Journal Articles


2014

Colloquium: Graphene spectroscopy
D. N. Basov, M. M. Fogler, A. Lanzara, Feng Wang, and Yuanbo Zhang
Rev. Mod. Phys., in press (2014)

Impact of Work Function Induced Electric Fields on Laser-based Angle-resolved Photoemission Spectroscopy
A. Fero, C. L. Smallwood, G. Affeldt, and A. Lanzara
J. Electron Spectrosc. Relat. Phenom., in press (2014)

Time- and momentum-resolved gap dynamics in Bi2Sr2CaCu2O8+δ
Christopher L. Smallwood, Wentao Zhang, Tristan L. Miller, Chris Jozwiak, Hiroshi Eisaki, Dung-Hai Lee, and Alessandra Lanzara
Phys. Rev. B 89, 115126 (2014)


2013

Signatures of superconductivity and pseudogap formation in nonequilibrium nodal quasiparticles revealed by ultrafast angle-resolved photoemission
Wentao Zhang, Christopher L. Smallwood, Chris Jozwiak, Tristan L. Miller, Yoshiyuki Yoshida, Hiroshi Eisaki, Dung-Hai Lee, and Alessandra Lanzara
Phys. Rev. B 88, 245132 (2013)

Rapid high-resolution spin- and angle-resolved photoemission spectroscopy with pulsed laser source and time-of-flight spectrometer
K. Gotlieb, Z. Hussain, A. Bostwick, A. Lanzara, and C. Jozwiak
Rev. Sci. Instrum. 84, 093904 (2013)

Ligand-Controlled Colloidal Synthesis and Electronic Structure Characterization of Cubic Iron Pyrite (FeS2) Nanocrystals
J. Matthew Lucas, Chia-Chi Tuan, Sebastien D. Lounis, David K. Britt, Ruimin Qiao, Wanli Yang, Alessandra Lanzara, and A. Paul Alivisatos
Chem. Mater. 25, 1615-1620 (2013)

Charge-Carrier Screening in Single-Layer Graphene
David A. Siegel, William Regan, Alexei V. Fedorov, A. Zettl, and Alessandra Lanzara
Phys. Rev. Lett. 110, 146802 (2013)

Photoelectron spin-flipping and texture manipulation in a topological insulator
Chris Jozwiak, Cheol-Hwan Park, Kenneth Gotlieb, Choongyu Hwang, Dung-Hai Lee, Steven G. Louie, Jonathan D. Denlinger, Costel R. Rotundu, Robert J. Birgeneau, Zahid Hussain, and Alessandra Lanzara
Nature Physics 9, 293-298 (2013)


2012

An ultrafast angle-resolved photoemission apparatus for measuring complex materials
Christopher L. Smallwood, Christopher Jozwiak, Wentao Zhang, and Alessandra Lanzara
Rev. Sci. Instrum. 83, 123904 (2012). *Research Highlight

Electron-phonon coupling and intrinsic bandgap in highly-screened graphene
David A Siegel, Choongyu Hwang, Alexei V Fedorov, and Alessandra Lanzara
New J. Phys. 14, 095006 (2012)

Fermi velocity engineering in graphene by substrate modification
Choongyu Hwang, David A. Siegel, Sung-Kwan Mo, William Regan, Ariel Ismach, Yuegang Zhang, Alex Zettl, and Alessandra Lanzara
Sci. Rep. 2, 590 (2012)

Tracking Cooper Pairs in a Cuprate Superconductor by Ultrafast Angle-Resolved Photoemission
Christopher L. Smallwood, James P. Hinton, Christopher Jozwiak, Wentao Zhang, Jake D. Koralek, Hiroshi Eisaki, Dung-Hai Lee, Joseph Orenstein, and Alessandra Lanzara
Science 336, 1137 (2012). Open access links: abstract, full text, or PDF reprint

Method for synthesis of high quality graphene
Alessandra Lanzara, Andreas K. Schmid, Xiaozhu Yu, Choonkyu Hwang, Annemarie Kohl, Chris M. Jozwiak
U.S. Patent #8142754


2011

Widespread spin polarization effects in photoemission from topological insulators
C. Jozwiak, Y. L. Chen, A. V. Fedorov, J. G. Analytis, C. R. Rotundu, A. K. Schmid, J. D. Denlinger, Y.-D. Chuang, D.-H. Lee, I. R. Fisher, R. J. Birgeneau, Z.-X. Shen, Z. Hussain, and A. Lanzara
Phys. Rev. B 84, 165113 (2011). *Editors' Suggestion

Direct measurement of quantum phases in graphene via photoemission spectroscopy
Choongyu Hwang, Cheol-Hwan Park, David A. Siegel, Alexei V. Fedorov, Steven G. Louie, and Alessandra Lanzara
Phys. Rev. B 84, 125422 (2011). *Editors' Suggestion

