Browsing ELibrary by Author "Nagy K.L."

Now showing items 1-6 of 6

AB INITIO DETERMINATION OF EDGE SURFACE STRUCTURES FOR DIOCTAHEDRAL 2:1 PHYLI-OSILICATES: IMPLICATIONS FOR ACID-BASE REACTIVITY

Bickmore B.R.; Rosso K.M.; Nagy K.L.; Cygan R.T.; Tadanier C.J. (2003)

The atomic structure of dioctahedral 2:1 phyllosilicate edge surfaces was calculated using pseudopotential planewave density functional theory. Bulk structures of pyrophyllite and ferripyrophyllite were optimized using ...
ATOMIC-SCALE STRUCTURE OF THE ORTHOCLASE (001)-WATER INTERFACE MEASURED WITH HIGH-RESOLUTION X-RAY REFLECTIVITY

Fenter P.; Teng H.; Geissbuhler P.; Hanchar J.M.; Nagy K.L.; Sturchio N.C. (2000)

In situ X-ray specular reflectivity and atomic force microscopy were used to determine the structure of the orthoclase (001) cleavage surface in contact with deionized water at 25°C. These are the first in situ measurements ...
GIBBSITE GROWTH KINETICS ON GIBBSITE, KAOLINITE, AND MUSCOVITE SUBSTRATES: ATOMIC FORCE MICROSCOPY EVIDENCE FOR EPITAXY AND AN ASSESSMENT OF REACTIVE SURFACE AREA - I. THE SOLUBILITY OF GIBBSITE IN THE SYSTEM NA-K-CL-OH-AL(OH)

Nagy K.L.; Cygan R.T.; Hanchar J.M.; Sturchio N.C. (1999)

New experimental data for gibbsite growth on powdered kaolinite and single crystal muscovite and published data for gibbsite growth on gibbsite powders at 80°C in pH3 solutions show that all growth rates obey the same ...
SIMULTANEOUS PRECIPITATION KINETICS OF KAOLINITE AND GIBBSITE AT 80°C AND PH 3

Nagy K.L.; Lasaga A.C. (1993)

Precipitation rates of kaolinite and gibbsite were measured in stirred-flow reactors with a mixed seed substrate of kaolinite plus gibbsite at 80°C and pH 3. Input solutions were supersaturated simultaneously to different ...
STRUCTURES OF QUARTZ (100)- AND (101)-WATER INTERFACES DETERMINED BY X-RAY REFLECTIVITY AND ATOMIC FORCE MICROSCOPY OF NATURAL GROWTH SURFACES

Schlegel M.L.; Nagy K.L.; Fenter P.; Sturchio N.C. (2002)

The structures of prismatic (100) and pyramidal (101) growth faces of natural quartz crystals, and their modification upon annealing at T =< 400°C were investigated ex situ by atomic force microscopy (AFM) and in water by ...
THE EFFECT OF AL(OH)4- ON THE DISSOLUTION RATE OF QUARTZ

Bickmore B.R.; Nagy K.L.; Gray A.K.; Brinkerhoff A.R. (2006)

The influence of Al(OH)4- on the dissolution rate of quartz at pH 10-13 and 59-89 °C was determined using batch experiments. Al(OH)4- at concentrations below gibbsite solubility depressed the dissolution rate by as much ...

Browsing ELibrary by Author "Nagy K.L."

Browsing ELibrary by Author "Nagy K.L."

Search DSpace

Browse

All of DSpace

This Collection

My Account