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Publications (30)

cond-mat1996

Comparison of Bond Character in Hydrocarbons and Fullerenes

D. W. Snoke, M. Cardona, S. Sanguinetti +1

We present a comparison of the bond polarizabilities for carbon-carbon bonds in hydrocarbons and fullerenes, using two different models for the fullerene Raman spectrum and the res…

cond-mat.str-el1999

Resonant Raman scattering in NaV2O5 as a probe of its electronic structure

M. J. Konstantinovic, Z. V. Popovic, T. Ruf +4

In order to investigate the origin of the phase transition observed in NaV $_{2}$ O $_{5}$ , as well as its electronic structure, we have measured Raman intensities as a function of the la…

cond-mat.mtrl-sci2010

Electronic and phononic properties of cinnabar: ab initio calculations and some experimental results

M. Cardona, R. K. Kremer, R. Lauck +4

We report ab initio calculations of the electronic band structure, the corresponding optical spectra, and the phonon dispersion relations of trigonal alpha-HgS (cinnabar). The calc…

hep-ex2026

Charged kaon and proton multiplicities in semi-inclusive deep-inelastic scattering with 11 GeV electrons

P. Bosted, W. Armstrong, H. Bhatt +67

Measurements of SIDIS multiplicities for charged kaons and protons from proton and deuteron targets are reported on a grid of hadron kinematic variables $0.3 < z < 0.7$ and $P_{t} < 0.6$ …

cond-mat.mtrl-sci2001

Electron-phonon renormalization of the absorption edge of the cuprous halides

J. Serrano, Ch. Schweitzer, C. T. Lin +3

Compared to most tetrahedral semiconductors, the temperature dependence of the absorption edges of the cuprous halides (CuCl, CuBr, CuI) is very small. CuCl and CuBr show a small i…

cond-mat.mtrl-sci2007

Temperature-dependent Raman scattering of natural and isotopically substituted PbS

P. G. Etchegoin, M. Cardona, R. Lauck +3

Lead sulfide is an important semiconductor that has found technological applications for over a century. Raman spectroscopy, a standard tool for the investigation and characterizat…

cond-mat.mtrl-sci2007

Effect of the spin-orbit interaction on the thermodynamic properties of crystals: The specific heat of bismuth

Diaz-Luis, A. H. Romero, M. Cardona +2

In recent years, there has been increasing interest in the specific heat $C$ of insulators and semiconductors because of the availability of samples with different isotopic masses…

cond-mat.mtrl-sci2008

Lattice Dynamics and Specific Heat of $I^\pm$ - GeTe: a theoretical and experimental study

R. Shaltaf, X. Gonze, M. Cardona +2

We extend recent \textit{ab initio} calculations of the electronic band structure and the phonon dispersion relations of rhombohedral GeTe to calculations of the density of phonon…

cond-mat.supr-con1999

The anomaly of the oxygen bond-bending mode at 320 cm $^{- 1}$ and the additional absorption peak in the c-axis infrared conductivity of underdoped YBa $_{2}$ Cu $_{3}$ O $_{7 - I^´}$ single crystals revisited by ellipsometricmeasurements

C. Bernhard, D. Munzar, A. Golnik +4

We have performed ellipsometric measurements of the far-infrared c-axis dielectric response of underdoped YBa $_{2}$ Cu $_{3}$ O $_{7 - I^´}$ single crystals. Here we report a detailed ana…

cond-mat.mtrl-sci2004

Heat Capacity of Isotopically Enriched 28Si, 29Si and 30Si

A. Gibin, G. G. Devyatykh, A. V. Gusev +3

The heat capacity of isotopically enriched 28Si, 29Si, 30Si samples has been measured in the temperature range between 4K and 100K. The heat capacity of Si increases with isotopic…

hep-ex2026

Flavor, transverse momentum, and azimuthal dependence of charged pion multiplicities in SIDIS with 10.6 GeV electrons