Nodal quasiparticle meltdown in ultrahigh-resolution pump-probe angle-resolved photoemission
J. Graf, C. Jozwiak, C. L. Smallwood, H. Eisaki, R. A. Kaindl, D-H. Lee, and A. Lanzara
Nature Physics 7, 805-809 (2011)

Many-body interactions in quasi-freestanding graphene
David A. Siegel, Cheol-Hwan Park, Choongyu Hwang, Jack Deslippe, Alexei V. Fedorov, Steven G. Louie, and Alessandra Lanzara
PNAS, 108, 11365-11369 (2011)

New synthesis method for the growth of epitaxial graphene
X.Z. Yu, C.G. Hwang, C.M. Jozwiak, A. Kohl, A.K. Schmid, and A. Lanzara
J. Elec. Spec. Relat. Phenom. 184, 100-106 (2011)


2010

Crossover region between nodal and antinodal states at the Fermi level of optimally doped and overdoped Bi2Sr1.6Nd0.4Cu2O6+δ
D. R. Garcia, J. Graf, C. Jozwiak, C. G. Hwang, H. Eisaki, and A. Lanzara
Phys. Rev. B 81, 184527 (2010)

A high-efficiency spin-resolved photoemission spectrometer combining time-of-flight spectroscopy with exchange-scattering polarimetry
C. Jozwiak, J. Graf, G. Lebedev, N. Andresen, A. K. Schmid, A. V. Fedorov, F. El Gabaly, W. Wan, A. Lanzara, and Z. Hussain
Rev. Sci. Instrum. 81, 053904 (2010)

Quasifreestanding multilayer graphene films on the carbon face of SiC
D. A. Siegel, C. G. Hwang, A. V. Fedorov, and A. Lanzara
Phys. Rev. B 81, 241417(R) (2010)

Resonant photoluminescent charging of epitaxial graphene
S. D. Lounis, D. A. Siegel, R. Broesler, C. G. Hwang, E. E. Haller, and A. Lanzara
App. Phys. Lett. 96, 151913 (2010)

Phonon dispersion and low-enery anomaly in CaC6 from inelastic neutron and x-ray scattering experiments
Matteo d'Astuto, Matteo Calandra, Nedjma Bendiab, Genevieve Loupias, Francesco Mauri, Shuyun Zhou, Jeff Graf, Alessandra Lanzara, Nicolas Emery, Claire Herold, P. Legrange, Daniel Petitgrand, and Moritz Hoesch
Phys. Rev. B 81, 104519 (2010)

Through a Lattice Darkly: Shedding Light on Electron-Phonon Coupling in the High Tc Cuprates
D. R. Garcia and A. Lanzara
Advances in Condensed Matter Physics 2010, 807412 (2010)

Vacuum space charge effect in laser-based solid-state photoemission spectroscopy
J. Graf, S. Hellmann, C. Jozwiak, C. L. Smallwood, Z. Hussain, R. A. Kaindl, L. Kipp, K. Rossnagel, and A. Lanzara
J. App. Phys. 107, 014912 (2010)


2009

First Direct Observation of a Nearly Ideal Graphene Band Structure
M. Sprinkle, D. Siegel, Y. Hu, J. Hicks, A. Tejeda, A. Taleb-Ibrahimi, P. Le Fevre, F. Bertran, S. Vizzini, H. Enriquez, S. Chiang, P. Soukiassian, C. Berger, W. A. deHeer, A. Lanzara, and E. H. Conrad
Phys. Rev. Lett. 103, 226803 (2009)

Broadband electromagnetic response and ultrafast dynamics of few-layer epitaxial graphene
H. Choi, F. Borondics, D. A. Siegel, S. Y. Zhou, M. C. Martin, A. Lanzara, and R. A. Kaindl
App. Phys. Lett. 94, 172102 (2009)

Three-fold diffraction symmetry in epitaxial graphene and the SiC substrate
D. A. Siegel, S. Y. Zhou, F. El Gabaly, A. K. Schmid, K. F. McCarty, and A. Lanzara
Phys. Rev. B 80, 241407(R) (2009). ArXiv version (with addendum) here.

Bilayer splitting and c-axis coupling in CMR bilayer manganites
C. Jozwiak, J. Graf, S. Y. Zhou, A. Bostwick, E. Rotenberg, H. Zheng, J. F. Mitchell and A. Lanzara
Phys. Rev. B 80, 235111 (2009)

Instability of two-dimensional graphene: Breaking sp2 bonds with soft x rays
S. Y. Zhou, C. O. Girit, A. Scholl, C. M. Jozwiak, D. A. Siegel, P. Yu, J. T. Robinson, F. Wang, A. Zettl, and A. Lanzara
Phys. Rev. B 80, 121409(R) (2009)


2008

Self-doping effects in epitaxially grown graphene
D. A. Siegel, S. Y. Zhou, F. El Gabaly, A. V. Fedorov, A. K. Schmid, and A. Lanzara
App. Phys. Lett. 93, 243119 (2008)

