impurity incorporation
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Impurity incorporation and diffusion from regrowth interfaces in N-polar GaN photocathodes and the impact on quantum efficiency

2021 ◽  
Vol 129 (19) ◽  
pp. 195701
Author(s):  
Emma Rocco ◽  
Isra Mahaboob ◽  
Kasey Hogan ◽  
Vincent Meyers ◽  
Benjamin McEwen ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
Impurity Incorporation ◽  
The Impact ◽  
And Diffusion

Probing unintentional Fe impurity incorporation in MOCVD homoepitaxy GaN: Toward GaN vertical power devices

2020 ◽  
Vol 127 (21) ◽  
pp. 215707 ◽  
Author(s):  
Yuxuan Zhang ◽  
Zhaoying Chen ◽  
Wenbo Li ◽  
Hyunsoo Lee ◽  
Md Rezaul Karim ◽  
...  
Keyword(s):  
Impurity Incorporation ◽  
Power Devices ◽  
Fe Impurity

Highly Purified Glucose Isomerase Crystals Under Microgravity Conditions Grow as Fast as Those on the Ground Do

2020 ◽  
Author(s):  
Yoshihisa Suzuki
Keyword(s):  
Growth Rates ◽  
Glucose Isomerase ◽  
Spiral Growth ◽  
Protein Crystals ◽  
In Situ Observation ◽  
Lateral Growth ◽  
Impurity Incorporation ◽  
Microgravity Conditions

<p>Suppression of convection flows (solute transportation) and that of impurity incorporation into crystals seem to be the main reasons why the quality of protein crystals becomes better under microgravity conditions, whereas each precise mechanism has not been completely clarified yet. We tried to clarify the former reason by the in-situ observation of spiral growth hillocks on the {110} faces of highly purified glucose isomerase (GI) crystals under microgravity conditions and on the ground. Lateral growth rates <i>V</i><sub>lateral</sub> of a spiral hillock on the {110} face of a glucose isomerase crystal in situ under microgravity conditions and step velocities <i>V</i><sub>step</sub> of the same configuration on the ground took similar values as far as the maximum values are compared each other. This similarity indicates there are less influences of the convection flows on the growth rates of protein crystals contrary to conventional expectations.</p>

Highly Purified Glucose Isomerase Crystals Under Microgravity Conditions Grow as Fast as Those on the Ground Do

2020 ◽  
Author(s):  
Yoshihisa Suzuki
Keyword(s):  
Growth Rates ◽  
Glucose Isomerase ◽  
Spiral Growth ◽  
Protein Crystals ◽  
In Situ Observation ◽  
Lateral Growth ◽  
Impurity Incorporation ◽  
Microgravity Conditions

<p>Suppression of convection flows (solute transportation) and that of impurity incorporation into crystals seem to be the main reasons why the quality of protein crystals becomes better under microgravity conditions, whereas each precise mechanism has not been completely clarified yet. We tried to clarify the former reason by the in-situ observation of spiral growth hillocks on the {110} faces of highly purified glucose isomerase (GI) crystals under microgravity conditions and on the ground. Lateral growth rates <i>V</i><sub>lateral</sub> of a spiral hillock on the {110} face of a glucose isomerase crystal in situ under microgravity conditions and step velocities <i>V</i><sub>step</sub> of the same configuration on the ground took similar values as far as the maximum values are compared each other. This similarity indicates there are less influences of the convection flows on the growth rates of protein crystals contrary to conventional expectations.</p>

scholarly journals Ca Isotope and Trace Element Evidence for Non-Monomer Impurity Incorporation during Calcite Growth

2020 ◽  
Author(s):  
Jennifer V. Mills ◽  
Holly A. Barnhart ◽  
Donald J. DePaolo ◽  
Laura N. Lammers
Keyword(s):  
Trace Element ◽  
Impurity Incorporation

Electrolyte Additive Chemistry and Feature Size-Dependent Impurity Incorporation for Cu Interconnects

2019 ◽  
Vol 41 (43) ◽  
pp. 23-33 ◽  
Author(s):  
James Kelly ◽  
Takeshi Nogami ◽  
O. Van der Straten ◽  
James Demarest ◽  
Juntao Li ◽  
...  
Keyword(s):  
Impurity Incorporation ◽  
Feature Size ◽  
Electrolyte Additive ◽  
Cu Interconnects ◽  
Size Dependent
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