De Haas-Van Alphen effect in platinum

Stafleu, M.D.; Vroomen, A.R. de

doi:10.1016/0031-9163(65)90716-x

Cited by 18 publications

(4 citation statements)

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“…metal coating through which Ohmic contact was made to the back of the sample. 3 The front surface of the sample was polished until the thickness of the NiO single crystal region was about 50 ju in order to minimize the size of the dc potential drop across it. The specimen was insulated with epoxy.…”

mentioning

confidence: 99%

“…These probably correspond to the strong reflectance peak at 4.0 eV and a small shoulder at 4.8 eV observed in recent absolute reflectivity measurements. 3 Therefore, the optical and photoconductivity data impose several boundary conditions which a model of NiO electronic structure must satisfy: (1) The absorption above 3.7 eV must produce free carriers, and (2) there must be at least three critical points in the density of states between 3.7 and 4.8 eV.…”

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confidence: 99%

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Electroreflectance Study of NiO

Mcnatt

1969

Phys. Rev. Lett.

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confidence: 99%

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confidence: 99%

Electroreflectance Study of NiO

Mcnatt

1969

Phys. Rev. Lett.

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“…However, it is larger than the value 0.4 obtained from a de Haas-van Alphen study of platinum. 28 We estimate a value of 0.37 for the number of holes from the corrected d-band shape by performing the graphical integration…”

Section: Concentration (At % Au )mentioning

confidence: 99%

Rigid band behavior of platinum-Vanadium alloys: Low-temperature specific heat

1975

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Measurements are reported of the specific heat of a number of PtV alloys. The results can be analyzed by using a simple rigid band model. The band shape of platinum is deduced and the number of holes in the platinum d band is estimated to be 0.35, which agrees very well with other determinations. Deviations from the simple rigid band behavior were observed for higher vanadium concentrations and are believed to be caused by interactions between impurity atoms. Using the critical concentration of 6 at %V for interactions to start, the interaction range is estimated.

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“…The small L-centred hole pockets however, are, not observed in Pt. One of the earliest de Haas-van Alphen (dHvA) measurements in Pt was made by Stafleu and de Vroomen [5] who in 1965 recorded the existence of small ellipsoids identified as regions of holes at X. Ketterson [15,161, and Smith and coworkers [17 to 211 have also contributed greatly towards this theoretical understanding.…”

Section: Introductionmentioning

confidence: 99%

Fermi Surface Properties of Platinum

Ahuja

Solanki

Auluck

1991

Physica Status Solidi (b)

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The extremal areas of the Fermi surface of paramagnetic f.c.c. transition metal platinum are calculated using the linear muffin tin orbital (LMTO) method in the atomic sphere approximation. To see the effect of exchange and corrclation potential on the Fermi surface, the calculations are done using various exchange and correlation potentials. The Slater X a exchange potential with LY = 0.815 gives the best agreement with experimental data. Inclusion of relativistic effects also show remarkable improvement over the non-relativistic calculations for platinum. The Fermi velocity of electrons at the Fermi surface and the mass enhancement factor arc also calculated using the Slater X a ( a = 0.815) exchange potential and are compared with the experimental data and recent theoretical calculations.Mit der linearen ,,Muffin-tin"-Orbitalmethode (LMTO) in..der Kugelatomnaherung werden die Extremalflachen der Fermifllche des paramagnetischen k. f. z.-Ubergangsmetalls Platin berechnet. Um den EinfluD von Austausch-und Korrelationspotential auf die Fermiflachc zu erkennen, werden die Berechnungen mit verschiedenen Austausch-und Korre!ationspotentialen durchgefiihrt. Das X aAustausch-SIBterpotential mit LY = 0,815 ergibt die beste Ubereinstimmung mit den experimentellen Werten. Die Einbeziehung relativistischer Effekte zeigt ebenfalls eine merkliche Verbesserung gegeniiber nichtrelativistischen Berechnungen fur Platin. Die Fermigeschwindigkeit der Elektronen an der Fermiflache und der Massenanhebungsfaktor werden ebenfalls mit dem Xa-Austausch-Slaterpotential (a = 0,815) berechnet und mit den experimentellen Werten und neueren thcoretischen Berechnungen verglichen.

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De Haas-Van Alphen effect in platinum

Cited by 18 publications

References 5 publications

Electroreflectance Study of NiO

Electroreflectance Study of NiO

Rigid band behavior of platinum-Vanadium alloys: Low-temperature specific heat

Fermi Surface Properties of Platinum

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