Unusual oxygen isotope effects in cuprates - importance of doping
G.-H. Gweon, T. Sasagawa, H. Takagi, D.-H. Lee, A. Lanzara
arXiv:0708.1027

Core level and valence band study using angle-integrated photoemission on LaFeAsO0.9F0.1
D.R. Garcia, C. Jozwiak, C. G. Hwang, A. Fedorov, S. M. Hanrahan, S. D. Wilson, C. R. Rotundu, B. K. Freelon, R. J. Birgeneau, E. Bourret-Courchesne and A. Lanzara
Phys. Rev. B 78, 245119 (2008)

Kohn anomaly and interplay of electron-electron and electron-phonon interactions in epitaxial graphene
S. Y. Zhou, D. A. Siegel, A. V. Fedorov, and A. Lanzara
Phys. Rev. B 78, 193404 (2008)

Sharp optical phonon softening close to optimal doping in La2−xBaxCuO4+d
Matteo d’Astuto, Guy Dhalenne, Jeff Graf, Moritz Hoesch, Paola Giura, Michael Krisch, Patrick Berthet, Alessandra Lanzara and Abhay Shukla
Phys. Rev. B 78, 140511(R) (2008)

Metal to insulator transition in epitaxial graphene induced by molecular doping
S.Y. Zhou, D.A. Siegel, A.V. Federov and A. Lanzara
Phys. Rev. Lett. 101, 086402 (2008).

Bond stretching phonon softening and kinks in the angle-resolved photoemission spectra of optimally doped Bi2Sr1.6La0.4Cu2O6+d superconductors
J. Graf, M. d'Astuto, C. Jozwiak, D.R. Garcia, N.L. Saini, M. Krisch, K. Ikeuchi, A.Q.R. Baron, H. Eisaki, and A. Lanzara
Phys. Rev. Lett. 100, 227002 (2008)

Departure from the conical dispersion in epitaxial graphene
S.Y. Zhou, D.A. Siegel, A.V. Fedorov, A. Lanzara
Physica E 40, 2642 (2008).> Preprint at  cond-mat/0801.3862

Origin of the energy bandgap in epitaxial graphene
S.Y. Zhou, D.A. Siegel, A.V. Fedorov, F. El Gabaly, A.K. Schmid, A.H. Castro Neto, D.-H. Lee, A. Lanzara
Nature Materials 7, 259-260 (2008).


2007

Design of an elliptically bent refocus mirror for the MERLIN beamline at the Advanced Light Source
N. Kelez, Y. D. Chuang, A. Smith-Baumann, K. Franck, R. Duarte, A. Lanzara, M. Z. Hasan, D. S. Dessau, T. C. Chiang, Z. X. Shen, Z.Hussain
Nuclear Instruments and Methods in Physics Research 582, 135-137 (2007)

Exchange-induced frustration in Fe/NiO multilayers
N. Rougemaille, M. Portalupi, A. Brambilla, P. Biagioni, A. Lanzara, M. Finazzi, A. K. Schmid, L. Duo
Phys. Rev. B 76, 214425 (2007)

In-plane copper-oxygen bond-stretching mode anomaly in underdoped La2-xSrxCuO4+d measured with high-resolution inelastic x-ray scattering
J. Graf, M. d'Astuto, P. Giura, A. Shukla, N.L. Saini, A. Bossak, M. Krisch, S.-W. Cheong, T. Sasagawa, A. Lanzara
Phys. Rev. B Rapid Communications 76, 172507 (2007)

X-ray Absorption Microscopy of Bacterial Surface Protein Layers: X-ray damage
A. Kade, D. V. Vyalikh, S. Danzenbacher, K. Kummer, A. Bluber, M. Mertig, A. Lanzara, A. Scholl, A. Doran, S. L. Molodtsov
J. Phys. Chem. B 111, 13491-13498 (2007); link

Substrate-induced band gap opening in epitaxial graphene
S.Y. Zhou, G.-H. Gweon, A.V. Fedorov, P.N. First, W.A. der Heer, D.-H. Lee, F. Guinea, A.H. Castro Neto, A. Lanzara
Nature Materials 6, 770 (2007), preprint at arXiv:0709.1706v2;
**Selected by Thomson Reuters “Essential Science Indicators” as a Fast Breaking Paper in the field of Materials Science, i.e. one of the most-cited papers in its discipline published in the past 2 years

Universal waterfall-like feature in the spectral function of high temperature superconductors
J. Graf, G.-H. Gweon, A. Lanzara
Physica C 460-462, 194-197 (2007)

Probing the band structure of LaTe2 using Angle Resolved Photoemission Spectroscopy
D.R. Garcia, S.Y. Zhou, G.-H. Gweon, M.H. Jung, Y.S. Kwon, A. Lanzara
J. Elec. Spec. Relat. Phenom. 156-158, 58 (2007).  Preprint at arXiv:cond-mat/0703556

