• Publications
  • Influence
Mobility of the two-dimensional electron gas at selectively doped n -type AlxGa1-xAs/GaAs heterojunctions with controlled electron concentrations.
  • Hirakawa, Sakaki
  • Physics, Medicine
  • Physical review. B, Condensed matter
  • 15 June 1986
We describe our systematic study of the two-dimensional electron mobilities \ensuremath{\mu} of n-type ${\mathrm{Al}}_{\mathrm{x}}$${\mathrm{Ga}}_{1\mathrm{\ensuremath{-}}\mathrm{x}}$As/GaAsExpand
  • 239
  • 5
Intrinsic electron accumulation layers on reconstructed clean InAs(100) surfaces.
The electronic structures of clean InAs (100) surfaces have been investigated by in situ high-resolution electron-energy-loss spectroscopy. Intrinsic electron accumulation layers with carrierExpand
  • 206
  • 1
Spin dynamics and the Haldane gap in the spin-1 quasi-one-dimensional antiferromagnet CsNiCl3.
  • 89
  • 1
Prediction of Hydrophobic Cores of Proteins Using Wavelet Analysis.
  • Hirakawa, Kuhara
  • Chemistry, Medicine
  • Genome informatics. Workshop on Genome…
  • 1997
Information concerning the secondary structures, flexibility, epitope and hydrophobic regions of amino acid sequences can be extracted by assigning physicochemical indices to each amino acid residue,Expand
  • 14
  • 1
  • PDF
Diagnostic accuracy of a new non‐invasive enzyme immunoassay for detecting Helicobacter pylori in stools after eradication therapy
Helicobacter pylori eradication therapy has been commonly performed for patients with peptic ulcer. An inexpensive, reliable, non‐invasive test would be useful for evaluation of the effectiveness ofExpand
  • 47
Experimental evidence for the Haldane gap in a spin-1 nearly isotropic, antiferromagnetic chain.
Mise en evidence, par diffusion de neutrons, de l'apparition a frequence finie des excitations les plus basses dans l'antiferromagnetique a spin 1 CsNiCl 3 , dans sa phase a une dimension. Bon accordExpand
  • 189
Efficacy of sucralfate for Helicobacter pylori eradication triple therapy in comparison with a lansoprazole‐based regimen
Sucralfate has an inhibitory action against Helicobacter pylori and enhances the anti‐H. pylori activity of antimicrobials.
  • 20
Anomalous cyclotron-resonance line splitting of two-dimensional holes in (311)A AlxGa1-xAs/GaAs heterojunctions.
We have studied the far-infrared cyclotron resonance (CR) of high-mobility two-dimensional holes in Al x Ga 1-x As/GaAs single interface heterofunctions grown on (311) A GaAs substrates. An anomalousExpand
  • 18
Haldane-gap modes in the S=1 antiferromagnetic chain compound CsNiCl3.
Determination de la bande interdite de Haldane des chaines de CsNiCl 3 a spin de Ni 2+ entier couple de facon antiferromagnetique, par diffusion de neutrons. Cette bande correspond a une excitationExpand
  • 37