Calibration of shielded microwave probes using bulk dielectrics (2008)
Lai, K., Kundhikanjana, W., Kelly, M. A., Shen, Z. X.
A stripline-type near-field microwave probe is microfabricated for microwave impedance microscopy. Unlike the poorly shielded coplanar probe that senses the sample tens of microns away, the stripline...
Xiang, T., Luo, H. G., Lu, D. H., Shen, K. M., Shen, Z. X.
Based on the analysis of the measurement data of angle-resolved photoemission spectroscopy (ARPES) and optics, we show that the charge transfer gap is significantly smaller than the optical one and...
Balatsky, Alexander V., Lee, W. S., Shen, Z. X.
Superconducting excitations -- Bogoliubov quasiparticles -- are the quantum mechanical mixture of negatively charged electron (-e) and positively charged hole (+e). We propose a new observable for...
Van Heumen, E., Muhlethaler, E., Kuzmenko, A. B., Eisaki, H., Greven, M., ...
We take advantage of the connection between the free carrier optical conductivity and the glue function in the normal state, to reconstruct from the infrared optical conductivity the glue-spectrum of...
Lee, W. S., Meevasana, W., Johnston, S., Lu, D. H., Vishik, I. M., Moore, R. G., ...
The temperature dependent evolution of the renormalization effect in optimally-doped Bi2212 along the nodal direction has been studied via angle-resolved photoemission spectroscopy. Fine structure is...
Raman spectroscopy of epitaxial graphene on a SiC substrate (2008)
Ni, Z. H., Chen, W., Fan, X. F., Kuo, J. L., Yu, T., Wee, A. T. S., ...
The fabrication of epitaxial graphene (EG) on SiC substrate by annealing has attracted a lot of interest as it may speed up the application of graphene for future electronic devices. The interaction...
Brouet, V., Yang, W. L., Zhou, X. J., Hussain, Z., Moore, R. G., He, R., ...
We present a detailed ARPES investigation of the RTe3 family, which sets this system as an ideal "textbook" example for the formation of a nesting driven Charge Density Wave (CDW). This family indeed...
Modeling of a Cantilever-Based Near-Field Scanning Microwave Microscope (2008)
Lai, K., Kundhikanjana, W., Kelly, M., Shen, Z. X.
We present a detailed modeling and characterization of our scalable microwave nanoprobe, which is a micro-fabricated cantilever-based scanning microwave probe with separated excitation and sensing...
Lai, K., Ji, M. B., Leindecker, N., Kelly, M. A., Shen, Z. X.
We present the design and experimental results of a near-field scanning microwave microscope (NSMM) working at a frequency of 1GHz. Our microscope is unique in that the sensing probe is separated...
Angle-resolved photoemission studies of lattice polaron formation in the cuprate Ca2CuO2Cl2 (2007)
Shen, K. M., Ronning, F., Meevasana, W., Lu, D. H., Ingle, N. J. C., Baumberger, F., ...
To elucidate the nature of the single-particle excitations in the undoped parent cuprates, we have performed a detailed study of Ca2CuO2Cl2 using photoemission spectroscopy. The photoemission...
Ingle, N. J. C., Shen, K. M., Baumberger, F., Meevasana, W., Lu, D. H., Shen, Z. X., ...
ARPES spectra hold a wealth of information about the many-body interactions in a correlated material. However, the quantitative analysis of ARPES spectra to extract the various coupling parameters in...
He, J., Tang, S. H., Qin, Y. Q., Dong, P., Zhang, H. Z., Kang, C. H., ...
We report on the fabrication of domain-reversed structures in LiNbO3 by means of direct electron beam lithography at room temperature without any static bias. The LiNbO3 crystals were chemically...
Nodal quasiparticle in pseudogapped colossal magnetoresistive manganites (2005)
Mannella, N., Yang, W.L., Zhou, X.J., Zheng, H., Mitchell, J.F., Zaanen, J., ...
Nodal quasiparticle in pseudogapped colossal magnetoresistive manganites (2005)
Mannella, N., Yang, W.L., Zhou, X.J., Zheng, H., Mitchell, J.F., Zaanen, J., ...
Orientation-dependent C60 electronic structures revealed by photoemission (2004)
Brouet, V., Yang, W. L., Zhou, X. J., Choi, H. J., Louie, S. G., Cohen, M. L., ...
We observe, with angle-resolved photoemission, a dramatic change in the electronic structure of two C60 monolayers, deposited respectively on Ag (111) and (100) substrates, and similarly doped with...
Fermi Surface reconstruction in the CDW state of CeTe3 observed by photoemission (2004)
Brouet, V., Yang, W. L., Zhou, X. J., Hussain, Z., Ru, N., Shin, K. Y., ...
CeTe3 is a layered compound where an incommensurate Charge Density Wave (CDW) opens a large gap (400 meV) in optimally nested regions of the Fermi Surface (FS), whereas other sections with poorer...
Temperature Dependence of Resistivity of $Sr_2CoMoO_{6-\delta}$ Films (2003)
Yuan, C. L., Zeng, Z. Y., Zhu, Y., Ong, P. P., Shen, Z. X., Ong, C. K.