Revealing Charge Density Wave formation in the LaTe2 system by Angle Resolved Photoemission Spectroscopy
D. R. Garcia, G.-H. Gweon, S.Y. Zhou, J. Graf, C.M. Jozwiak, M.H. Jung, Y.S. Kwon, A. Lanzara
Phys. Rev. Lett. 98, 166403 (2007).  Preprint at arXiv:cond-mat/0703535

Universal high energy anomaly in the Angle-Resolved Photoemission spectra of high temperature superconductors: possible evidence of spinon and holon branches
J. Graf, G.-H. Gweon, K. McElroy, S.Y. Zhou, C. Jozwiak, E. Rotenberg, A. Bill, T. Sasagawa, H. Eisaki, S. Uchida, H. Takagi, D.-H. Lee, and A. Lanzara
Phys. Rev. Lett. 98, 067004 (2007), arXiv:cond-mat/0607319
Selected for the February issue of Virtual Journal and Applications of Superconductivity 2007


2006

Strong and complex electron-lattice correlation in optimally doped Bi2Sr2CaCu2O8+x
G.-H. Gweon, S. Y. Zhou, M. C. Watson, T. Sasagawa, H. Takagi, and A. Lanzara
Phys. Rev. Lett.  97, 227001 (2006).  Preprint at arXiv:cond-mat/0701291

Direct observation of magnetic instabilities in NiO thin films epitaxiall grown on Fe(001)
L. Duo, A. Brambilla, P. Biagioni, M. Finazzi, A. Scholl, G.-H. Gweon, J. Graf, A. Lanzara
Surf. Sci. 600, 4160 (2006)

Nano-sized magnetic instabilities in Fe/NiO/Fe(001) epitaxial thin films
A. Brambilla, P. Biagioni, N. Rougemaille, A.K. Schmid, A. Lanzara, L. Duo, F. Ciccacci, M. Finazzi
Thin Solid Films 515, 712 (2006)

 

Interface Coupling Transition in a thin epitaxial antiferromagnetic film interacting with a ferromagnetic substrate
M. Finazzi, A. Brambilla, P. Biagioni, J. Graf, G.
-H. Gweon, A. Scholl, A. Lanzara, L. Duo
Phys. Rev. Lett. 97, 097202 (2006)

First direct observation of Dirac fermions in graphite
S. Y. Zhou, G.-H. Gweon, J. Graf, A. V. Fedorov, C. D. Spataru, R. D. Diehl, Y. Kopelevich, D.-H. Lee, Steven G. Louie, A. Lanzara
Nature Physics 2, 595-599 (2006)

Synthesis and characterization of atomically-thin graphite films on a silicon carbide substrate
E. Rollings, G.–H. Gweon, S. Y. Zhou, B. S. Mun, J.L. McChesney, B. S. Hussain, A. V. Federov, P.N. First, W.A. de Heer, and A. Lanzara
J. Phys. Chem. Solids, 67, 2172 (2006), preprint at arXiv:cond-mat/0512226
 

Low energy excitations in graphite: the role of dimensionality and lattice defects

S. Y. Zhou, G.-H. Gweon, A. Lanzara

Annals of Physics 321, 1730 (2006)

 

Elastic scattering susceptibility of the high-temperature superconductor Bi2Sr2CaCu2O8+d:  A comparison between real and momentum space spectroscopy

K. McElroy, G.-H. Gweon, S. Y. Zhou, J. Graf, S. I. Uchida, H. Eisaki, H. Takagi, T. Sasagawa, D.-H. Lee, A. Lanzara

Phys. Rev. Lett 96, 067005 (2006)

Normal state spectral lineshapes of nodal quasiparticles in single layer Bi2201 superconductor
A.Lanzara, P. V. Bogdanov, X. J. Zhou, N. Kaneko, H. Eisaki, M. Greven, Z. Hussain and Z. X. Shen
J. Phys. Chem. Solids 67, 239 (2006)


2005

Coexistence of sharp quasiparticle dispersions and disorder features in polycrystalline graphite
S.Y. Zhou, G.-H. Gweon, C.D. Spataru, J. Graf, D.-H. Lee, S.G. Louie and A. Lanzara
Phys. Rev. B-(Rapid Communications) 71, 161403(R) (2005)

Oxygen isotope effect on electron dynamics in Bi2Sr2CaCu2Oy angle-resolved photoemission spectroscopy
T. Sasagawa, A. Lanzara, G.-H. Gweon, S. Y. Zhou, J. Graf, Suryadijava, H. Takagi

Physica C 426, 436 (2005)

Mapping spin-dependent electron reflectivity of Fe and Co ferromagnetic thin films
J. Graf, C. Jozwiak, A. K. Schmid, A. Lanzara
Phys. Rev. B 71, 144429 (2005)

Magnetic properties of Fe/NiO/Fe(001) trilayers

P. Biagioni, A. Brambilla, M. Portalupi, N. Rougemaille, A. K. Schmid, A. Lanzara, P. Vavassori, M. Zani, M. Finazzi, L. Duo, F. Ciccacci

