High-field magnetoresistance of ordered beta brass

D. J. Sellmyer, J. Ahn, J. P. Jan

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

The magnetoresistance of several single-crystal specimens of ordered β-brass has been investigated in fields up to 150 kG. The purity of the samples is sufficiently high (ρ295ρ4.2A400) that the high-field condition is satisfied. The results indicate that ordered β-brass is an uncompensated metal and that its Fermi surface is multiply connected. Strong open orbits were observed when the field was in {110} or {100} planes, and this behavior is compatible with the Fermi-surface model predicted by augmented-plane-wave and Green's-function energy-band calculations. Evidence for the existence of higher-order open orbits and two-dimensional regions of open orbits is presented. There are certain aspects of the data which cannot be explained in terms of the theoretical model unless (a) one of the predicted open orbits is eliminated either by magnetic breakdown or by changing some of the model's dimensions, and (b) other open orbits due to magnetic breakdown are taken into account. Various possibilities for open orbits due to magnetic breakdown are considered and their implications are compared with the observed behavior.

Original languageEnglish (US)
Pages (from-to)618-629
Number of pages12
JournalPhysical Review
Volume161
Issue number3
DOIs
StatePublished - Dec 1 1967

Fingerprint

brasses
orbits
breakdown
Fermi surfaces
energy bands
purity
plane waves
Green's functions
wave functions
single crystals
metals

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

High-field magnetoresistance of ordered beta brass. / Sellmyer, D. J.; Ahn, J.; Jan, J. P.

In: Physical Review, Vol. 161, No. 3, 01.12.1967, p. 618-629.

Research output: Contribution to journalArticle

Sellmyer, D. J. ; Ahn, J. ; Jan, J. P. / High-field magnetoresistance of ordered beta brass. In: Physical Review. 1967 ; Vol. 161, No. 3. pp. 618-629.
@article{5e3f3e50ad594c8fb46dc0330046714d,
title = "High-field magnetoresistance of ordered beta brass",
abstract = "The magnetoresistance of several single-crystal specimens of ordered β-brass has been investigated in fields up to 150 kG. The purity of the samples is sufficiently high (ρ295ρ4.2A400) that the high-field condition is satisfied. The results indicate that ordered β-brass is an uncompensated metal and that its Fermi surface is multiply connected. Strong open orbits were observed when the field was in {110} or {100} planes, and this behavior is compatible with the Fermi-surface model predicted by augmented-plane-wave and Green's-function energy-band calculations. Evidence for the existence of higher-order open orbits and two-dimensional regions of open orbits is presented. There are certain aspects of the data which cannot be explained in terms of the theoretical model unless (a) one of the predicted open orbits is eliminated either by magnetic breakdown or by changing some of the model's dimensions, and (b) other open orbits due to magnetic breakdown are taken into account. Various possibilities for open orbits due to magnetic breakdown are considered and their implications are compared with the observed behavior.",
author = "Sellmyer, {D. J.} and J. Ahn and Jan, {J. P.}",
year = "1967",
month = "12",
day = "1",
doi = "10.1103/PhysRev.161.618",
language = "English (US)",
volume = "161",
pages = "618--629",
journal = "Physical Review",
issn = "0031-899X",
publisher = "American Institute of Physics Publising LLC",
number = "3",

}

TY - JOUR

T1 - High-field magnetoresistance of ordered beta brass

AU - Sellmyer, D. J.

AU - Ahn, J.

AU - Jan, J. P.

PY - 1967/12/1

Y1 - 1967/12/1

N2 - The magnetoresistance of several single-crystal specimens of ordered β-brass has been investigated in fields up to 150 kG. The purity of the samples is sufficiently high (ρ295ρ4.2A400) that the high-field condition is satisfied. The results indicate that ordered β-brass is an uncompensated metal and that its Fermi surface is multiply connected. Strong open orbits were observed when the field was in {110} or {100} planes, and this behavior is compatible with the Fermi-surface model predicted by augmented-plane-wave and Green's-function energy-band calculations. Evidence for the existence of higher-order open orbits and two-dimensional regions of open orbits is presented. There are certain aspects of the data which cannot be explained in terms of the theoretical model unless (a) one of the predicted open orbits is eliminated either by magnetic breakdown or by changing some of the model's dimensions, and (b) other open orbits due to magnetic breakdown are taken into account. Various possibilities for open orbits due to magnetic breakdown are considered and their implications are compared with the observed behavior.

AB - The magnetoresistance of several single-crystal specimens of ordered β-brass has been investigated in fields up to 150 kG. The purity of the samples is sufficiently high (ρ295ρ4.2A400) that the high-field condition is satisfied. The results indicate that ordered β-brass is an uncompensated metal and that its Fermi surface is multiply connected. Strong open orbits were observed when the field was in {110} or {100} planes, and this behavior is compatible with the Fermi-surface model predicted by augmented-plane-wave and Green's-function energy-band calculations. Evidence for the existence of higher-order open orbits and two-dimensional regions of open orbits is presented. There are certain aspects of the data which cannot be explained in terms of the theoretical model unless (a) one of the predicted open orbits is eliminated either by magnetic breakdown or by changing some of the model's dimensions, and (b) other open orbits due to magnetic breakdown are taken into account. Various possibilities for open orbits due to magnetic breakdown are considered and their implications are compared with the observed behavior.

UR - http://www.scopus.com/inward/record.url?scp=36049058932&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=36049058932&partnerID=8YFLogxK

U2 - 10.1103/PhysRev.161.618

DO - 10.1103/PhysRev.161.618

M3 - Article

AN - SCOPUS:36049058932

VL - 161

SP - 618

EP - 629

JO - Physical Review

JF - Physical Review

SN - 0031-899X

IS - 3

ER -