Water Adsorption on r-Fe2O3(0001) at near Ambient Conditions

نویسندگان

  • Susumu Yamamoto
  • Tom Kendelewicz
  • John T. Newberg
  • Guido Ketteler
  • David E. Starr
  • Erin R. Mysak
  • Klas J. Andersson
  • Hirohito Ogasawara
  • Hendrik Bluhm
  • Miquel Salmeron
  • Gordon E. Brown
  • Anders Nilsson
چکیده

Stanford Synchrotron Radiation Lightsource, 2575 Sand Hill Road, Menlo Park, California 94025, Surface and Aqueous Geochemistry Group, Department of Geological and EnVironmental Sciences, Stanford UniVersity, Stanford, California 94305-2115, Chemical Sciences DiVision, Lawrence Berkeley National Laboratory, Berkeley, California 94720, Materials Sciences DiVision, Lawrence Berkeley National Laboratory, Berkeley, California 94720, FYSIKUM, Stockholm UniVersity, AlbaNoVa UniVersity Center, SE-10691 Stockholm, Sweden, Department of Materials Science and Engineering, UniVersity of CaliforniasBerkeley, Berkeley, California 94720, and Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Water adsorption and O-defect formation on Fe2O3(0001) surfaces.

The stability and reactivity of the hematite, Fe2O3(0001) surface are studied by density functional theory including an on-site Coulomb term (DFT+U). Even under oxygen rich conditions, the metal-terminated surface is shown to be stable. On this surface termination, the isolated water molecule forms a heterolytically dissociated structure with the OH- group attached to a surface Fe3+ ion and the...

متن کامل

Electronic and chemical structure of the H2O/GaN(0001) interface under ambient conditions

We employed ambient pressure X-ray photoelectron spectroscopy to investigate the electronic and chemical properties of the H2O/GaN(0001) interface under elevated pressures and/or temperatures. A pristine GaN(0001) surface exhibited upward band bending, which was partially flattened when exposed to H2O at room temperature. However, the GaN surface work function was slightly reduced due to the ad...

متن کامل

Green Removal of Toxic Pb(II) from Water by a Novel and Recyclable Ag/γ-Fe2O3@r-GO Nanocomposite

Toxic leadions removed efficiently from water by a newly fabricated, magnetically recyclable, antibacterial nano-Ag/γ-Fe2O3@GOadsorbent, at ambient and teh physiological pH=7. Teh adsorption depends on teh adsorbent dosage, initial Pb(II)concentration, pH and teh contact time. Teh optimum removal efficiency of teh leadion is found to be 93.1%...

متن کامل

Nanostructured Fe2O3/Al2O3 Adsorbent for removal of As (V) from water

The presence of arsenate in drinking water causes adverse health effects including skin lesions, diabetes, cancer, damage to the nervous system, and cardiovascular diseases. Therefore, the removal of As (V) from water is necessary. In this work, nanostructured adsorbent Fe2O3/Al2O3 was synthesized via the sol-gel method and applied to remove arsenate from polluted waters. First, the Fe2O3 load ...

متن کامل

Synthesis and Characterization of α-Fe2O3 Nanoparticles by Microwave Method

α-Fe2O3 (hematite) is the most stable iron oxide under ambient conditions. This transition metal oxide has been extensively investigated because it has unique electrical and catalytic properties. In this report, a novel microwave method for preparation of α-Fe2O3 nanoparticles has been developed. The process contained two steps: first, precursor were obtained from a mixed solution of 50 ml of 0...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2009