J. Magnetism and Magnetic Materials 290, 153 (2005)


2004


Perpendicular magnetic coupling in Fe/NiO/Fe(001) trilayers studied by spin-polarized low-energy electron microscopy
M. Portalupi, G.-H. Gweon, C. Jozwiak, J. Graf, A. K. Schmid, A. Lanzara

Journal of Microscopy and Microanalysis (2004)

An unusual isotope effect in a high temperature superconductor
G.-H. Gweon, T. Sasagawa, S. Y. Zhou, J. Graf, H. Takagi, D. H. Lee, A. Lanzara
Nature 430, 187 (2004)

Lattice dynamics and paired electrons in high temperature superconductors
G.-H. Gweon, S. Y. Zhou, and A. Lanzara
Kluwers Academic Publishers B.V., Vol. NATO Science Series II - Mathematics, Physics and Chemistry (2004), preprint

Strong influence of phonons on the electron dynamics of Bi2Sr2CaCu2O8+d
G.-H. Gweon, S.Y. Zhou, A. Lanzara
J Phys Chem Solids 65, 1397 (2004)

Nodal vs. antinodal quasiparticles in optimally doped Bi2212 superconductor
A. Lanzara
Physica C 412, 46 (2004)


2003

Universal Nodal Fermi Velocity in High Temperature Superconductors
X. J. Zhou, T. Yoshida, A. Lanzara, P. V. Bogdanov, S. A. Kellar, K. M. Shen, W. L. Yang, F. Ronning, T. Sasagawa, T. Kakeshita, T. Noda, H. Eisaki, S. Uchida, C. T. Lin, F. Zhou, J. W. Xiong, W. X. Di, Z. X. Zhao, A. Fujimori, Z. Hussain, Z. X. Shen.
Nature - Brief Communication 423, 398 (2003)

Band structure and fermi surface of electron doped C60 monolayers
W. L. Yang, V. Brouet, X. J. Zhou, H. J. Choi, S. G. Louie, M. L. Cohen, S. A. Kellar, P. V. Bogdanov, A. Lanzara, A. Goldoni, F. Parmigiani, Z. Hussain, Z. X. Shen
Science 300, 303-307 (2003)

Metallic behavior of lightly doped La2-xSrxCuO4 with a Fermi Surface Forming an Arc.
T. Yoshida, X. J. Zhou, T. Sasagawa, W. L Yang, P. V. Bogdanov, A. Lanzara, Z. Hussain, T. Mizokawa, A. Fujimori, H. Eisaki, Z. X. Shen, T. Kakeshita and S. Uchida
Phys. Rev. Lett. 91, 027001 (2003)


2002

Anomalous Momentum Dependence of the Quasiparticle Scattering Rate in Overdoped Bi2212
P. V. Bogdanov, A. Lanzara, X. J. Zhou, W. L. Yang, H. Eisaki, Z. Hussain, and Z. X. Shen 
Phys. Rev. Lett. 89, 167002 (2002)

Role of electron-phonon interaction in the strongly correlated cuprate superconductors
Z. X. Shen, A. Lanzara, S. Ishihara, N. Nagaosa.
Phil. Mag. B 82, 1349-1368 (2002)  


2001

Evidence for ubiquitous electron-phonon coupling in high temperature superconductors.
A.Lanzara, P. V. Bogdanov, X. J. Zhou, S. A. Kellar, D. L. Feng, E. D. Lu, T. Yoshida, H. Eisaki, A. Fujimori, K. Kishio, J. -I.  Shimoyama, T. Noda, S. Uchida, Z. Hussain and Z. X. Shen
Nature 412, 510 (2001)  

Photoemission study of Pb doped Bi2Sr2CaCu2O8 A fermi surface picture
P. V. Bogdanov, A. Lanzara, X. J. Zhou, S. A. Kellar, D. L. Feng, E. D. Lu,  J. -I. Shimoyama, K. Kishio, Z. Hussain, Z. -X. Shen.
Phys. Rev. B - Rapid Communications 64, 180505(R) (2001)

Bilayer splitting in the electronic structure of heavily overdoped Bi2Sr2CaCu2O8+d
D. L. Feng, N. P. Armitage, D. H. Lu, A. Damascelli, J. P. Hu, P. Bogdanov, A. Lanzara, F. Ronning, K. M. Shen, H. Eisaki, C. Kim, Z. -X. Shen, J. I. Shimoyama, K. Kishio
Phys. Rev. Lett.  86, 5550 (2001)

Dual nature of the electronic structure of La2-x-yNdySrxCuO4 and La1.85Sr0.15CuO4
X. J. Zhou, T. Yoshida, S. A. Kellar, P. V. Bogdanov, E. D. Lu, A. Lanzara, M. Nakamura, T. Noda, T. Kakeshita, H. Eisaki, S. Uchida, A. Fujimori, Z. Hussain, Z. -X. Shen.
Phys. Rev. Lett. 86, 5578 (2001)

