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Physical constant related to Van der Waals interactions
In molecular physics, the Hamaker constant (denoted A; named for H. C. Hamaker) is a physical constant that can be defined for a van der Waals (vdW) body–body
Hamaker_constant
Topics referred to by the same term
Hamaker may refer to: Hendrik Arent Hamaker, Dutch orientalist Hugo Christiaan Hamaker, Dutch scientist responsible for Hamaker theory Hamaker constant
Hamaker
presented here. The Lifshitz theory can be expressed as an effective Hamaker constant in the van der Waals theory. Consider, for example, the interaction
Lifshitz theory of van der Waals force
Lifshitz_theory_of_van_der_Waals_force
Dutch physicist (1905–1993)
Hugo Christiaan Hamaker (23 March 1905 – 7 September 1993), or Huug Hamaker, was a Dutch physical chemist and applied statistician. He was responsible
Hugo_Christiaan_Hamaker
Hairy feature allowing suction
{A_{\text{H}}}{12\pi D^{3}}}} where F is the force of interaction, AH is the Hamaker constant, and D is the distance between the two surfaces. Gecko setae are much
Gecko_feet
Cohesive force between species
is frequently described in terms of a single parameter called the Hamaker constant, typically symbolized A {\displaystyle A} . For atoms that are located
London_dispersion_force
Topics referred to by the same term
the Van der Waals equation Hamaker constant (A) Helmholtz free energy (A) Pre-exponential factor (A) Richardson's constant (A) Thermal diffusivity (a)
A_(disambiguation)
Material in which viscosity increases with the rate of shear strain
colloids, −H, Hamaker constant between colloid and solvent, h, distance between colloids, C, surface ion concentration, kB, Boltzmann constant, T, temperature
Dilatant
Force resulting from the quantisation of a field
force law of the London dispersion force (with a coefficient called a Hamaker constant) for small a, with a more complicated dependence on a for intermediate
Casimir_effect
Dutch-American psychologist, and statistician
Science. Hamaker is the granddaughter of Dutch scientist Hugo Christiaan Hamaker, noted for his contributions to physics (the Hamaker constant) and statistics
Ellen_Hamaker
Glass consisting of pure silica
kV/cm at 20 °C Magnetic susceptibility: −11.28 × 10−6 (SI, 22 °C) Hamaker constant: A = 6.5 × 10−20 J. Surface tension: 0.300 N/m at 1800–2400 °C Index
Fused_quartz
Molecular property
is the separation distance, and A is a material-specific constant called the Hamaker constant. The effect is also apparent in experiments where a polydimethylsiloxane
Adhesion
Theoretical model for aggregation and stability of aqueous dispersions
{\displaystyle \rho _{2}} is the number density of the sphere. For convenience, Hamaker constant A is given as A = π 2 C ρ 1 ρ 2 , {\displaystyle A=\pi ^{2}C\rho _{1}\rho
DLVO_theory
Difference between the confining and bulk pressures of a phase of matter
{\displaystyle \Pi _{d}=-{\frac {A_{H}}{6\pi \delta _{0}^{3}}}} where: AH - Hamaker constant (J) δ0 - liquid film thickness (m) For a solid-liquid-vapor system
Disjoining_pressure
Physical phenomenon
nanoparticles in a self-assembling system allows the term to be applicable. Hamaker constants for nanoparticles are calculated using Lifshitz theory, and can often
Self-assembly of nanoparticles
Self-assembly_of_nanoparticles
Concept on molecular modeling
interactions. Measurements of attractive forces between different materials (Hamaker constant) have been explained by Jacob Israelachvili. For example, "the interaction
Force_field_(chemistry)
Computer simulations to discover and understand chemical properties
direct measurement of attraction forces between different materials (as Hamaker constant) shows that "the interaction between hydrocarbons across water is about
Molecular_dynamics
analytical expressions were proposed for the determination of the Hamaker constant and the magnetic parameters of a ferromagnetic sample. Bimodal AFM
Bimodal atomic force microscopy
Bimodal_atomic_force_microscopy
Chemical preparation for silica particles
{R^{2}-(a_{1}+a_{2})^{2}}{R^{2}-(a_{1}-a_{2})^{2}}}\right]} where AH is the Hamaker constant, R is the distance between the centers of the two particles and a1
Stöber_process
z^{2}}-{2 \over (z+D)^{2}}+{1 \over (z+2D)^{2}}\right)} where H is the Hamaker constant and D and z are the bilayers thickness and the distance of separation
Interbilayer forces in membrane fusion
Interbilayer_forces_in_membrane_fusion
