activity
19972007
most citedOn the 590cm-1 B1g feature in underdoped Bi2Sr2CaCu2O8+delta

30 citations · 111 across the 6 of their papers we have counts for

collaborators

6 papers

cond-mat.supr-con2007★ 4 cited

Magnetron Sputter deposition of a 48-member cuprate superconductor library: Bi2Sr2YxCa1-xCu2Oy (0.5 <= x <= 1) linearly varying in steps of 0.01

R. J. Sanderson, K. C. Hewitt

Using magnetron sputtering, a spatial composition spread approach was applied successfully to obtain 48-member libraries of the Bi2Sr2YxCa1-xCu2Oy (0.5<= x <=1)cuprate superconduct…

cond-mat.supr-con2005★ 27 cited

Stoichiometry control of magnetron sputtered BiSrCaYCuO (0x0.5) thin film, composition spread libraries: Substrate bias and gas density factors

R. J. Sanderson, K. C. Hewitt

A magnetron sputtering method for the production of thin-film libraries with a spatially varying composition, x, in Bi2Sr2Ca1-xYxCu2Oy (0<=x<=0.5) has been developed. Two targets w…

cond-mat.supr-con2002★ 17 cited

Hole concentration and phonon renormalization in Ca-doped YBa_2Cu_3O_y (6.76 < y < 7.00)

K. C. Hewitt, X. K. Chen, C. Roch +6

In order to access the overdoped regime of the YBa_2Cu_3O_y phase diagram, 2% Ca is substituted for Y in YBa_2Cu_3O_y (y = 7.00,6.93,6.88,6.76). Raman scattering studies have been…

cond-mat.supr-con1999★ 30 cited

On the 590cm-1 B1g feature in underdoped Bi2Sr2CaCu2O8+delta

Kevin C. Hewitt, N. L. Wang, J. C. Irwin +3

Raman scattering studies have been performed on underdoped Bi2Sr2CaCu2O8+delta. In single crystals underdoped by oxygen removal, a 590 cm-1 peak is observed in the B1g spectrum. Th…

cond-mat.supr-con1997★ 21 cited

Evidence for Magnetic Pseudoscaling in Overdoped La(2-x)Sr(x)CuO(4)

J. G. Naeini, X. K. Chen, K. C. Hewitt +5

We report the results of electronic Raman scattering experiments on an overdoped La(1.78)Sr(0.22)CuO(4) single crystal as a function of temperature. The scattering rate Gamma(w->0,…

cond-mat.supr-con1997★ 12 cited

Comment on "Superconducting gap anisotropy vs. doping level in high-T_c cuprates" by C. Kendziora et al, PRL 77, 727 (1996)

K. Hewitt, T. Devereaux, X. K. Chen +3

In a recent paper Kendziora et al concluded that the superconducting gap in overdoped Bi-2212 is isotropic. From data obtained from electronic Raman scattering measurements, their…