Zobrazeno 1 - 10 of 140 pro vyhledávání: '"Oseroff, SB"'
1
Conduction electron spin resonance in the α-Yb1-xxFexAlB4(0≤x ≤0.50) and α-LuAlB4compounds
Autor: Holanda, LM, Lesseux, GG, Magnavita, ET, Ribeiro, RA, Nakatsuji, S, Kuga, K, Fisk, Z, Oseroff, SB, Urbano, RR, Rettori, C, Pagliuso, PG
Publikováno v: Holanda, LM; Lesseux, GG; Magnavita, ET; Ribeiro, RA; Nakatsuji, S; Kuga, K; et al.(2015). Conduction electron spin resonance in the α-Yb1-xxFexAlB4(0≤x ≤0.50) and α-LuAlB4compounds. Journal of Physics Condensed Matter, 27(25). doi: 10.1088/0953-8984/27/25/255601. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/3tr0b75k
© 2015 IOP Publishing Ltd. β-YbAlB4has become one of the most studied heavy fermion systems since its discovery due to its remarkable physical properties. This system is the first reported Yb-based heavy-fermion superconductor (HFS) for which the l
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2
Thermally activated exchange narrowing of the Gd3+ESR fine structure in a single crystal of Ce1-xGdxFe4P12(x-0.001) skutterudite
Autor: Garcia, FA, Venegas, PA, Pagliuso, PG, Rettori, C, Fisk, Z, Schlottmann, P, Oseroff, SB
Publikováno v: Garcia, FA; Venegas, PA; Pagliuso, PG; Rettori, C; Fisk, Z; Schlottmann, P; et al.(2011). Thermally activated exchange narrowing of the Gd3+ESR fine structure in a single crystal of Ce1-xGdxFe4P12(x-0.001) skutterudite. Physical Review B-Condensed Matter and Materials Physics, 84(12). doi: 10.1103/PhysRevB.84.125116. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/4k84t389
We report electron spin resonance (ESR) measurements in the Gd3+doped semiconducting filled skutterudite compound Ce1-xGdxFe4P12(x-0.001). As the temperature T varies from T- 150 K to T- 165 K, the Gd3+ESR fine and hyperfine structures coalesce into
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3
Quantum critical kondo quasiparticles probed by ESR in β-YbAlB 4
Autor: Holanda, LM, Vargas, JM, Iwamoto, W, Rettori, C, Nakatsuji, S, Kuga, K, Fisk, Z, Oseroff, SB, Pagliuso, PG
Publikováno v: Holanda, LM; Vargas, JM; Iwamoto, W; Rettori, C; Nakatsuji, S; Kuga, K; et al.(2011). Quantum critical kondo quasiparticles probed by ESR in β-YbAlB 4. Physical Review Letters, 107(2). doi: 10.1103/PhysRevLett.107.026402. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/9s84c9rq
Electron spin resonance (ESR) can probe conduction electrons (CE) and local moment (LM) spin systems in different materials. A CE spin resonance (CESR) is observed in metallic systems based on light elements or with enhanced Pauli susceptibility. LM
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4
Gd* rattling triggered by a 'weak' M-I transition at 140-160K in the Ce1-xGdxFe4P12 (x≈0.001) skutterudite compounds: An ESR study
Autor: Garcia, FA, Duque, JGS, Pagliuso, PG, Rettoril, C, Fisk, Z, Oseroff, SB
Publikováno v: Garcia, FA; Duque, JGS; Pagliuso, PG; Rettoril, C; Fisk, Z; & Oseroff, SB. (2010). Gd* rattling triggered by a "weak" M-I transition at 140-160K in the Ce1-xGdxFe4P12 (x≈0.001) skutterudite compounds: An ESR study. Physica Status Solidi (B) Basic Research, 247(3), 647-649. doi: 10.1002/pssb.200983015. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/8ws3c8g2
In this work we report electron spin resonance (ESR) measurements in the semiconducting Ce1-xGdxFe4P12 (x≈0:001) filled skutterudite compounds. Investigation of the temperature (T) dependence of the ESR spectra and relaxation process suggests, that
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5
Evidence for a subtle structural symmetry breaking in EuB6
Autor: Martinho, H, Rettori, C, Dalpian, GM, Da Silva, JLF, Fisk, Z, Oseroff, SB
Publikováno v: Martinho, H; Rettori, C; Dalpian, GM; Da Silva, JLF; Fisk, Z; & Oseroff, SB. (2009). Evidence for a subtle structural symmetry breaking in EuB6. Journal of Physics Condensed Matter, 21(45). doi: 10.1088/0953-8984/21/45/456007. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/5xt5782m
This work presents a systematic Raman scattering study and first-principles calculations for the EuB6 system. Evidence for the presence of an incipient (∼1 × 10-4) tetragonal symmetry break of its crystalline structure was found. Forbidden Raman m