We investigate the temperature dependence of the resistivity and magnetoresistance of a polycrystalline $Sr_2CoMoO_{6-\delta}$ film deposited on (100)-$SrTiO_3$ substrate prepared by the pulsed laser...
Universal nodal Fermi velocity (2003)
Zhou, X. J., Yoshida, T., Lanzara, A., Bogdanov, P. V., Kellar, S. A., Shen, K. M., ...
Anomalous momentum dependence of the quasiparticle scattering rate in overdoped Bi2Sr2CaCu2O8 (2002)
Bogdanov, P.V., Lanzara, A., Zhou, X.J., Yang, W.L., Eisaki, H., Hussain, Z., ...
The question of the anisotropy of the electron scattering in high temperature superconductors is investigated using high resolution angle-resolved photoemission data from Pb-doped...
Pressure-induced resonant raman scattering in Ge/Si islands (2002)
Teo, K. L., Qin, L., Shen, Z. X., Schmidt, O. G.
Self-assembled Ge islands grown by solid-source molecular-beam epitaxy were investigated by resonant Raman scattering under hydrostatic pressure at room temperature. We utilize the effect of pressure...
Angle-resolved photoemission spectroscopy of Sr2CuO2Cl2 (2001)
Durr, C., Legner, S., Hayn, R., Borisenko, S.V., Hu, Z., Theresiak, A., ...
Effects of hydrostatic pressure on Raman scattering in Ge quantum dots (2001)
Teo, K. L., Qin, L., Noordin, I. M., Karunasiri, G., Shen, Z. X., Schmidt, O. G., ...
Orgad, D., Kivelson, S. A., Carlson, E. W., Emery, V. J., Zhou, X. J., Shen, Z. X.
In the normal state of the high temperature superconductors Bi_2Sr_2CaCu_2O_{8+delta} and La_{2-x}Sr_{x}CuO_4, and in the related ``stripe ordered'' material La_1.25Nd_0.6Sr_0.15CuO_4, there is sharp...
ARPES study of Pb doped Bi_2Sr_2CaCu_2O_8 - a new Fermi surface picture (2000)
Bogdanov, P. V., Lanzara, A., Zhou, X. J., Kellar, S. A., Feng, D. L., Lu, E. D., ...
High resolution angle resolved photoemission data from Pb doped Bi_2Sr_2CaCu_2O_8 (Bi2212) with suppressed superstructure is presented. Improved resolution and very high momentum space sampling at...
Evidence for an energy scale for quasiparticle dispersion in Bi_2Sr_2CaCu_2O_8 (2000)
Bogdanov, P. V., Lanzara, A., Kellar, S. A., Zhou, X. J., Lu, E. D., Zheng, W., ...
Quasiparticle dispersion in $Bi_{2}Sr_{2}CaCu_{2}O_{8}$ is investigated with improved angular resolution as a function of temperature and doping. Unlike the linear dispersion predicted by the band...
White, P. J., Shen, Z. X., Feng, D. L., Kim, C., Hasan, M. Z., Harris, J. M., ...
An angle resolved photoelectron spectroscopy study was conducted on BiSrCaCuZnO. A small amount of Zn substitution for Cu almost completely suppresses the otherwise sharp spectral peak along the...
Zn Impurities in BiSrCa(CuZn)O II - Temperature Induced Spectral Change (1999)
White, P. J., Shen, Z. X., Feng, D. L., Kim, C., Hasan, M. Z., Loeser, A. G., ...
The contents of this paper were absorbed into cond-mat/9901349.
Surface, Interface, and Bulk Properties of High Tc Superconductors. (1998)
Spicer, William E., Shen, Z. X., Lindberg, Per, Dessau, Daniel, Wells, Barrett
We have performed extensive studies of the Bi2Sr2CaCu2O8 material ever since its discovery in early 1988. Single crystals, polycrystalline pellets and thin film samples of the Bi2Sr2CaCu2O8 material...
High Resolution Photoemission Studies of Interfaces in High-Tc Superconductors. (1997)
Our research has involved using angle-resolved photoemission spectroscopy (ARPES) as a nano-scale probe of the electronic structure of surfaces and interfaces of high-temperature superconductors....
Antide and related antagonists of luteinizing hormone release with long action and oral activity.
Ljungqvist, A, Feng, D M, Hook, W, Shen, Z X, Bowers, C, Folkers, K
Antide is the decapeptide N-Ac-D-Nal(2),D-Phe(pCl),D-Pal(3),Ser,Lys(Nic),D-Lys(Nic),Leu,Lys(iPr),P ro,D- Ala-NH2 [Nal(2) represents 3-(2-naphthyl)alanine; Phe(p-Cl) represents...
Antide and related antagonists of luteinizing hormone release with long action and oral activity.
Ljungqvist, A, Feng, D M, Hook, W, Shen, Z X, Bowers, C, Folkers, K
Antide is the decapeptide N-Ac-D-Nal(2),D-Phe(pCl),D-Pal(3),Ser,Lys(Nic),D-Lys(Nic),Leu,Lys(iPr),P ro,D- Ala-NH2 [Nal(2) represents 3-(2-naphthyl)alanine; Phe(p-Cl) represents...