Electron like Fermi surface and remnant (π, 0) feature in overdoped La1.78Sr0.22CuO4
T. Yoshida, X. J. Zhou, M. Nakamura, S. A. Kellar, P. V. Bogdanov, E. D. Lu, A. Lanzara, Z. Hussain, A. Ino, T. Mizokawa, A. Fujimori, H. Eisaki, C. Kim, Z. -X. Shen, T. Kakeshita, S. Uchida.
Phys. Rev. B 63, 220501 (2001)

Evidence for local lattice fluctuations as a response function of the charge stripe order in the La1.48Nd0.4Sr0.12CuO4 system
N. L. Saini, H. Oyanagi, A. Lanzara, D. Di Castro, S. Agrestini, A. Bianconi, F. Nakamura, T. Fujita.
Phys. Rev. B 64, 132510 (2001)

Evidence for abrupt change in dispersion and scattering rate of quasiparticles in Bi2Sr2CaCu2O8
A. Lanzara, P. V. Bogdanov, S. A. Kellar, X. J. Zhou, E. D. Lu, G. Gu, J.-I. Shimoyama, K. Kishio, Z. Hussain, Z. X. Shen
J. Phys. And Chem Solids 62, 21-24 (2001); link


2000

Asymmetric local displacements in the Bi2Sr2CaCu2O8+? superconductor
N. L. Saini, A. Lanzara, A. Bianconi, H. Oyanagi
Eur. Phys. J B 18, 257-261 (2000); link

Evidence for an energy scale for quasiparticle dispersion in Bi2Sr2CaCu2O8
P. V. Bogdanov, A. Lanzara, S. A. Kellar, X. J. Zhou, E. D. Lu, W. Zheng, G. Gu, K. Kishio, J. -I. Shimoyama, Z. Hussain, Z.-X. Shen.
Phys. Rev. Lett. 85, 2581 (2000)

Large fluctuations near the superconducting transition in the underdoped Bi2212
D. Di Castro, N. L. Saini, A. Bianconi, A. Lanzara
Physica C 332, 405 (2000) ; link

On the topological features at the fermi surface of Bi2212 system revealed by angle scanning photoemission
N. L. Saini, A. Bianconi, A. Lanzara, J. Avila, M. C. Asensio, S. Tajima, G. D. Gu, N. Koshizuka
Physica C 341, 2071 (2000)
; link

Study of complex Cu-O lattice in La8-xSrxCu8O20 by high resolution X-ray absorption spectroscopy
N. L. Saini, A. Lanzara, K. B. Garg, A. Bianconi , T. Ito, K. Oka, H. Oyanagi
Int. J Mod Phys B 14  (29-31), 3656-3661 (2000); link

Nodal spectral weight and Fermi surface in La2-xSrxCuO4
T. Yoshida, M. Nakamura, A. Ino, T. Mizokawa, A. Fujimori, X. J. Zhou, S. A. Kellar, P. V. Bogdanov, E. D. Lu, A. Lanzara, H. Eisaki, Z. Hussain, Z. X. Shen, T. Kakeshita, S. Uchida
Int J Mod Phys B 14 (29-31), 3777-3782 (2000); link

Local lattice fluctuations as a function of chemical pressure
N. L. Saini, A. Bianconi, A. Lanzara, S. Agrestini, D. Di Castro, H. Oyanagi
Int J Mod Phys B 14 (25-27), 2761-2766 (2000); link

Local structure of the charge ordered La0.5Ca0.5MnO3
S. Agrestini, N. L. Saini, A. Lanzara, F. Natali, A. Bianconi
Int J Mod Phys B 14 (25-27), 2852-2857 (2000) ; link

Doping dependent fluctuations near TC in the Bi2212 superconductor
D. Di Castro, N. L. Saini, A. Bianconi, A. Lanzara
Int J Mod Phys B 14 (25-27), 2872 (2000); link


1999


The non Fermi liquid Behavior and diagonal Lattice stripes in cuprate sperconductors
Bianconi, N. L. Saini, A. Lanzara, J. Avila, M. C. Asensio, S. Tajima, G. D. Gu, N. Koshizuka
Physica C 318, 304 (1999); link

Oxygen-isotope shift of the charge-stripe ordering temperature in La2-xSrxCuO4 from X-ray absorption spectroscopy
Lanzara, G. M. Zhao, N. L. Saini, A. Bianconi, K. Conder, H. Keller, K. A. Müller.
J. Physics- Cond. Matter 11, L541 (1999); link

Anomalous local atomic correlations in HgBa2CuO4+d
A.Lanzara, N. L. Saini, A. Bianconi, F. Duc, P. Bordet.
Phys. Rev. B  59,  3851 (1999)

Measurement of an anisotropic pseudogap at room temperature in optimal doped Bi2212

J. Avila, M. C. Asensio, N. L. Saini, A. Lanzara, A. Bianconi, S. Tajima, G. D. Gu, N. Koshizuka

Physica B  261, 1132-1133 (1999); link
 


1998

A transition from large to small polarons in the La0.75Ca0.25MnO3 perovskite system

Lanzara, N.L. Saini, M. Brunelli, F. Natali, A. Bianconi, P. Radaelli, S. W. Cheong.

