The thickness of the potential well aξ (a ~ 1, see Methods) determines the bound quasiparticle mean free path as indicated by the double arrow. Here R is the radius of the wire crossbar. When the crossbar is moving, the local superflow velocity around it depends on the polar ...
The half-ball lens is placed on a tuning fork actuator of an AFM. A static magnetic field B0 is applied along the symmetry axis of the NV center. b Schematic experimental parameters. The electron spin and the half-ball lens are denoted as S and M, respectively. The radius of M is R...
What is the volume of the ball (in cm3)? Sphere and Circle: A sphere is a three-dimensional object; however, a circle is a two-dimensional object. Both the volume of the sphere and the area of a circle depends on their radius. So, t...
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Cu3(PO4)2/C was obtained by carbon coating the Cu3(PO4)2 via high energy ball milling. Used as cathode material vs Na/Na+, the Cu3(PO4)2/C exhibited a rechargeable specific capacity as high as 290 mA h g−1 at a current of 20 mA g−1, with capacity retention of 210 mA...
When direct current (DC) is used to fill conductive metals such as copper, the higher current density at the entrance corner of TSV makes it easy to form a sub-conformal shape. To prevent the formation of voids and seams in TSV, the phenomenon of high current density at the entrance of...
A square with side A and a circle with radius (R), where R = A/2, are drawn. Both shapes are filled with an immensely large number of dots, and then they are superimposed. The square surface is Esquare = A2 and the circle surface is Ecircle = πR2. Taking the ratio of the ...
Besides, no significant shift toward lower or higher angles was observed after substituting europium into the structure of the MZF, proving that the Eu3+ ions entered the spinel structure in octahedral sites. Note that Eu3+ ions with a larger radius of about 1.07 Å show a preference to ...
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member 24 rigidly into a ball encircling member 22, machining the ball supporting surface of the seating member to be concentric with the inner wall of the encircling member, forming the ball seat by impressing the ball or a die member thereinto and securing the ball in the encircling member....