Page 118 - 《摩擦学学报》2021年第5期

第 5 期 钱宇, 等: 基于不同探针作用下石墨烯边界效应的摩擦调控 707

V V
(a) (b)

Tip
Puckered area Puckered area
Compressive
area Graphene

V SiO 2 /Si substrate V
(c) (d)

Puckered area
Puckered area

Fig. 8 Illustration of AFM tip (conical probe) sliding against the surface of single-layer graphene on SiO 2 /Si substrate: (a) Boundary
region between graphene and SiO2/Si substrate; (b) The region near the boundary position of graphene;
(c) The region near the central region of graphene; (d) The central region of graphene
图 8 锥形探针在硅基底上单层石墨烯表面滑动的示意图：(a)在石墨烯与硅基底的边界区域；(b) 靠近石墨烯与硅基底的
边界区域；(c)靠近石墨烯的中心区域；(d)石墨烯的中心区域

V V
(a) (b)

Puckered area Puckered
Tip area
Graphene

SiO 2 /Si substrate
(c) V (d) V

Puckered
Compressive Puckered area
area area

Fig. 9 Illustration of AFM tip (spherical probe) sliding against the surface of single-layer graphene on SiO 2 /Si substrate:
(a) Boundary region between graphene and SiO 2 /Si substrate; (b) The region near the boundary position of graphene;
(c) The region near the central region of graphene; (d) The central region of graphene
图 9 球形探针在硅基底上单层石墨烯表面滑动的示意图：(a)在石墨烯与硅基底的边界区域；(b) 靠近石墨烯与
硅基底的边界区域；(c)靠近石墨烯的中心区域；(d)石墨烯的中心区域