076, 1988 Mar 14.

Artigo em Inglês | MEDLINE | ID: mdl-10037934

RESUMO

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