Hall C SIDIS Collaboration, P. Bosted, H. Bhatt +68

Measurements of SIDIS multiplicities for $I ¨ ^{+}$ and $I ¨ ^{-}$ from proton and deuteron targets are reported on a grid of hadron kinematic variables $z$ , $P_{T}$ , and $I ¨ ^{*}$ for lept…

cond-mat.mtrl-sci2005

Heat capacity of $I^\pm$ -GaN: Isotope Effects

R. K. Kremer, M. Cardona, E. Schmitt +7

Until recently, the heat capacity of GaN had only been measured for polycrystalline powder samples. Semiempirical as well as \textit{first-principles} calculations have appeared wi…

cond-mat.mtrl-sci2011

Vibrational and Thermal Properties of ZnX (X=Se, Te): Density Functional Theory (LDA and GGA) versus Experiment

R. K. Kremer, M. Cardona, R. Lauck +2

We calculated the phonon dispersion relations of ZnX (X=Se, Te) employing ab initio techniques. These relations have been used to evaluate the temperature dependence of the respect…

cond-mat.mtrl-sci2002

Anharmonic Self-Energy of Phonons: Ab Initio Calculations and Neutron Spin Echo Measurements

A. Debernardi, F. de Geuser, J. Kulda +2

We have calculated (ab initio) and measured (by spin-echo techniques) the anharmonic self-energy of phonons at the X-point of the Brillouin zone for isotopically pure germanium. Th…

cond-mat.mtrl-sci2009

Electronic, vibrational, and thermodynamic properties of ZnS (zincblende and rocksalt structure)

M. Cardona, R. K. Kremer, R. Lauck +4

We have measured the specific heat of zincblende ZnS for several isotopic compositions and over a broad temperature range (3 to 1100 K). We have compared these results with calcula…

cond-mat.mtrl-sci2007

Heat Capacity of PbS: Isotope Effects

M. Cardona, R. K. Kremer, R. Lauck +3

In recent years, the availability of highly pure stable isotopes has made possible the investigation of the dependence of the physical properties of crystals, in particular semicon…

cond-mat.mtrl-sci2002

Evangelos Anastassakis: Scientist, Colleague and Friend

M. Cardona

Proceedings contribution to Symposium in Memory of Prof. E. Anastassakis, Publ. Center of Technical University of Athens (2002). (contains no abstract).

cond-mat.supr-con2009

Electronic and phononic Raman scattering in detwinned YBa $_{2}$ Cu $_{3}$ O $_{6.95}$ and Y $_{0.85}$ Ca $_{0.15}$ Ba $_{2}$ Cu $_{3}$ O $_{6.95}$ : s-wave admixture to the $d_{x^{2} - y^{2}}$ -wave order parameter

M. Bakr, A. P. Schnyder, L. Klam +5

Inelastic light (Raman) scattering has been used to study electronic excitations and phonon anomalies in detwinned, slightly overdoped YBa $_{2}$ Cu $_{3}$ O $_{6.95}$ and moderately overdo…

cond-mat.mtrl-sci2008

Lattice Properties of PbX (X = S, Se, Te): Experimental Studies and ab initio Calculations Including Spin-Orbit Effects

A. H. Romero, M. Cardona, R. K. Kremer +4

During the past five years the low temperature heat capacity of simple semiconductors and insulators has received renewed attention. Of particular interest has been its dependence…

cond-mat.mtrl-sci2001

Dependence of the Excitation Energies of Boron in Diamond on Isotopic Mass

M. Cardona

Kim et al. have reported a dependence of the infrared excitation energies of boron acceptors in diamond on the isotopic mass of the carbon atoms. We show that this change can be qu…

cond-mat.mtrl-sci2011

Electronic and phononic properties of the chalcopyrite CuGaS2

A. H. Romero, M. Cardona, R. K. Kremer +5

The availability of ab initio electronic calculations and the concomitant techniques for deriving the corresponding lattice dynamics have been profusely used for calculating thermo…

cond-mat.supr-con1999

Anomalies of the infrared-active phonons in underdoped YBCO as an evidence for the intra-bilayer Josephson effect

