Pressure Driven Fermi surface reconstruction of chromium

D.E. Graf; D. VanGennep; E.C. Palm; J.H. Park; P. Schlottmann; R.L. Stillwell; S.W. Tozer; T.P. Murphy; W.A. Coniglio

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Pressure Driven Fermi surface reconstruction of chromium

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arxiv 1307.0019 v4 pith:AG3ITNG5 submitted 2013-06-28 cond-mat.mtrl-sci

Pressure Driven Fermi surface reconstruction of chromium

R.L. Stillwell , D.E. Graf , W.A. Coniglio , T.P. Murphy , E.C. Palm , J.H. Park , D. VanGennep , P. Schlottmann

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S.W. Tozer

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keywords highorbitschromiumfermifieldsmagneticpressurereconstruction

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We have observed a massive reconstruction of the Fermi surface of single crystal chromium as a function of high pressure and high magnetic fields caused by the spin-flip transition, with multiple new orbits appearing above 0.93 GPa. Additionally, some orbits have field-induced effective masses of ~0.06-0.07 me, seen only at high magnetic fields. Based on the temperature insensitivity displayed by the oscillation amplitudes at these frequencies, we attribute the orbits to quantum interference rather than to Landau quantization.

Pressure Driven Fermi surface reconstruction of chromium

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