J. Phys.Chem.Solids   59, 2220-2223 (1998); link
 

Reply to comment: Hot spots on the Fermi surface of Bi2Sr2CaCu2O8+x: stripes versus superstructure.

N. L. Saini, A. Bianconi, A. Lanzara, J. Avila, M. C. Asensio, S. Tajima, G. D. Gu, N. Koshizuka.

Phys. Rev. Lett.  82, 2619 (1998)

 

Local structural features of Superconducting Bi2Sr2CaCu2O8+x system: a polarized Cu K-edge XAS study.

N. L. Saini, A. Lanzara, A. Bianconi, H. Oyanagi.

Phys. Rev. B  58,  11768 (1998)

 

Study of Cu-O and Cu-La pair correlations in superconducting La2CuO4.1 system by Cu K-edge EXAFS.

N.L. Saini, A. Lanzara, A. Bianconi, F. C. Chou, D. C. Johnston

J. Phys. Soc. Jpn. Vol. 67, No. 1, 16 (1998); link

 

Cross-over from Large to Small Polarons across the Metal-Insulator Transition in Manganites.

Lanzara, N. L. Saini, M. Brunelli, F. Natali, A. Bianconi, P.G. Radaelli, S.M. Cheong.

Phys. Rev. Lett. 81, 878 (1998)

 

Evidence for a second one-dimensional set of states shedding light on the normal phase of high- Tc superconductors

N. L. Saini, J. Avila, M. C. Asensio, S. Tajima, G. D. Gu, N. Koshizuka, A. Lanzara, A. Bianconi.

Phys. Rev. B- (Rapid Communications) 57, R11101 (1998)

 

Decrease of Itinerant Holes Near the Metal to Insulator Crossover in Superconducting La1.85Sr0.15CuO4

N.L. Saini, A. Lanzara, A. Bianconi, D. S-L. Law, A. Menovsky, K.B. Garg and H. Oyanagi.

J. Phys. Soc. Jpn. Vol. 67, No. 2, 393-396 (1998); link

 

Anomalous Structural Modulations in La2CuO4.1

Lanzara, N.L. Saini, A. Bianconi, F.C. Chou and D.C. Johnston.

Physica C 296, 7-12 (1998); link

 

The Fermi surface of a high-Tc superconductor at optimum doping by angle-scanning

photoemission spectroscopy

Bianconi, N.L. Saini, A. Valletta, A. Lanzara, J. Avila, M. C. Asensio, S. Tajima, G. D. Gu, K. Koshizuka.

J. Phys.Chem.Solids   59, 1884 (1998); link

 


1997

Topology of the Pseudogap and Shadow Bands in Bi2Sr2CaCu2O8+ at Optimum Doping

N. L. Saini, A. Bianconi, J. Avila, A. Lanzara, M. C. Asensio, S. Tajima, G. D. Gu, N. Koshizuka.

Phys. Rev. Lett. 79, 3467 (1997)

 

Local lattice instability and stripes in the CuO2 Plane of the La1.85Sr0.15CuO4 system by polarised XANES and EXAFS

N.L. Saini, A. Lanzara, H. Oyanagi, H. Yamaguchi.  K. Oka, T. Ito and A. Bianconi.

Phys. Rev. B 55,12759 (1997)

 

Temperature-dependent modulation amplitude of the CuO2 superconducting lattice in La2CuO4.1

Lanzara, N.L. Saini, A. Bianconi, J. L. Hazemann, Y. Soldo, F. C. Chou and D. C. Johnston.

Phys. Rev. B  55, 9120 (1997)

 

From Manganites to cuprates: A comparative study of the local lattice instability

Lanzara, N.L. Saini, M. Brunelli,F. Natali, A. Bianconi, P. Radaelli.

Z. Phys. B  104, 699-702  (1997); link
 

Structural instability around Tc observed in Hg-1201 by neutron powder diffraction and EXAFS

P. Bordet, F.Duc, P.G. Radaelli, A. Lanzara,  N.L. Saini, A. Bianconi and E.V. Antipov.

Physica C  282, 1081 (1997); link

 

Evidence for a striped phase of high Tc superconductor at the Fermi surface

N.L. Saini, J. Avila, M.C. Asensio, S. Tajima, G.D.Gu, N. Koshizuka, A. Valletta, A. Lanzara, A. Bianconi.

Z. Phys. B  104, 703 (1997); link

 


1996

The Gap Amplification at a shape resonance in a superlattice of quantum stripes: a mechanism for high Tc

Perali, A. Bianconi, A. Lanzara and N.L. Saini.