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6
Coexisting on-center and off-center Yb3+ sites in Ce1-x Ybx Fe4 P12 skutterudites
Autor: Garcia, FA, Garcia, DJ, Avila, MA, Vargas, JM, Pagliuso, PG, Rettori, C, Passeggi, MCG, Oseroff, SB, Schlottmann, P, Alascio, B, Fisk, Z
Publikováno v: Garcia, FA; Garcia, DJ; Avila, MA; Vargas, JM; Pagliuso, PG; Rettori, C; et al.(2009). Coexisting on-center and off-center Yb3+ sites in Ce1-x Ybx Fe4 P12 skutterudites. Physical Review B-Condensed Matter and Materials Physics, 80(5). doi: 10.1103/PhysRevB.80.052401. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/21b8c22r
Electron-spin-resonance (ESR) measurements performed on the filled skutterudite system Ce1-x Ybx Fe4 P12 (x≲0.003) unequivocally reveal the coexistence of two Yb3+ resonances associated with sites of considerably different occupations and temperatu
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7
Magnetic field dependence and bottlenecklike behavior of the ESR spectra in YbRh2Si2
Autor: Duque, JGS, Bittar, EM, Adriano, C, Giles, C, Holanda, LM, Lora-Serrano, R, Pagliuso, PG, Rettori, C, Pérez, CA, Hu, R, Petrovic, C, Maquilon, S, Fisk, Z, Huber, DL, Oseroff, SB
Publikováno v: Duque, JGS; Bittar, EM; Adriano, C; Giles, C; Holanda, LM; Lora-Serrano, R; et al.(2009). Magnetic field dependence and bottlenecklike behavior of the ESR spectra in YbRh2Si2. Physical Review B-Condensed Matter and Materials Physics, 79(3). doi: 10.1103/PhysRevB.79.035122. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/63f4q123
Electron spin resonance (ESR) experiments at different fields or frequencies (4.1≤ν≤34.4 GHz) in the Kondo lattice (TK ≃25 K) YbRh2Si2 single-crystal compounds confirmed the observation of a single anisotropic Dysonian resonance with g⊥c ≅
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8
Exchange interaction effects in the ESR spectra of Eu2 + in LaB6
Autor: Duque, JGS, Urbano, RR, Venegas, PA, Pagliuso, PG, Rettori, C, Fisk, Z, Oseroff, SB
Publikováno v: Duque, JGS; Urbano, RR; Venegas, PA; Pagliuso, PG; Rettori, C; Fisk, Z; et al.(2007). Exchange interaction effects in the ESR spectra of Eu2 + in LaB6. Physica B: Condensed Matter, 398(2), 424-426. doi: 10.1016/j.physb.2007.04.053. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/11x5m5p6
The electron spin resonance (ESR) spectra of Eu2 +(4 f7, S = frac(7, 2)) in LaB6 single crystal show a single Dysonian resonance for the localized Eu2 + magnetic moments. It is shown that the Eu2 + ions are covalent exchange coupled to the (B) 2p-lik
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9
Electron spin resonance study of the local environment for the Gd3+ and Eu2+ ions in Ca1-xRxB6 (R = Gd, Eu) (0.0001 <= x <= 0.30)
Autor: Duque, JGS, Urbano, RR, Pagliuso, PG, Rettori, C, Schlottmann, P, Fisk, Z, Oseroff, SB
Publikováno v: Duque, JGS; Urbano, RR; Pagliuso, PG; Rettori, C; Schlottmann, P; Fisk, Z; et al.(2007). Electron spin resonance study of the local environment for the Gd3+ and Eu2+ ions in Ca1-xRxB6 (R = Gd, Eu) (0.0001 <= x <= 0.30). JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 310(2), 864-866. doi: 10.1016/j.jmmm.2006.10.1103. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/5cr101dr
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10
Noncubic symmetry in Ca 1-xEu xB 6 (0.15≲x≤1.00): An electron-spin-resonance study
Autor: Urbano, RR, Pagliuso, PG, Rettori, C, Schlottmann, P, Fisk, Z, Oseroff, SB
Publikováno v: Urbano, RR; Pagliuso, PG; Rettori, C; Schlottmann, P; Fisk, Z; & Oseroff, SB. (2006). Noncubic symmetry in Ca 1-xEu xB 6 (0.15≲x≤1.00): An electron-spin-resonance study. Journal of Applied Physics, 99(8). doi: 10.1063/1.2164427. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/2kq8b237
The Eu2+ (4 f7, S=72) g value in Ca1-x Eux B6 (0.15≲x≤1.00) was measured by means of electron spin resonance at two frequencies (fields), 9.4 (≈3.4 kOe) and 34.4 GHz (≈12.1 kOe). The g value was found to be anisotropic and magnetic-field depe
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