D. Munzar, C. Bernhard, A. Golnik +2

The spectra of the far-infrared c-axis conductivity of underdoped YBCO crystals exhibit dramatic changes of some of the phonon peaks when going from the normal to the superconducti…

cond-mat.supr-con2000

Far-infrared c-axis conductivity of flux-grown Y $_{1 - x}$ Pr $_{x}$ Ba $_{2}$ Cu $_{3}$ O $_{7}$ single crystals studied by spectral ellipsometry

C. Bernhard, T. Holden, A. Golnik +2

The far-infrared c-axis conductivity of flux-grown Y $_{1 - x}$ Pr $_{x}$ Ba $_{2}$ Cu $_{3}$ O $_{7}$ single crystals with 0.2 $\leq$ x $\leq$ 0.5 has been studied by sepectral ellipsometry. W…

cond-mat1996

Magnetic-field-enhanced outgoing excitonic resonance in multi-phonon Raman scattering from polar semiconductors

I. G. Lang, A. V. Prokhorov, M. Cardona +3

A combined scattering mechanism involving the states of free electron-hole pairs (exciton continuum) and discrete excitons as intermediate states in the multi-phonon Raman scatteri…

cond-mat2003

Isotopic disorder in Ge single crystals probed with 73Ge NMR

S. V. Verkhovskii, A. Yu. Yakubovsky, B. Z. Malkin +4

NMR spectra of 73 Ge (nuclear spin I = 9/2) in germanium single crystals with different isotopic compositions have been measured at the frequency of 17.4 MHz at room temperature. D…

cond-mat2001

Disorder-induced phonon self-energy of semiconductors with binary isotopic composition

F. Widulle, J. Serrano, M. Cardona

Self-energy effects of Raman phonons in isotopically disordered semiconductors are deduced by perturbation theory and compared to experimental data. In contrast to the acoustic fre…

cond-mat.supr-con2001

In-plane polarized collective modes in detwinned YBa $_{2}$ Cu $_{3}$ O $_{6.95}$ observed by spectral ellipsometry

C. Bernhard, T. Holden, J. HumlÃÄek +8

The in-plane dielectric response of detwinned YBa $_{2}$ Cu $_{3}$ O $_{6.95}$ has been studied by far-infared ellipsometry. A surprisingly lare number of in-plane polarized modes are o…

cond-mat.mtrl-sci2004

Effect of isotopic mass on the photoluminescence spectra of beta zinc sulfide

F. J. Manjon, M. Mollar, B. Mari +4

Zinc sulfide is a wide bandgap semiconductor which crystallizes in either the wurtzite modification (a-ZnS), the zincblende modification (b-ZnS) or as one of several similar tetrah…

cond-mat.mtrl-sci2009

Electronic, vibrational and thermodynamic properties of beta-HgS (metacinnabar), HgSe and HgTe

M. Cardona, R. K. Kremer, R. Lauck +3

We report ab initio calculations of the electronic band structure and the phonon dispersion relations of the zincblende-type mercury chalcogenides (beta-HgS, HgSe, and HgTe). The l…

cond-mat.other2004

Long-lived optical phonons in ZnO studied with impulsive stimulated Raman scattering

C. Aku-Leh, J. Zhao, R. Merlin +2

The anharmonic properties of the low-frequency E2 phonon in ZnO were measured using impulsive stimulated Raman scattering. At 5 K, the frequency and lifetime are (2.9787 +/- 0.0002…

Publications (30)

Comparison of Bond Character in Hydrocarbons and Fullerenes

Resonant Raman scattering in NaV2O5 as a probe of its electronic structure

Electronic and phononic properties of cinnabar: ab initio calculations and some experimental results

Charged kaon and proton multiplicities in semi-inclusive deep-inelastic scattering with 11 GeV electrons