Solid State Comm. 100, 181  (1996); link

 

Stripe structure in the CuO2 plane of perovskite superconductors

Bianconi, N.L. Saini, T. Rossetti, A. Lanzara, A. Perali, M. Missori, H. Oyanagi, H. Yamaguchi, Y. Nishihara and D. H. Ha.

Phys. Rev. B  54, 12018 (1996)

 

Determination of the local lattice distortions in the CuO2 plane of La1.85Sr0.15CuO4

Bianconi, N.L. Saini, A. Lanzara, M. Missori, T. Rossetti, H. Oyanagi, H.Yamaguchi, K. Oka and T. Ito.

Phys. Rev. Lett.  76, 3412 (1996)
**Selected by the Science Watch- Cambridge University Press as the most Cited Paper in Physical Science in 1998

 

Temperature dependent CuO distribution function of the superconducting CuO2 plane.

N.L. Saini, A. Lanzara, A. Bianconi, H. Oyanagi, H. Yamaguchi, K. Oka and T. Ito

Physica C  268, 121-127 (1996)

 

Temperature Dependent Local Structure of the CuO2 Plane in the 1/8 Doped La1.875Ba0.125CuO4 System.

Lanzara, N.L. Saini, T. Rossetti, A. Bianconi, H. Oyanagi, H. Yamaguchi, and Y. Maeno.

Solid State Comm. 97, 93-96 (1996); link

 


Misc.

Local Lattice Instability of CuO2 Plane in La1.85Sr0.15CuO4 by Polarised Cu K edge absorption.

N.L. Saini, A. Lanzara, M. Missori, T. Rossetti, A. Bianconi, H. Oyanagi, H.  Yamaguchi, K. Oka and T. Ito.

Physica C  251,  383 (1995); link

 

Spatial cross-over of polarons across the CMR transition in La0.75Ca0.25MnO3 system

Lanzara, F. Natali, N. L. Saini, A. Bianconi, P. G. Radaelli

Synchrotron Radiation 6, 776, Part 3 (1999); link

 

Local structure and T-c suppression in Bi2Sr2Ca1-xYx(Cu1-yZny)(2)O8+x superconductor at 1/8 doping

N. L. Saini, A. Lanzara, A, F. Natali, A. Bianconi, M. Akoshima, Y. Koike, H. Oyanagi

Synchrotron Radiation 6, 752, Part 3 (1999); link
 

Tc amplification and pseudogap at a shape resonance in a superlattice of quantum stripes

Valletta, G. Bardelloni, M. Brunelli, A. Lanzara, A. Bianconi, N.L. Saini

J. Superconductivity 10, 383 (1997); link

 

The isotope effect in a superlattice of quantum stripes

Perali, A. Valletta, G. Bardelloni, A. Bianconi, A. Lanzara, N.L. Saini

J. Superconductivity 10, 355 (1997); link

 

Temperature dependent local instability of the Hg1212 structure by polarized EXAFS

N.L. Saini, M. Brunelli, A. Lanzara, M. Lusignoli, T. Rossetti, A. Bianconi, P. Bordet, F. Duc, J.L. Hazemann and J.   Karpinski.

Journal de Physique 7 C2-1245, (1997); link
 

Non-homogeneity of the CuO2 plane of the oxygen doped La2CuO4.1 system by polarized EXAFS

N.L. Saini, A. Lanzara, A. Bianconi, J.L. Hazemann, Y. Soldo, and D.C. Johnston.

Journal de Physique 7 C2-1089 (1997); link

 

Stripe structure and non-homogeneity of the CuO2 plane by joint EXAFS and diffraction.

Bianconi, N.L. Saini, A. Lanzara, M. Lusignoli, T. Rossetti.

J. Phys. IV France 7 C2-735, (1997); link
 

Anomalous Jahn-Teller distortions in La0.75Ca0.25MnO3 system: an X-ray absorption study

M. Brunelli, A. Lanzara, N.L. Saini, A. Bianconi, A. Valletta, P.G. Radaelli.

J. of Superconductivity, Vol. 10, 315 (1997); link
 

Evidence for onset of charge density wave in the La-based perovskite superconductors

Lanzara, N.L. Saini, M. Brunelli, A. Valletta and A. Bianconi.

J. of Superconductivity, Vol. 10, 319 (1997); link
 

Tuning of the Fermi level at the Second Subband of a Superlattice of Quantum Wires in the CuO2 plane: A possible  mechanism to Raise the Critical Temperature

N.L. Saini, T. Rossetti, A. Lanzara, M. Missori, A. Perali, H. Oyanagi and A. Bianconi.

J. of Superconductivity, Vol. 9 No 4, 343 (1996); link

 

 


Publications in Scientific Books

 

X-ray and Inner Shell Processes.

Eds. American Institute of Physics - Woodbury, New York (1997)  pp.585-600

Chapter Title: EXAFS and Diffraction Studies on High Tc Superconductors: Mesoscopic Stripes in the CuO2 plane

N. L. Saini, A. Lanzara and A. Bianconi.