photo (IMAGE)
Caption
a. Schematic diagram of the conical excitations of Dirac spinons and the conical continuum spectrum formed by two spinons.
b. Schematic diagram of the conical spin excitations in YCu3(OH)6Br2[Br0.33(OD)0.67].
c. Relationship between the half-width at half-maximum and energy. The solid line represents a linear fit.
d. A magnified image of some co-aligned crystals, and the front view of co-aligned samples on two Cu plates.
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The University of Hong Kong
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