Electron-phonon renormalization of the absorption edge of the cuprous halides

Temperature-dependent Raman scattering of natural and isotopically substituted PbS

Effect of the spin-orbit interaction on the thermodynamic properties of crystals: The specific heat of bismuth

Lattice Dynamics and Specific Heat of I^± - GeTe: a theoretical and experimental study

The anomaly of the oxygen bond-bending mode at 320 cm−1 and the additional absorption peak in the c-axis infrared conductivity of underdoped YBa2​Cu3​O7−I^´​ single crystals revisited by ellipsometricmeasurements

Heat Capacity of Isotopically Enriched 28Si, 29Si and 30Si

Flavor, transverse momentum, and azimuthal dependence of charged pion multiplicities in SIDIS with 10.6 GeV electrons

Heat capacity of I^±-GaN: Isotope Effects

Vibrational and Thermal Properties of ZnX (X=Se, Te): Density Functional Theory (LDA and GGA) versus Experiment

Anharmonic Self-Energy of Phonons: Ab Initio Calculations and Neutron Spin Echo Measurements

Electronic, vibrational, and thermodynamic properties of ZnS (zincblende and rocksalt structure)

Heat Capacity of PbS: Isotope Effects

Evangelos Anastassakis: Scientist, Colleague and Friend

Electronic and phononic Raman scattering in detwinned YBa2​Cu3​O6.95​ and Y0.85​Ca0.15​Ba2​Cu3​O6.95​: s-wave admixture to the dx2−y2​-wave order parameter

Lattice Properties of PbX (X = S, Se, Te): Experimental Studies and ab initio Calculations Including Spin-Orbit Effects

Dependence of the Excitation Energies of Boron in Diamond on Isotopic Mass

Electronic and phononic properties of the chalcopyrite CuGaS2

Anomalies of the infrared-active phonons in underdoped YBCO as an evidence for the intra-bilayer Josephson effect

Far-infrared c-axis conductivity of flux-grown Y1−x​Prx​Ba2​Cu3​O7​ single crystals studied by spectral ellipsometry

Magnetic-field-enhanced outgoing excitonic resonance in multi-phonon Raman scattering from polar semiconductors

Isotopic disorder in Ge single crystals probed with 73Ge NMR

Disorder-induced phonon self-energy of semiconductors with binary isotopic composition

In-plane polarized collective modes in detwinned YBa2​Cu3​O6.95​ observed by spectral ellipsometry

Effect of isotopic mass on the photoluminescence spectra of beta zinc sulfide

Electronic, vibrational and thermodynamic properties of beta-HgS (metacinnabar), HgSe and HgTe

Long-lived optical phonons in ZnO studied with impulsive stimulated Raman scattering

Lattice Dynamics and Specific Heat of $I^\pm$ - GeTe: a theoretical and experimental study

The anomaly of the oxygen bond-bending mode at 320 cm $^{- 1}$ and the additional absorption peak in the c-axis infrared conductivity of underdoped YBa $_{2}$ Cu $_{3}$ O $_{7 - I^´}$ single crystals revisited by ellipsometricmeasurements

Heat capacity of $I^\pm$ -GaN: Isotope Effects

Electronic and phononic Raman scattering in detwinned YBa $_{2}$ Cu $_{3}$ O $_{6.95}$ and Y $_{0.85}$ Ca $_{0.15}$ Ba $_{2}$ Cu $_{3}$ O $_{6.95}$ : s-wave admixture to the $d_{x^{2} - y^{2}}$ -wave order parameter

Far-infrared c-axis conductivity of flux-grown Y $_{1 - x}$ Pr $_{x}$ Ba $_{2}$ Cu $_{3}$ O $_{7}$ single crystals studied by spectral ellipsometry

In-plane polarized collective modes in detwinned YBa $_{2}$ Cu $_{3}$ O $_{6.95}$ observed by spectral ellipsometry