(2R_{P}+h)^{2}}]} Where A H {\displaystyle A_{H}} is the effective Hamaker constant The colloidal stability of the quantum dots can differ with changing
DNA-functionalized quantum dots
DNA-functionalized_quantum_dots
Interactions between groups of atoms that do not arise from chemical bonds
citation needed] as the starting point) by: where A is the Hamaker coefficient, which is a constant (~10−19 − 10−20 J) that depends on the material properties
Van_der_Waals_force
{Aa_{p}}{6h}}{\bigg [}1+{\frac {14h}{\lambda }}{\bigg ]}^{-1}} With A is Hamaker constant for bacteria-water-surface collector (quartz) = 6.5 × 10−21 J and λ
Bacterial adhesion in aquatic system
Bacterial_adhesion_in_aquatic_system
Comic book series by Jeff Smith
Eisner Award for Best Coloring: Steve Hamaker, Bone: The Great Cow Race 2008 Eisner Award for Best Coloring: Steve Hamaker, Bone (vols. 5 and 6) and Shazam:
Bone_(comics)
Conservation and rehabilitation approach to food and farming systems
dioxide, investment money, and population: selected papers of John D. Hamaker. Hamaker-Weaver Publishers. OCLC 950891698. Whatley, Booker T. How to Make $100
Regenerative_agriculture
Dutch karateka, mixed martial artist and professional wrestler
He instead arranged for his training partners Remco Pardoel and Freek Hamaker to take his place, with him as a cornerman. Two years after his UFC stint
Gerard_Gordeau
Force of attraction or repulsion between molecules and neighboring particles
relevant for interactions between macroscopic bodies in condensed systems. Hamaker developed the theory of van der Waals between macroscopic bodies in 1937
Intermolecular_force
25–33, doi:10.1090/conm/342/06128, ISBN 978-0-8218-3484-8, MR 2065250 Hamaker, William; Stein, Sherman (1984), "Combinatorial packing of R 3 {\displaystyle
Tripod_packing
2013 graphic novel
their world, the Silencians use a tool known as the Hypnofeed, which constantly feeds them with visual and (ostensibly) audio stimulation. Major Minus
Mylo_Xyloto_(comics)
Political party in the Netherlands
party is de facto represented in the Senate by the independent Visseren-Hamakers Group. The group using the name "Party for the Animals" (consisting of
Party_for_the_Animals
N/Ma) Ian Halperin (born 1964, Canada, J); Hollywood Undercover John D. Hamaker (1914–1994, US, N/Nh) Clive Hamilton (born 1953, Australia, Nh); Requiem
List_of_non-fiction_writers
Breakdown of organic matter to simple chemicals by living organisms
up for remineralisation. Biological pump Decomposition f-ratio John D. Hamaker (soil remineralisation) Mineralization (biology) Mineralization (soil science)
Remineralisation
Industrial processes using an electric field
As a simplification, under low voltages and short deposition times, Hamaker's law describes a linear relationship between the field strength, deposited
Electrophoretic_deposition
Junior drum and bugle corps based in Rockford, Illinois
Corps Location Rockford, Illinois Division World Class Founded 1956 Director Dwight Emmert CEO Amanda Hamaker Championship titles DCI: 1996 (tie) 2008
Phantom Regiment Drum and Bugle Corps
Phantom_Regiment_Drum_and_Bugle_Corps
"Hendrik Arent Hamaker", KNAW Historisch Ledenbestand (Digitaal Wetenschapshistorisch Centrum). Retrieved 3 May 2020. "H.J. Hamaker", KNAW Historisch
Members of the Royal Netherlands Academy of Arts and Sciences (H)
Members_of_the_Royal_Netherlands_Academy_of_Arts_and_Sciences_(H)
Form of causal modeling that fit networks of constructs to data
Tay, Louis; Voelkle, Manuel C.; Preacher, Kristopher J.; Zhang, Zhen; Hamaker, Ellen L.; Shamsollahi, Ali; Pierides, Dean C.; Koval, Peter; Diener, Ed
Structural_equation_modeling
Video game webcomic
of the Coast as a marketing partnership to run Table Titans, and Steve Hamaker was brought on to color some of the comics. Season 4 of Table Titans was
PvP_(webcomic)
Emulsion
phases repel each other enough to offset the attractive forces of the Hamaker Force Interactions. This creates a potential energy well at some distance
Macroemulsion
DNA sampled from the environment rather than directly from an individual organism
Richard; Rödel, Mark-Oliver; Rodgers, Torrey W.; Snape, Stewart; Visseren-Hamakers, Ingrid; Vogler, Alfried P.; White, Piran C. L.; et al. (2017). "Connecting
Environmental_DNA
Dutch politician (1763–1840)
(Eastern Languages and Hebrew Antiquities). Indeed, the name of Hendrik Arent Hamaker has emerged as a contemporary and close colleague of Van der Palm's during
Johannes Hendricus van der Palm
Johannes_Hendricus_van_der_Palm
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